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Posted to common-commits@hadoop.apache.org by ae...@apache.org on 2018/09/02 18:53:11 UTC
[1/2] hadoop git commit: HDDS-357. Use DBStore and TableStore for
OzoneManager non-background service. Contributed by Nandakumar.
Repository: hadoop
Updated Branches:
refs/heads/trunk eed8415dc -> ff036e49f
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OmMetadataManagerImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OmMetadataManagerImpl.java b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OmMetadataManagerImpl.java
index 21d2411..151fddf 100644
--- a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OmMetadataManagerImpl.java
+++ b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OmMetadataManagerImpl.java
@@ -19,77 +19,178 @@ package org.apache.hadoop.ozone.om;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Strings;
import com.google.common.collect.Lists;
-import org.apache.commons.lang3.tuple.ImmutablePair;
-import org.apache.hadoop.hdfs.DFSUtil;
+import org.apache.commons.lang3.StringUtils;
import org.apache.hadoop.hdds.client.BlockID;
-import org.apache.hadoop.ozone.om.helpers.OmKeyInfo;
-import org.apache.hadoop.ozone.om.helpers.OmBucketInfo;
-import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfoGroup;
-import org.apache.hadoop.ozone.om.helpers.OmVolumeArgs;
-import org.apache.hadoop.ozone.common.BlockGroup;
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
+import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.ozone.OzoneConsts;
+import org.apache.hadoop.ozone.common.BlockGroup;
import org.apache.hadoop.ozone.om.exceptions.OMException;
import org.apache.hadoop.ozone.om.exceptions.OMException.ResultCodes;
+import org.apache.hadoop.ozone.om.helpers.OmBucketInfo;
+import org.apache.hadoop.ozone.om.helpers.OmKeyInfo;
+import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfoGroup;
+import org.apache.hadoop.ozone.om.helpers.OmVolumeArgs;
import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.BucketInfo;
import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.KeyInfo;
import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.VolumeInfo;
import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.VolumeList;
-
import org.apache.hadoop.util.Time;
-import org.apache.hadoop.utils.BatchOperation;
-import org.apache.hadoop.utils.MetadataKeyFilters;
-import org.apache.hadoop.utils.MetadataKeyFilters.KeyPrefixFilter;
-import org.apache.hadoop.utils.MetadataKeyFilters.MetadataKeyFilter;
-import org.apache.hadoop.utils.MetadataStore;
-import org.apache.hadoop.utils.MetadataStoreBuilder;
+import org.apache.hadoop.utils.db.DBStore;
+import org.apache.hadoop.utils.db.DBStoreBuilder;
+import org.apache.hadoop.utils.db.Table;
+import org.apache.hadoop.utils.db.TableIterator;
+import org.eclipse.jetty.util.StringUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.Arrays;
import java.util.Collections;
import java.util.List;
-import java.util.ArrayList;
import java.util.Map;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import java.util.stream.Collectors;
+import static org.apache.hadoop.hdds.server.ServerUtils.getOzoneMetaDirPath;
import static org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_OPEN_KEY_EXPIRE_THRESHOLD_SECONDS;
import static org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_OPEN_KEY_EXPIRE_THRESHOLD_SECONDS_DEFAULT;
-import static org.apache.hadoop.ozone.OzoneConsts.DELETING_KEY_PREFIX;
import static org.apache.hadoop.ozone.OzoneConsts.OM_DB_NAME;
-import static org.apache.hadoop.ozone.OzoneConsts.OPEN_KEY_ID_DELIMINATOR;
-import static org.apache.hadoop.ozone.OzoneConsts.OPEN_KEY_PREFIX;
-import static org.apache.hadoop.ozone.om.OMConfigKeys
- .OZONE_OM_DB_CACHE_SIZE_DEFAULT;
-import static org.apache.hadoop.ozone.om.OMConfigKeys
- .OZONE_OM_DB_CACHE_SIZE_MB;
-import static org.apache.hadoop.hdds.server.ServerUtils.getOzoneMetaDirPath;
+import static org.apache.hadoop.ozone.OzoneConsts.OM_KEY_PREFIX;
/**
* Ozone metadata manager interface.
*/
public class OmMetadataManagerImpl implements OMMetadataManager {
+ private static final Logger LOG =
+ LoggerFactory.getLogger(OmMetadataManagerImpl.class);
+
+ /**
+ * OM RocksDB Structure .
+ * <p>
+ * OM DB stores metadata as KV pairs in different column families.
+ * <p>
+ * OM DB Schema:
+ * |-------------------------------------------------------------------|
+ * | Column Family | VALUE |
+ * |-------------------------------------------------------------------|
+ * | userTable | user->VolumeList |
+ * |-------------------------------------------------------------------|
+ * | volumeTable | /volume->VolumeInfo |
+ * |-------------------------------------------------------------------|
+ * | bucketTable | /volume/bucket-> BucketInfo |
+ * |-------------------------------------------------------------------|
+ * | keyTable | /volumeName/bucketName/keyName->KeyInfo |
+ * |-------------------------------------------------------------------|
+ * | deletedTable | /volumeName/bucketName/keyName->KeyInfo |
+ * |-------------------------------------------------------------------|
+ * | openKey | /volumeName/bucketName/keyName/id->KeyInfo |
+ * |-------------------------------------------------------------------|
+ */
+
+ private static final String USER_TABLE = "userTable";
+ private static final String VOLUME_TABLE = "volumeTable";
+ private static final String BUCKET_TABLE = "bucketTable";
+ private static final String KEY_TABLE = "keyTable";
+ private static final String DELETED_TABLE = "deletedTable";
+ private static final String OPEN_KEY_TABLE = "openKeyTable";
- private final MetadataStore store;
+ private final DBStore store;
+
+ // TODO: Make this lock move into Table instead of *ONE* lock for the whole
+ // DB.
private final ReadWriteLock lock;
private final long openKeyExpireThresholdMS;
+ private final Table userTable;
+ private final Table volumeTable;
+ private final Table bucketTable;
+ private final Table keyTable;
+ private final Table deletedTable;
+ private final Table openKeyTable;
+
public OmMetadataManagerImpl(OzoneConfiguration conf) throws IOException {
File metaDir = getOzoneMetaDirPath(conf);
- final int cacheSize = conf.getInt(OZONE_OM_DB_CACHE_SIZE_MB,
- OZONE_OM_DB_CACHE_SIZE_DEFAULT);
- File omDBFile = new File(metaDir.getPath(), OM_DB_NAME);
- this.store = MetadataStoreBuilder.newBuilder()
- .setConf(conf)
- .setDbFile(omDBFile)
- .setCacheSize(cacheSize * OzoneConsts.MB)
- .build();
this.lock = new ReentrantReadWriteLock();
this.openKeyExpireThresholdMS = 1000 * conf.getInt(
OZONE_OPEN_KEY_EXPIRE_THRESHOLD_SECONDS,
OZONE_OPEN_KEY_EXPIRE_THRESHOLD_SECONDS_DEFAULT);
+
+ this.store = DBStoreBuilder.newBuilder(conf)
+ .setName(OM_DB_NAME)
+ .setPath(Paths.get(metaDir.getPath()))
+ .addTable(USER_TABLE)
+ .addTable(VOLUME_TABLE)
+ .addTable(BUCKET_TABLE)
+ .addTable(KEY_TABLE)
+ .addTable(DELETED_TABLE)
+ .addTable(OPEN_KEY_TABLE)
+ .build();
+
+ userTable = this.store.getTable(USER_TABLE);
+ checkTableStatus(userTable, USER_TABLE);
+
+ volumeTable = this.store.getTable(VOLUME_TABLE);
+ checkTableStatus(volumeTable, VOLUME_TABLE);
+
+ bucketTable = this.store.getTable(BUCKET_TABLE);
+ checkTableStatus(bucketTable, BUCKET_TABLE);
+
+ keyTable = this.store.getTable(KEY_TABLE);
+ checkTableStatus(keyTable, KEY_TABLE);
+
+ deletedTable = this.store.getTable(DELETED_TABLE);
+ checkTableStatus(deletedTable, DELETED_TABLE);
+
+ openKeyTable = this.store.getTable(OPEN_KEY_TABLE);
+ checkTableStatus(openKeyTable, OPEN_KEY_TABLE);
+
+ }
+
+ @Override
+ public Table getUserTable() {
+ return userTable;
+ }
+
+ @Override
+ public Table getVolumeTable() {
+ return volumeTable;
+ }
+
+ @Override
+ public Table getBucketTable() {
+ return bucketTable;
+ }
+
+ @Override
+ public Table getKeyTable() {
+ return keyTable;
+ }
+
+ @Override
+ public Table getDeletedTable() {
+ return deletedTable;
+ }
+
+ @Override
+ public Table getOpenKeyTable() {
+ return openKeyTable;
+ }
+
+ private void checkTableStatus(Table table, String name) throws IOException {
+ String logMessage = "Unable to get a reference to %s table. Cannot " +
+ "continue.";
+ String errMsg = "Inconsistent DB state, Table - %s. Please check the logs" +
+ "for more info.";
+ if (table == null) {
+ LOG.error(String.format(logMessage, name));
+ throw new IOException(String.format(errMsg, name));
+ }
}
/**
@@ -104,7 +205,7 @@ public class OmMetadataManagerImpl implements OMMetadataManager {
* Stop metadata manager.
*/
@Override
- public void stop() throws IOException {
+ public void stop() throws Exception {
if (store != null) {
store.close();
}
@@ -112,86 +213,75 @@ public class OmMetadataManagerImpl implements OMMetadataManager {
/**
* Get metadata store.
+ *
* @return store - metadata store.
*/
@VisibleForTesting
@Override
- public MetadataStore getStore() {
+ public DBStore getStore() {
return store;
}
/**
* Given a volume return the corresponding DB key.
+ *
* @param volume - Volume name
*/
+ @Override
public byte[] getVolumeKey(String volume) {
- String dbVolumeName = OzoneConsts.OM_VOLUME_PREFIX + volume;
- return DFSUtil.string2Bytes(dbVolumeName);
+ return DFSUtil.string2Bytes(OzoneConsts.OM_KEY_PREFIX + volume);
}
/**
* Given a user return the corresponding DB key.
+ *
* @param user - User name
*/
+ @Override
public byte[] getUserKey(String user) {
- String dbUserName = OzoneConsts.OM_USER_PREFIX + user;
- return DFSUtil.string2Bytes(dbUserName);
+ return DFSUtil.string2Bytes(user);
}
/**
* Given a volume and bucket, return the corresponding DB key.
+ *
* @param volume - User name
* @param bucket - Bucket name
*/
+ @Override
public byte[] getBucketKey(String volume, String bucket) {
- String bucketKeyString = OzoneConsts.OM_VOLUME_PREFIX + volume
- + OzoneConsts.OM_BUCKET_PREFIX + bucket;
- return DFSUtil.string2Bytes(bucketKeyString);
- }
+ StringBuilder builder =
+ new StringBuilder().append(OM_KEY_PREFIX).append(volume);
- /**
- * @param volume
- * @param bucket
- * @return
- */
- private String getBucketWithDBPrefix(String volume, String bucket) {
- StringBuffer sb = new StringBuffer();
- sb.append(OzoneConsts.OM_VOLUME_PREFIX)
- .append(volume)
- .append(OzoneConsts.OM_BUCKET_PREFIX);
- if (!Strings.isNullOrEmpty(bucket)) {
- sb.append(bucket);
+ if (StringUtils.isNotBlank(bucket)) {
+ builder.append(OM_KEY_PREFIX).append(bucket);
}
- return sb.toString();
- }
-
- @Override
- public String getKeyWithDBPrefix(String volume, String bucket, String key) {
- String keyVB = OzoneConsts.OM_KEY_PREFIX + volume
- + OzoneConsts.OM_KEY_PREFIX + bucket
- + OzoneConsts.OM_KEY_PREFIX;
- return Strings.isNullOrEmpty(key) ? keyVB : keyVB + key;
- }
-
- @Override
- public byte[] getDBKeyBytes(String volume, String bucket, String key) {
- return DFSUtil.string2Bytes(getKeyWithDBPrefix(volume, bucket, key));
+ return DFSUtil.string2Bytes(builder.toString());
}
@Override
- public byte[] getDeletedKeyName(byte[] keyName) {
- return DFSUtil.string2Bytes(
- DELETING_KEY_PREFIX + DFSUtil.bytes2String(keyName));
+ public byte[] getOzoneKeyBytes(String volume, String bucket, String key) {
+ StringBuilder builder = new StringBuilder()
+ .append(OM_KEY_PREFIX).append(volume);
+ // TODO : Throw if the Bucket is null?
+ builder.append(OM_KEY_PREFIX).append(bucket);
+ if (StringUtil.isNotBlank(key)) {
+ builder.append(OM_KEY_PREFIX).append(key);
+ }
+ return DFSUtil.string2Bytes(builder.toString());
}
@Override
- public byte[] getOpenKeyNameBytes(String keyName, int id) {
- return DFSUtil.string2Bytes(OPEN_KEY_PREFIX + id +
- OPEN_KEY_ID_DELIMINATOR + keyName);
+ public byte[] getOpenKeyBytes(String volume, String bucket,
+ String key, long id) {
+ String openKey = OM_KEY_PREFIX + volume + OM_KEY_PREFIX + bucket +
+ OM_KEY_PREFIX + key + OM_KEY_PREFIX + id;
+ return DFSUtil.string2Bytes(openKey);
}
/**
* Returns the read lock used on Metadata DB.
+ *
* @return readLock
*/
@Override
@@ -201,6 +291,7 @@ public class OmMetadataManagerImpl implements OMMetadataManager {
/**
* Returns the write lock used on Metadata DB.
+ *
* @return writeLock
*/
@Override
@@ -209,71 +300,79 @@ public class OmMetadataManagerImpl implements OMMetadataManager {
}
/**
- * Returns the value associated with this key.
- * @param key - key
- * @return value
+ * Returns true if the firstArray startsWith the bytes of secondArray.
+ *
+ * @param firstArray - Byte array
+ * @param secondArray - Byte array
+ * @return true if the first array bytes match the bytes in the second array.
*/
- @Override
- public byte[] get(byte[] key) throws IOException {
- return store.get(key);
- }
+ private boolean startsWith(byte[] firstArray, byte[] secondArray) {
- /**
- * Puts a Key into Metadata DB.
- * @param key - key
- * @param value - value
- */
- @Override
- public void put(byte[] key, byte[] value) throws IOException {
- store.put(key, value);
- }
+ if (firstArray == null) {
+ // if both are null, then the arrays match, else if first is null and
+ // second is not, then this function returns false.
+ return secondArray == null;
+ }
- /**
- * Deletes a Key from Metadata DB.
- * @param key - key
- */
- public void delete(byte[] key) throws IOException {
- store.delete(key);
- }
- @Override
- public void writeBatch(BatchOperation batch) throws IOException {
- this.store.writeBatch(batch);
+ if (secondArray != null) {
+ // If the second array is longer then first array cannot be starting with
+ // the bytes of second array.
+ if (secondArray.length > firstArray.length) {
+ return false;
+ }
+
+ for (int ndx = 0; ndx < secondArray.length; ndx++) {
+ if (firstArray[ndx] != secondArray[ndx]) {
+ return false;
+ }
+ }
+ return true; //match, return true.
+ }
+ return false; // if first is not null and second is null, we define that
+ // array does not start with same chars.
}
/**
* Given a volume, check if it is empty, i.e there are no buckets inside it.
+ * We iterate in the bucket table and see if there is any key that starts with
+ * the volume prefix. We actually look for /volume/, since if we don't have
+ * the trailing slash it is possible that we might match some other volume.
+ * <p>
+ * For example, vol1 and vol122 might match, to avoid that we look for /vol1/
+ *
* @param volume - Volume name
* @return true if the volume is empty
*/
+ @Override
public boolean isVolumeEmpty(String volume) throws IOException {
- String dbVolumeRootName = OzoneConsts.OM_VOLUME_PREFIX + volume
- + OzoneConsts.OM_BUCKET_PREFIX;
- byte[] dbVolumeRootKey = DFSUtil.string2Bytes(dbVolumeRootName);
- ImmutablePair<byte[], byte[]> volumeRoot =
- store.peekAround(0, dbVolumeRootKey);
- if (volumeRoot != null) {
- return !DFSUtil.bytes2String(volumeRoot.getKey())
- .startsWith(dbVolumeRootName);
+ byte[] volumePrefix = getVolumeKey(volume + OM_KEY_PREFIX);
+ try (TableIterator<Table.KeyValue> bucketIter = bucketTable.iterator()) {
+ Table.KeyValue kv = bucketIter.seek(volumePrefix);
+ if (kv != null && startsWith(kv.getKey(), volumePrefix)) {
+ return false; // we found at least one bucket with this volume prefix.
+ }
}
return true;
}
/**
- * Given a volume/bucket, check if it is empty,
- * i.e there are no keys inside it.
+ * Given a volume/bucket, check if it is empty, i.e there are no keys inside
+ * it. Prefix is /volume/bucket/, and we lookup the keyTable.
+ *
* @param volume - Volume name
* @param bucket - Bucket name
* @return true if the bucket is empty
*/
+ @Override
public boolean isBucketEmpty(String volume, String bucket)
throws IOException {
- String keyRootName = getKeyWithDBPrefix(volume, bucket, null);
- byte[] keyRoot = DFSUtil.string2Bytes(keyRootName);
- ImmutablePair<byte[], byte[]> firstKey = store.peekAround(0, keyRoot);
- if (firstKey != null) {
- return !DFSUtil.bytes2String(firstKey.getKey())
- .startsWith(keyRootName);
+ byte[] keyPrefix = getBucketKey(volume, bucket + OM_KEY_PREFIX);
+ try (TableIterator<Table.KeyValue> keyIter = keyTable.iterator()) {
+ Table.KeyValue kv = keyIter.seek(keyPrefix);
+ if (kv != null && startsWith(kv.getKey(), keyPrefix)) {
+ return false; // we found at least one key with this vol/bucket prefix.
+ }
}
return true;
}
@@ -283,8 +382,8 @@ public class OmMetadataManagerImpl implements OMMetadataManager {
*/
@Override
public List<OmBucketInfo> listBuckets(final String volumeName,
- final String startBucket, final String bucketPrefix,
- final int maxNumOfBuckets) throws IOException {
+ final String startBucket, final String bucketPrefix,
+ final int maxNumOfBuckets) throws IOException {
List<OmBucketInfo> result = new ArrayList<>();
if (Strings.isNullOrEmpty(volumeName)) {
throw new OMException("Volume name is required.",
@@ -292,49 +391,61 @@ public class OmMetadataManagerImpl implements OMMetadataManager {
}
byte[] volumeNameBytes = getVolumeKey(volumeName);
- if (store.get(volumeNameBytes) == null) {
+ if (volumeTable.get(volumeNameBytes) == null) {
throw new OMException("Volume " + volumeName + " not found.",
ResultCodes.FAILED_VOLUME_NOT_FOUND);
}
- // A bucket starts with /#volume/#bucket_prefix
- MetadataKeyFilter filter = (preKey, currentKey, nextKey) -> {
- if (currentKey != null) {
- String bucketNamePrefix =
- getBucketWithDBPrefix(volumeName, bucketPrefix);
- String bucket = DFSUtil.bytes2String(currentKey);
- return bucket.startsWith(bucketNamePrefix);
- }
- return false;
- };
-
- List<Map.Entry<byte[], byte[]>> rangeResult;
- if (!Strings.isNullOrEmpty(startBucket)) {
- // Since we are excluding start key from the result,
- // the maxNumOfBuckets is incremented.
- rangeResult = store.getSequentialRangeKVs(
- getBucketKey(volumeName, startBucket),
- maxNumOfBuckets + 1, filter);
- if (!rangeResult.isEmpty()) {
- //Remove start key from result.
- rangeResult.remove(0);
- }
+ byte[] startKey;
+ boolean skipStartKey = false;
+ if (StringUtil.isNotBlank(startBucket)) {
+ // if the user has specified a start key, we need to seek to that key
+ // and avoid that key in the response set.
+ startKey = getBucketKey(volumeName, startBucket);
+ skipStartKey = true;
} else {
- rangeResult = store.getSequentialRangeKVs(null, maxNumOfBuckets, filter);
+ // If the user has specified a prefix key, we need to get to the first
+ // of the keys with the prefix match. We can leverage RocksDB to do that.
+ // However, if the user has specified only a prefix, we cannot skip
+ // the first prefix key we see, the boolean skipStartKey allows us to
+ // skip the startkey or not depending on what patterns are specified.
+ startKey = getBucketKey(volumeName, bucketPrefix);
}
- for (Map.Entry<byte[], byte[]> entry : rangeResult) {
- OmBucketInfo info = OmBucketInfo.getFromProtobuf(
- BucketInfo.parseFrom(entry.getValue()));
- result.add(info);
+ byte[] seekPrefix;
+ if (StringUtil.isNotBlank(bucketPrefix)) {
+ seekPrefix = getBucketKey(volumeName, bucketPrefix);
+ } else {
+ seekPrefix = getVolumeKey(volumeName + OM_KEY_PREFIX);
+ }
+ int currentCount = 0;
+ try (TableIterator<Table.KeyValue> bucketIter = bucketTable.iterator()) {
+ Table.KeyValue kv = bucketIter.seek(startKey);
+ while (currentCount < maxNumOfBuckets && bucketIter.hasNext()) {
+ kv = bucketIter.next();
+ // Skip the Start Bucket if needed.
+ if (kv != null && skipStartKey &&
+ Arrays.equals(kv.getKey(), startKey)) {
+ continue;
+ }
+ if (kv != null && startsWith(kv.getKey(), seekPrefix)) {
+ result.add(OmBucketInfo.getFromProtobuf(
+ BucketInfo.parseFrom(kv.getValue())));
+ currentCount++;
+ } else {
+ // The SeekPrefix does not match any more, we can break out of the
+ // loop.
+ break;
+ }
+ }
}
return result;
}
@Override
public List<OmKeyInfo> listKeys(String volumeName, String bucketName,
- String startKey, String keyPrefix, int maxKeys) throws IOException {
+ String startKey, String keyPrefix, int maxKeys) throws IOException {
List<OmKeyInfo> result = new ArrayList<>();
if (Strings.isNullOrEmpty(volumeName)) {
throw new OMException("Volume name is required.",
@@ -347,47 +458,61 @@ public class OmMetadataManagerImpl implements OMMetadataManager {
}
byte[] bucketNameBytes = getBucketKey(volumeName, bucketName);
- if (store.get(bucketNameBytes) == null) {
+ if (getBucketTable().get(bucketNameBytes) == null) {
throw new OMException("Bucket " + bucketName + " not found.",
ResultCodes.FAILED_BUCKET_NOT_FOUND);
}
- MetadataKeyFilter filter = new KeyPrefixFilter()
- .addFilter(getKeyWithDBPrefix(volumeName, bucketName, keyPrefix));
-
- List<Map.Entry<byte[], byte[]>> rangeResult;
- if (!Strings.isNullOrEmpty(startKey)) {
- //Since we are excluding start key from the result,
- // the maxNumOfBuckets is incremented.
- rangeResult = store.getSequentialRangeKVs(
- getDBKeyBytes(volumeName, bucketName, startKey),
- maxKeys + 1, filter);
- if (!rangeResult.isEmpty()) {
- //Remove start key from result.
- rangeResult.remove(0);
- }
+ byte[] seekKey;
+ boolean skipStartKey = false;
+ if (StringUtil.isNotBlank(startKey)) {
+ // Seek to the specified key.
+ seekKey = getOzoneKeyBytes(volumeName, bucketName, startKey);
+ skipStartKey = true;
} else {
- rangeResult = store.getSequentialRangeKVs(null, maxKeys, filter);
+ // This allows us to seek directly to the first key with the right prefix.
+ seekKey = getOzoneKeyBytes(volumeName, bucketName, keyPrefix);
}
- for (Map.Entry<byte[], byte[]> entry : rangeResult) {
- OmKeyInfo info = OmKeyInfo.getFromProtobuf(
- KeyInfo.parseFrom(entry.getValue()));
- result.add(info);
+ byte[] seekPrefix;
+ if (StringUtil.isNotBlank(keyPrefix)) {
+ seekPrefix = getOzoneKeyBytes(volumeName, bucketName, keyPrefix);
+ } else {
+ seekPrefix = getBucketKey(volumeName, bucketName + OM_KEY_PREFIX);
+ }
+ int currentCount = 0;
+ try (TableIterator<Table.KeyValue> keyIter = getKeyTable().iterator()) {
+ Table.KeyValue kv = keyIter.seek(seekKey);
+ while (currentCount < maxKeys && keyIter.hasNext()) {
+ kv = keyIter.next();
+ // Skip the Start key if needed.
+ if (kv != null && skipStartKey && Arrays.equals(kv.getKey(), seekKey)) {
+ continue;
+ }
+ if (kv != null && startsWith(kv.getKey(), seekPrefix)) {
+ result.add(OmKeyInfo.getFromProtobuf(
+ KeyInfo.parseFrom(kv.getValue())));
+ currentCount++;
+ } else {
+ // The SeekPrefix does not match any more, we can break out of the
+ // loop.
+ break;
+ }
+ }
}
return result;
}
@Override
public List<OmVolumeArgs> listVolumes(String userName,
- String prefix, String startKey, int maxKeys) throws IOException {
+ String prefix, String startKey, int maxKeys) throws IOException {
List<OmVolumeArgs> result = Lists.newArrayList();
VolumeList volumes;
- if (Strings.isNullOrEmpty(userName)) {
- volumes = getAllVolumes();
- } else {
- volumes = getVolumesByUser(userName);
+ if (StringUtil.isBlank(userName)) {
+ throw new OMException("User name is required to list Volumes.",
+ ResultCodes.FAILED_USER_NOT_FOUND);
}
+ volumes = getVolumesByUser(userName);
if (volumes == null || volumes.getVolumeNamesCount() == 0) {
return result;
@@ -406,7 +531,7 @@ public class OmMetadataManagerImpl implements OMMetadataManager {
continue;
}
if (startKeyFound && result.size() < maxKeys) {
- byte[] volumeInfo = store.get(this.getVolumeKey(volumeName));
+ byte[] volumeInfo = getVolumeTable().get(this.getVolumeKey(volumeName));
if (volumeInfo == null) {
// Could not get volume info by given volume name,
// since the volume name is loaded from db,
@@ -433,7 +558,7 @@ public class OmMetadataManagerImpl implements OMMetadataManager {
throws OMException {
VolumeList volumes = null;
try {
- byte[] volumesInBytes = store.get(userNameKey);
+ byte[] volumesInBytes = getUserTable().get(userNameKey);
if (volumesInBytes == null) {
// No volume found for this user, return an empty list
return VolumeList.newBuilder().build();
@@ -447,32 +572,12 @@ public class OmMetadataManagerImpl implements OMMetadataManager {
return volumes;
}
- private VolumeList getAllVolumes() throws IOException {
- // Scan all users in database
- KeyPrefixFilter filter =
- new KeyPrefixFilter().addFilter(OzoneConsts.OM_USER_PREFIX);
- // We are not expecting a huge number of users per cluster,
- // it should be fine to scan all users in db and return us a
- // list of volume names in string per user.
- List<Map.Entry<byte[], byte[]>> rangeKVs = store
- .getSequentialRangeKVs(null, Integer.MAX_VALUE, filter);
-
- VolumeList.Builder builder = VolumeList.newBuilder();
- for (Map.Entry<byte[], byte[]> entry : rangeKVs) {
- VolumeList volumes = this.getVolumesByUser(entry.getKey());
- builder.addAllVolumeNames(volumes.getVolumeNamesList());
- }
-
- return builder.build();
- }
-
@Override
public List<BlockGroup> getPendingDeletionKeys(final int count)
throws IOException {
List<BlockGroup> keyBlocksList = Lists.newArrayList();
- List<Map.Entry<byte[], byte[]>> rangeResult =
- store.getRangeKVs(null, count,
- MetadataKeyFilters.getDeletingKeyFilter());
+ // TODO: Fix this later, Not part of this patch.
+ List<Map.Entry<byte[], byte[]>> rangeResult = Collections.emptyList();
for (Map.Entry<byte[], byte[]> entry : rangeResult) {
OmKeyInfo info =
OmKeyInfo.getFromProtobuf(KeyInfo.parseFrom(entry.getValue()));
@@ -482,7 +587,7 @@ public class OmMetadataManagerImpl implements OMMetadataManager {
return Collections.emptyList();
}
List<BlockID> item = latest.getLocationList().stream()
- .map(b->new BlockID(b.getContainerID(), b.getLocalID()))
+ .map(b -> new BlockID(b.getContainerID(), b.getLocalID()))
.collect(Collectors.toList());
BlockGroup keyBlocks = BlockGroup.newBuilder()
.setKeyName(DFSUtil.bytes2String(entry.getKey()))
@@ -497,11 +602,9 @@ public class OmMetadataManagerImpl implements OMMetadataManager {
public List<BlockGroup> getExpiredOpenKeys() throws IOException {
List<BlockGroup> keyBlocksList = Lists.newArrayList();
long now = Time.now();
- final MetadataKeyFilter openKeyFilter =
- new KeyPrefixFilter().addFilter(OPEN_KEY_PREFIX);
- List<Map.Entry<byte[], byte[]>> rangeResult =
- store.getSequentialRangeKVs(null, Integer.MAX_VALUE,
- openKeyFilter);
+ // TODO: Fix the getExpiredOpenKeys, Not part of this patch.
+ List<Map.Entry<byte[], byte[]>> rangeResult = Collections.emptyList();
+
for (Map.Entry<byte[], byte[]> entry : rangeResult) {
OmKeyInfo info =
OmKeyInfo.getFromProtobuf(KeyInfo.parseFrom(entry.getValue()));
@@ -513,7 +616,7 @@ public class OmMetadataManagerImpl implements OMMetadataManager {
// Get block keys as a list.
List<BlockID> item = info.getLatestVersionLocations()
.getBlocksLatestVersionOnly().stream()
- .map(b->new BlockID(b.getContainerID(), b.getLocalID()))
+ .map(b -> new BlockID(b.getContainerID(), b.getLocalID()))
.collect(Collectors.toList());
BlockGroup keyBlocks = BlockGroup.newBuilder()
.setKeyName(DFSUtil.bytes2String(entry.getKey()))
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java
index 71fa921..c06508d 100644
--- a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java
+++ b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java
@@ -21,14 +21,27 @@ import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
import com.google.protobuf.BlockingService;
import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.hdds.conf.OzoneConfiguration;
import org.apache.hadoop.hdds.protocol.DatanodeDetails;
+import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
+import org.apache.hadoop.hdds.scm.ScmInfo;
+import org.apache.hadoop.hdds.scm.protocol.ScmBlockLocationProtocol;
+import org.apache.hadoop.hdds.scm.protocol.StorageContainerLocationProtocol;
+import org.apache.hadoop.hdds.scm.protocolPB.ScmBlockLocationProtocolClientSideTranslatorPB;
+import org.apache.hadoop.hdds.scm.protocolPB.ScmBlockLocationProtocolPB;
+import org.apache.hadoop.hdds.scm.protocolPB.StorageContainerLocationProtocolClientSideTranslatorPB;
+import org.apache.hadoop.hdds.scm.protocolPB.StorageContainerLocationProtocolPB;
+import org.apache.hadoop.hdds.server.ServiceRuntimeInfoImpl;
import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.ipc.Client;
import org.apache.hadoop.ipc.ProtobufRpcEngine;
import org.apache.hadoop.ipc.RPC;
-import org.apache.hadoop.hdds.server.ServiceRuntimeInfoImpl;
+import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
+import org.apache.hadoop.metrics2.util.MBeans;
+import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.ozone.common.Storage.StorageState;
import org.apache.hadoop.ozone.om.exceptions.OMException;
+import org.apache.hadoop.ozone.om.exceptions.OMException.ResultCodes;
import org.apache.hadoop.ozone.om.helpers.OmBucketArgs;
import org.apache.hadoop.ozone.om.helpers.OmBucketInfo;
import org.apache.hadoop.ozone.om.helpers.OmKeyArgs;
@@ -39,36 +52,12 @@ import org.apache.hadoop.ozone.om.helpers.OpenKeySession;
import org.apache.hadoop.ozone.om.helpers.ServiceInfo;
import org.apache.hadoop.ozone.om.protocol.OzoneManagerProtocol;
import org.apache.hadoop.ozone.om.protocolPB.OzoneManagerProtocolPB;
-import org.apache.hadoop.ozone.om.exceptions.OMException.ResultCodes;
-import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
-import org.apache.hadoop.metrics2.util.MBeans;
-import org.apache.hadoop.net.NetUtils;
-import org.apache.hadoop.hdds.conf.OzoneConfiguration;
-import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos
- .ServicePort;
-import org.apache.hadoop.ozone.protocol.proto
- .OzoneManagerProtocolProtos.OzoneAclInfo;
-import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
+import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.OzoneAclInfo;
+import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.ServicePort;
import org.apache.hadoop.ozone.protocolPB.OzoneManagerProtocolServerSideTranslatorPB;
-import org.apache.hadoop.hdds.scm.ScmInfo;
-import org.apache.hadoop.hdds.scm.protocol.ScmBlockLocationProtocol;
-import org.apache.hadoop.hdds.scm.protocol.StorageContainerLocationProtocol;
-import org.apache.hadoop.hdds.scm.protocolPB
- .ScmBlockLocationProtocolClientSideTranslatorPB;
-import org.apache.hadoop.hdds.scm.protocolPB.ScmBlockLocationProtocolPB;
-import org.apache.hadoop.hdds.scm.protocolPB
- .StorageContainerLocationProtocolClientSideTranslatorPB;
-import org.apache.hadoop.hdds.scm.protocolPB.StorageContainerLocationProtocolPB;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.util.GenericOptionsParser;
import org.apache.hadoop.util.StringUtils;
-
-import static org.apache.hadoop.hdds.HddsUtils.getScmAddressForBlockClients;
-import static org.apache.hadoop.hdds.HddsUtils.getScmAddressForClients;
-import static org.apache.hadoop.hdds.HddsUtils.isHddsEnabled;
-import static org.apache.hadoop.ozone.OmUtils.getOmAddress;
-import static org.apache.hadoop.hdds.server.ServerUtils
- .updateRPCListenAddress;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -81,18 +70,17 @@ import java.util.HashMap;
import java.util.List;
import java.util.Map;
+import static org.apache.hadoop.hdds.HddsUtils.getScmAddressForBlockClients;
+import static org.apache.hadoop.hdds.HddsUtils.getScmAddressForClients;
+import static org.apache.hadoop.hdds.HddsUtils.isHddsEnabled;
+import static org.apache.hadoop.hdds.protocol.proto.HddsProtos.NodeState.HEALTHY;
+import static org.apache.hadoop.hdds.server.ServerUtils.updateRPCListenAddress;
+import static org.apache.hadoop.ozone.OmUtils.getOmAddress;
import static org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_ENABLED;
-import static org.apache.hadoop.ozone.om.OMConfigKeys
- .OZONE_OM_ADDRESS_KEY;
-import static org.apache.hadoop.ozone.om.OMConfigKeys
- .OZONE_OM_HANDLER_COUNT_DEFAULT;
-import static org.apache.hadoop.ozone.om.OMConfigKeys
- .OZONE_OM_HANDLER_COUNT_KEY;
-import static org.apache.hadoop.ozone.protocol.proto
- .OzoneManagerProtocolProtos.OzoneManagerService
- .newReflectiveBlockingService;
-import static org.apache.hadoop.hdds.protocol.proto.HddsProtos
- .NodeState.HEALTHY;
+import static org.apache.hadoop.ozone.om.OMConfigKeys.OZONE_OM_ADDRESS_KEY;
+import static org.apache.hadoop.ozone.om.OMConfigKeys.OZONE_OM_HANDLER_COUNT_DEFAULT;
+import static org.apache.hadoop.ozone.om.OMConfigKeys.OZONE_OM_HANDLER_COUNT_KEY;
+import static org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.OzoneManagerService.newReflectiveBlockingService;
import static org.apache.hadoop.util.ExitUtil.terminate;
/**
@@ -108,33 +96,6 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
"Usage: \n ozone om [genericOptions] " + "[ "
+ StartupOption.CREATEOBJECTSTORE.getName() + " ]\n " + "ozone om [ "
+ StartupOption.HELP.getName() + " ]\n";
-
- /** Startup options. */
- public enum StartupOption {
- CREATEOBJECTSTORE("-createObjectStore"),
- HELP("-help"),
- REGULAR("-regular");
-
- private final String name;
-
- StartupOption(String arg) {
- this.name = arg;
- }
-
- public String getName() {
- return name;
- }
-
- public static StartupOption parse(String value) {
- for (StartupOption option : StartupOption.values()) {
- if (option.name.equalsIgnoreCase(value)) {
- return option;
- }
- }
- return null;
- }
- }
-
private final OzoneConfiguration configuration;
private final RPC.Server omRpcServer;
private final InetSocketAddress omRpcAddress;
@@ -238,20 +199,6 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
return scmContainerClient;
}
- @VisibleForTesting
- public KeyManager getKeyManager() {
- return keyManager;
- }
-
- @VisibleForTesting
- public ScmInfo getScmInfo() throws IOException {
- return scmBlockClient.getScmInfo();
- }
-
- @VisibleForTesting
- public OMStorage getOmStorage() {
- return omStorage;
- }
/**
* Starts an RPC server, if configured.
*
@@ -260,7 +207,6 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
* @param protocol RPC protocol provided by RPC server
* @param instance RPC protocol implementation instance
* @param handlerCount RPC server handler count
- *
* @return RPC server
* @throws IOException if there is an I/O error while creating RPC server
*/
@@ -282,18 +228,6 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
}
/**
- * Get metadata manager.
- * @return metadata manager.
- */
- public OMMetadataManager getMetadataManager() {
- return metadataManager;
- }
-
- public OMMetrics getMetrics() {
- return metrics;
- }
-
- /**
* Main entry point for starting OzoneManager.
*
* @param argv arguments
@@ -329,6 +263,7 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
/**
* Constructs OM instance based on command line arguments.
+ *
* @param argv Command line arguments
* @param conf OzoneConfiguration
* @return OM instance
@@ -336,7 +271,7 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
*/
public static OzoneManager createOm(String[] argv,
- OzoneConfiguration conf) throws IOException {
+ OzoneConfiguration conf) throws IOException {
if (!isHddsEnabled(conf)) {
System.err.println("OM cannot be started in secure mode or when " +
OZONE_ENABLED + " is set to false");
@@ -363,9 +298,11 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
/**
* Initializes the OM instance.
+ *
* @param conf OzoneConfiguration
* @return true if OM initialization succeeds, false otherwise
- * @throws IOException in case ozone metadata directory path is not accessible
+ * @throws IOException in case ozone metadata directory path is not
+ * accessible
*/
private static boolean omInit(OzoneConfiguration conf) throws IOException {
@@ -406,14 +343,17 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
/**
* Parses the command line options for OM initialization.
+ *
* @param args command line arguments
* @return StartupOption if options are valid, null otherwise
*/
private static StartupOption parseArguments(String[] args) {
if (args == null || args.length == 0) {
return StartupOption.REGULAR;
- } else if (args.length == 1) {
- return StartupOption.parse(args[0]);
+ } else {
+ if (args.length == 1) {
+ return StartupOption.parse(args[0]);
+ }
}
return null;
}
@@ -432,6 +372,34 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
String.format("%s not started", description);
}
+ @VisibleForTesting
+ public KeyManager getKeyManager() {
+ return keyManager;
+ }
+
+ @VisibleForTesting
+ public ScmInfo getScmInfo() throws IOException {
+ return scmBlockClient.getScmInfo();
+ }
+
+ @VisibleForTesting
+ public OMStorage getOmStorage() {
+ return omStorage;
+ }
+
+ /**
+ * Get metadata manager.
+ *
+ * @return metadata manager.
+ */
+ public OMMetadataManager getMetadataManager() {
+ return metadataManager;
+ }
+
+ public OMMetrics getMetrics() {
+ return metrics;
+ }
+
/**
* Start service.
*/
@@ -533,8 +501,8 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
*
* @param volume - volume
* @param userAcl - user acls which needs to be checked for access
- * @return true if the user has required access for the volume,
- * false otherwise
+ * @return true if the user has required access for the volume, false
+ * otherwise
* @throws IOException
*/
@Override
@@ -597,7 +565,7 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
*/
@Override
public List<OmVolumeArgs> listVolumeByUser(String userName, String prefix,
- String prevKey, int maxKeys) throws IOException {
+ String prevKey, int maxKeys) throws IOException {
try {
metrics.incNumVolumeLists();
return volumeManager.listVolumes(userName, prefix, prevKey, maxKeys);
@@ -651,7 +619,7 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
*/
@Override
public List<OmBucketInfo> listBuckets(String volumeName,
- String startKey, String prefix, int maxNumOfBuckets)
+ String startKey, String prefix, int maxNumOfBuckets)
throws IOException {
try {
metrics.incNumBucketLists();
@@ -702,7 +670,7 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
}
@Override
- public void commitKey(OmKeyArgs args, int clientID)
+ public void commitKey(OmKeyArgs args, long clientID)
throws IOException {
try {
metrics.incNumKeyCommits();
@@ -714,7 +682,7 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
}
@Override
- public OmKeyLocationInfo allocateBlock(OmKeyArgs args, int clientID)
+ public OmKeyLocationInfo allocateBlock(OmKeyArgs args, long clientID)
throws IOException {
try {
metrics.incNumBlockAllocateCalls();
@@ -773,7 +741,7 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
@Override
public List<OmKeyInfo> listKeys(String volumeName, String bucketName,
- String startKey, String keyPrefix, int maxKeys) throws IOException {
+ String startKey, String keyPrefix, int maxKeys) throws IOException {
try {
metrics.incNumKeyLists();
return keyManager.listKeys(volumeName, bucketName,
@@ -786,6 +754,7 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
/**
* Sets bucket property from args.
+ *
* @param args - BucketArgs.
* @throws IOException
*/
@@ -801,9 +770,9 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
}
}
-
/**
* Deletes an existing empty bucket from volume.
+ *
* @param volume - Name of the volume.
* @param bucket - Name of the bucket.
* @throws IOException
@@ -853,8 +822,8 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
.setNodeType(HddsProtos.NodeType.OM)
.setHostname(omRpcAddress.getHostName())
.addServicePort(ServicePort.newBuilder()
- .setType(ServicePort.Type.RPC)
- .setValue(omRpcAddress.getPort())
+ .setType(ServicePort.Type.RPC)
+ .setValue(omRpcAddress.getPort())
.build());
if (httpServer.getHttpAddress() != null) {
omServiceInfoBuilder.addServicePort(ServicePort.newBuilder()
@@ -908,4 +877,32 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
// metrics.incNumGetServiceListFails()
return services;
}
+
+ /**
+ * Startup options.
+ */
+ public enum StartupOption {
+ CREATEOBJECTSTORE("-createObjectStore"),
+ HELP("-help"),
+ REGULAR("-regular");
+
+ private final String name;
+
+ StartupOption(String arg) {
+ this.name = arg;
+ }
+
+ public static StartupOption parse(String value) {
+ for (StartupOption option : StartupOption.values()) {
+ if (option.name.equalsIgnoreCase(value)) {
+ return option;
+ }
+ }
+ return null;
+ }
+
+ public String getName() {
+ return name;
+ }
+ }
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/VolumeManagerImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/VolumeManagerImpl.java b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/VolumeManagerImpl.java
index e50145d..419b0aa 100644
--- a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/VolumeManagerImpl.java
+++ b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/VolumeManagerImpl.java
@@ -28,7 +28,9 @@ import org.apache.hadoop.ozone.protocol.proto
.OzoneManagerProtocolProtos.VolumeInfo;
import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
import org.apache.hadoop.util.Time;
-import org.apache.hadoop.utils.BatchOperation;
+import org.apache.hadoop.utils.RocksDBStore;
+import org.rocksdb.RocksDBException;
+import org.rocksdb.WriteBatch;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -67,10 +69,10 @@ public class VolumeManagerImpl implements VolumeManager {
// Helpers to add and delete volume from user list
private void addVolumeToOwnerList(String volume, String owner,
- BatchOperation batchOperation) throws IOException {
+ WriteBatch batchOperation) throws RocksDBException, IOException {
// Get the volume list
byte[] dbUserKey = metadataManager.getUserKey(owner);
- byte[] volumeList = metadataManager.get(dbUserKey);
+ byte[] volumeList = metadataManager.getUserTable().get(dbUserKey);
List<String> prevVolList = new LinkedList<>();
if (volumeList != null) {
VolumeList vlist = VolumeList.parseFrom(volumeList);
@@ -87,15 +89,15 @@ public class VolumeManagerImpl implements VolumeManager {
prevVolList.add(volume);
VolumeList newVolList = VolumeList.newBuilder()
.addAllVolumeNames(prevVolList).build();
- batchOperation.put(dbUserKey, newVolList.toByteArray());
+ batchOperation.put(metadataManager.getUserTable().getHandle(),
+ dbUserKey, newVolList.toByteArray());
}
private void delVolumeFromOwnerList(String volume, String owner,
- BatchOperation batchOperation)
- throws IOException {
+ WriteBatch batch) throws RocksDBException, IOException {
// Get the volume list
byte[] dbUserKey = metadataManager.getUserKey(owner);
- byte[] volumeList = metadataManager.get(dbUserKey);
+ byte[] volumeList = metadataManager.getUserTable().get(dbUserKey);
List<String> prevVolList = new LinkedList<>();
if (volumeList != null) {
VolumeList vlist = VolumeList.parseFrom(volumeList);
@@ -108,11 +110,12 @@ public class VolumeManagerImpl implements VolumeManager {
// Remove the volume from the list
prevVolList.remove(volume);
if (prevVolList.size() == 0) {
- batchOperation.delete(dbUserKey);
+ batch.delete(dbUserKey);
} else {
VolumeList newVolList = VolumeList.newBuilder()
.addAllVolumeNames(prevVolList).build();
- batchOperation.put(dbUserKey, newVolList.toByteArray());
+ batch.put(metadataManager.getUserTable().getHandle(),
+ dbUserKey, newVolList.toByteArray());
}
}
@@ -126,7 +129,7 @@ public class VolumeManagerImpl implements VolumeManager {
metadataManager.writeLock().lock();
try {
byte[] dbVolumeKey = metadataManager.getVolumeKey(args.getVolume());
- byte[] volumeInfo = metadataManager.get(dbVolumeKey);
+ byte[] volumeInfo = metadataManager.getVolumeTable().get(dbVolumeKey);
// Check of the volume already exists
if (volumeInfo != null) {
@@ -134,37 +137,45 @@ public class VolumeManagerImpl implements VolumeManager {
throw new OMException(ResultCodes.FAILED_VOLUME_ALREADY_EXISTS);
}
- BatchOperation batch = new BatchOperation();
- // Write the vol info
- List<HddsProtos.KeyValue> metadataList = new LinkedList<>();
- for (Map.Entry<String, String> entry : args.getKeyValueMap().entrySet()) {
- metadataList.add(HddsProtos.KeyValue.newBuilder()
- .setKey(entry.getKey()).setValue(entry.getValue()).build());
+ try(WriteBatch batch = new WriteBatch()) {
+ // Write the vol info
+ List<HddsProtos.KeyValue> metadataList = new LinkedList<>();
+ for (Map.Entry<String, String> entry :
+ args.getKeyValueMap().entrySet()) {
+ metadataList.add(HddsProtos.KeyValue.newBuilder()
+ .setKey(entry.getKey()).setValue(entry.getValue()).build());
+ }
+ List<OzoneAclInfo> aclList = args.getAclMap().ozoneAclGetProtobuf();
+
+ VolumeInfo newVolumeInfo = VolumeInfo.newBuilder()
+ .setAdminName(args.getAdminName())
+ .setOwnerName(args.getOwnerName())
+ .setVolume(args.getVolume())
+ .setQuotaInBytes(args.getQuotaInBytes())
+ .addAllMetadata(metadataList)
+ .addAllVolumeAcls(aclList)
+ .setCreationTime(Time.now())
+ .build();
+ batch.put(metadataManager.getVolumeTable().getHandle(),
+ dbVolumeKey, newVolumeInfo.toByteArray());
+
+ // Add volume to user list
+ addVolumeToOwnerList(args.getVolume(), args.getOwnerName(), batch);
+ metadataManager.getStore().write(batch);
}
- List<OzoneAclInfo> aclList = args.getAclMap().ozoneAclGetProtobuf();
-
- VolumeInfo newVolumeInfo = VolumeInfo.newBuilder()
- .setAdminName(args.getAdminName())
- .setOwnerName(args.getOwnerName())
- .setVolume(args.getVolume())
- .setQuotaInBytes(args.getQuotaInBytes())
- .addAllMetadata(metadataList)
- .addAllVolumeAcls(aclList)
- .setCreationTime(Time.now())
- .build();
- batch.put(dbVolumeKey, newVolumeInfo.toByteArray());
-
- // Add volume to user list
- addVolumeToOwnerList(args.getVolume(), args.getOwnerName(), batch);
- metadataManager.writeBatch(batch);
LOG.debug("created volume:{} user:{}", args.getVolume(),
args.getOwnerName());
- } catch (IOException ex) {
+ } catch (RocksDBException | IOException ex) {
if (!(ex instanceof OMException)) {
LOG.error("Volume creation failed for user:{} volume:{}",
args.getOwnerName(), args.getVolume(), ex);
}
- throw ex;
+ if(ex instanceof RocksDBException) {
+ throw RocksDBStore.toIOException("Volume creation failed.",
+ (RocksDBException) ex);
+ } else {
+ throw (IOException) ex;
+ }
} finally {
metadataManager.writeLock().unlock();
}
@@ -184,7 +195,7 @@ public class VolumeManagerImpl implements VolumeManager {
metadataManager.writeLock().lock();
try {
byte[] dbVolumeKey = metadataManager.getVolumeKey(volume);
- byte[] volInfo = metadataManager.get(dbVolumeKey);
+ byte[] volInfo = metadataManager.getVolumeTable().get(dbVolumeKey);
if (volInfo == null) {
LOG.debug("Changing volume ownership failed for user:{} volume:{}",
owner, volume);
@@ -195,28 +206,34 @@ public class VolumeManagerImpl implements VolumeManager {
OmVolumeArgs volumeArgs = OmVolumeArgs.getFromProtobuf(volumeInfo);
Preconditions.checkState(volume.equals(volumeInfo.getVolume()));
- BatchOperation batch = new BatchOperation();
- delVolumeFromOwnerList(volume, volumeArgs.getOwnerName(), batch);
- addVolumeToOwnerList(volume, owner, batch);
-
- OmVolumeArgs newVolumeArgs =
- OmVolumeArgs.newBuilder().setVolume(volumeArgs.getVolume())
- .setAdminName(volumeArgs.getAdminName())
- .setOwnerName(owner)
- .setQuotaInBytes(volumeArgs.getQuotaInBytes())
- .setCreationTime(volumeArgs.getCreationTime())
- .build();
-
- VolumeInfo newVolumeInfo = newVolumeArgs.getProtobuf();
- batch.put(dbVolumeKey, newVolumeInfo.toByteArray());
-
- metadataManager.writeBatch(batch);
- } catch (IOException ex) {
+ try(WriteBatch batch = new WriteBatch()) {
+ delVolumeFromOwnerList(volume, volumeArgs.getOwnerName(), batch);
+ addVolumeToOwnerList(volume, owner, batch);
+
+ OmVolumeArgs newVolumeArgs =
+ OmVolumeArgs.newBuilder().setVolume(volumeArgs.getVolume())
+ .setAdminName(volumeArgs.getAdminName())
+ .setOwnerName(owner)
+ .setQuotaInBytes(volumeArgs.getQuotaInBytes())
+ .setCreationTime(volumeArgs.getCreationTime())
+ .build();
+
+ VolumeInfo newVolumeInfo = newVolumeArgs.getProtobuf();
+ batch.put(metadataManager.getVolumeTable().getHandle(),
+ dbVolumeKey, newVolumeInfo.toByteArray());
+ metadataManager.getStore().write(batch);
+ }
+ } catch (RocksDBException | IOException ex) {
if (!(ex instanceof OMException)) {
LOG.error("Changing volume ownership failed for user:{} volume:{}",
owner, volume, ex);
}
- throw ex;
+ if(ex instanceof RocksDBException) {
+ throw RocksDBStore.toIOException("Volume creation failed.",
+ (RocksDBException) ex);
+ } else {
+ throw (IOException) ex;
+ }
} finally {
metadataManager.writeLock().unlock();
}
@@ -234,7 +251,7 @@ public class VolumeManagerImpl implements VolumeManager {
metadataManager.writeLock().lock();
try {
byte[] dbVolumeKey = metadataManager.getVolumeKey(volume);
- byte[] volInfo = metadataManager.get(dbVolumeKey);
+ byte[] volInfo = metadataManager.getVolumeTable().get(dbVolumeKey);
if (volInfo == null) {
LOG.debug("volume:{} does not exist", volume);
throw new OMException(ResultCodes.FAILED_VOLUME_NOT_FOUND);
@@ -253,7 +270,8 @@ public class VolumeManagerImpl implements VolumeManager {
.setCreationTime(volumeArgs.getCreationTime()).build();
VolumeInfo newVolumeInfo = newVolumeArgs.getProtobuf();
- metadataManager.put(dbVolumeKey, newVolumeInfo.toByteArray());
+ metadataManager.getVolumeTable().put(dbVolumeKey,
+ newVolumeInfo.toByteArray());
} catch (IOException ex) {
if (!(ex instanceof OMException)) {
LOG.error("Changing volume quota failed for volume:{} quota:{}", volume,
@@ -276,7 +294,7 @@ public class VolumeManagerImpl implements VolumeManager {
metadataManager.readLock().lock();
try {
byte[] dbVolumeKey = metadataManager.getVolumeKey(volume);
- byte[] volInfo = metadataManager.get(dbVolumeKey);
+ byte[] volInfo = metadataManager.getVolumeTable().get(dbVolumeKey);
if (volInfo == null) {
LOG.debug("volume:{} does not exist", volume);
throw new OMException(ResultCodes.FAILED_VOLUME_NOT_FOUND);
@@ -307,9 +325,9 @@ public class VolumeManagerImpl implements VolumeManager {
Preconditions.checkNotNull(volume);
metadataManager.writeLock().lock();
try {
- BatchOperation batch = new BatchOperation();
+
byte[] dbVolumeKey = metadataManager.getVolumeKey(volume);
- byte[] volInfo = metadataManager.get(dbVolumeKey);
+ byte[] volInfo = metadataManager.getVolumeTable().get(dbVolumeKey);
if (volInfo == null) {
LOG.debug("volume:{} does not exist", volume);
throw new OMException(ResultCodes.FAILED_VOLUME_NOT_FOUND);
@@ -324,14 +342,22 @@ public class VolumeManagerImpl implements VolumeManager {
Preconditions.checkState(volume.equals(volumeInfo.getVolume()));
// delete the volume from the owner list
// as well as delete the volume entry
- delVolumeFromOwnerList(volume, volumeInfo.getOwnerName(), batch);
- batch.delete(dbVolumeKey);
- metadataManager.writeBatch(batch);
- } catch (IOException ex) {
+ try(WriteBatch batch = new WriteBatch()) {
+ delVolumeFromOwnerList(volume, volumeInfo.getOwnerName(), batch);
+ batch.delete(metadataManager.getVolumeTable().getHandle(),
+ dbVolumeKey);
+ metadataManager.getStore().write(batch);
+ }
+ } catch (RocksDBException| IOException ex) {
if (!(ex instanceof OMException)) {
LOG.error("Delete volume failed for volume:{}", volume, ex);
}
- throw ex;
+ if(ex instanceof RocksDBException) {
+ throw RocksDBStore.toIOException("Volume creation failed.",
+ (RocksDBException) ex);
+ } else {
+ throw (IOException) ex;
+ }
} finally {
metadataManager.writeLock().unlock();
}
@@ -352,7 +378,7 @@ public class VolumeManagerImpl implements VolumeManager {
metadataManager.readLock().lock();
try {
byte[] dbVolumeKey = metadataManager.getVolumeKey(volume);
- byte[] volInfo = metadataManager.get(dbVolumeKey);
+ byte[] volInfo = metadataManager.getVolumeTable().get(dbVolumeKey);
if (volInfo == null) {
LOG.debug("volume:{} does not exist", volume);
throw new OMException(ResultCodes.FAILED_VOLUME_NOT_FOUND);
@@ -378,7 +404,7 @@ public class VolumeManagerImpl implements VolumeManager {
*/
@Override
public List<OmVolumeArgs> listVolumes(String userName,
- String prefix, String startKey, int maxKeys) throws IOException {
+ String prefix, String startKey, int maxKeys) throws IOException {
metadataManager.readLock().lock();
try {
return metadataManager.listVolumes(
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/protocolPB/OzoneManagerProtocolServerSideTranslatorPB.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/protocolPB/OzoneManagerProtocolServerSideTranslatorPB.java b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/protocolPB/OzoneManagerProtocolServerSideTranslatorPB.java
index 45ec2d0..06d782b 100644
--- a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/protocolPB/OzoneManagerProtocolServerSideTranslatorPB.java
+++ b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/protocolPB/OzoneManagerProtocolServerSideTranslatorPB.java
@@ -526,8 +526,7 @@ public class OzoneManagerProtocolServerSideTranslatorPB implements
.setFactor(factor)
.setDataSize(keyArgs.getDataSize())
.build();
- int id = request.getClientID();
- impl.commitKey(omKeyArgs, id);
+ impl.commitKey(omKeyArgs, request.getClientID());
resp.setStatus(Status.OK);
} catch (IOException e) {
resp.setStatus(exceptionToResponseStatus(e));
@@ -547,8 +546,8 @@ public class OzoneManagerProtocolServerSideTranslatorPB implements
.setBucketName(keyArgs.getBucketName())
.setKeyName(keyArgs.getKeyName())
.build();
- int id = request.getClientID();
- OmKeyLocationInfo newLocation = impl.allocateBlock(omKeyArgs, id);
+ OmKeyLocationInfo newLocation = impl.allocateBlock(omKeyArgs,
+ request.getClientID());
resp.setKeyLocation(newLocation.getProtobuf());
resp.setStatus(Status.OK);
} catch (IOException e) {
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/TestBucketManagerImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/TestBucketManagerImpl.java b/hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/TestBucketManagerImpl.java
index 1ecac7f..9684a1f 100644
--- a/hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/TestBucketManagerImpl.java
+++ b/hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/TestBucketManagerImpl.java
@@ -17,33 +17,26 @@
package org.apache.hadoop.ozone.om;
import org.apache.hadoop.fs.StorageType;
+import org.apache.hadoop.hdds.conf.OzoneConfiguration;
+import org.apache.hadoop.hdds.server.ServerUtils;
import org.apache.hadoop.hdfs.DFSUtil;
-import org.apache.hadoop.ozone.om.helpers.OmBucketArgs;
-import org.apache.hadoop.ozone.om.helpers.OmBucketInfo;
-import org.apache.hadoop.ozone.OzoneConsts;
+import org.apache.hadoop.ozone.OzoneAcl;
import org.apache.hadoop.ozone.om.exceptions.OMException;
import org.apache.hadoop.ozone.om.exceptions.OMException.ResultCodes;
-import org.apache.hadoop.ozone.OzoneAcl;
+import org.apache.hadoop.ozone.om.helpers.OmBucketArgs;
+import org.apache.hadoop.ozone.om.helpers.OmBucketInfo;
import org.junit.Assert;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
+import org.junit.rules.TemporaryFolder;
import org.junit.runner.RunWith;
-import org.mockito.Mockito;
-import org.mockito.invocation.InvocationOnMock;
import org.mockito.runners.MockitoJUnitRunner;
-import org.mockito.stubbing.Answer;
+import java.io.File;
import java.io.IOException;
-import java.util.Map;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
import java.util.LinkedList;
-import java.util.concurrent.locks.ReadWriteLock;
-import java.util.concurrent.locks.ReentrantReadWriteLock;
-
-import static org.mockito.Mockito.any;
+import java.util.List;
/**
* Tests BucketManagerImpl, mocks OMMetadataManager for testing.
@@ -53,86 +46,35 @@ public class TestBucketManagerImpl {
@Rule
public ExpectedException thrown = ExpectedException.none();
- private OMMetadataManager getMetadataManagerMock(String... volumesToCreate)
- throws IOException {
- OMMetadataManager metadataManager = Mockito.mock(OMMetadataManager.class);
- Map<String, byte[]> metadataDB = new HashMap<>();
- ReadWriteLock lock = new ReentrantReadWriteLock();
-
- Mockito.when(metadataManager.writeLock()).thenReturn(lock.writeLock());
- Mockito.when(metadataManager.readLock()).thenReturn(lock.readLock());
- Mockito.when(metadataManager.getVolumeKey(any(String.class))).thenAnswer(
- (InvocationOnMock invocation) ->
- DFSUtil.string2Bytes(
- OzoneConsts.OM_VOLUME_PREFIX + invocation.getArguments()[0]));
- Mockito.when(metadataManager
- .getBucketKey(any(String.class), any(String.class))).thenAnswer(
- (InvocationOnMock invocation) ->
- DFSUtil.string2Bytes(
- OzoneConsts.OM_VOLUME_PREFIX
- + invocation.getArguments()[0]
- + OzoneConsts.OM_BUCKET_PREFIX
- + invocation.getArguments()[1]));
-
- Mockito.doAnswer(
- new Answer<Boolean>() {
- @Override
- public Boolean answer(InvocationOnMock invocation)
- throws Throwable {
- String keyRootName = OzoneConsts.OM_KEY_PREFIX
- + invocation.getArguments()[0]
- + OzoneConsts.OM_KEY_PREFIX
- + invocation.getArguments()[1]
- + OzoneConsts.OM_KEY_PREFIX;
- Iterator<String> keyIterator = metadataDB.keySet().iterator();
- while(keyIterator.hasNext()) {
- if(keyIterator.next().startsWith(keyRootName)) {
- return false;
- }
- }
- return true;
- }
- }).when(metadataManager).isBucketEmpty(any(String.class),
- any(String.class));
-
- Mockito.doAnswer(
- new Answer<Void>() {
- @Override
- public Void answer(InvocationOnMock invocation) throws Throwable {
- metadataDB.put(DFSUtil.bytes2String(
- (byte[])invocation.getArguments()[0]),
- (byte[])invocation.getArguments()[1]);
- return null;
- }
- }).when(metadataManager).put(any(byte[].class), any(byte[].class));
-
- Mockito.when(metadataManager.get(any(byte[].class))).thenAnswer(
- (InvocationOnMock invocation) ->
- metadataDB.get(DFSUtil.bytes2String(
- (byte[])invocation.getArguments()[0]))
- );
- Mockito.doAnswer(
- new Answer<Void>() {
- @Override
- public Void answer(InvocationOnMock invocation) throws Throwable {
- metadataDB.remove(DFSUtil.bytes2String(
- (byte[])invocation.getArguments()[0]));
- return null;
- }
- }).when(metadataManager).delete(any(byte[].class));
+ @Rule
+ public TemporaryFolder folder = new TemporaryFolder();
- for(String volumeName : volumesToCreate) {
- byte[] dummyVolumeInfo = DFSUtil.string2Bytes(volumeName);
- metadataDB.put(OzoneConsts.OM_VOLUME_PREFIX + volumeName,
- dummyVolumeInfo);
+ private OzoneConfiguration createNewTestPath() throws IOException {
+ OzoneConfiguration conf = new OzoneConfiguration();
+ File newFolder = folder.newFolder();
+ if (!newFolder.exists()) {
+ Assert.assertTrue(newFolder.mkdirs());
}
- return metadataManager;
+ ServerUtils.setOzoneMetaDirPath(conf, newFolder.toString());
+ return conf;
+ }
+
+ private OmMetadataManagerImpl createSampleVol() throws IOException {
+ OzoneConfiguration conf = createNewTestPath();
+ OmMetadataManagerImpl metaMgr = new OmMetadataManagerImpl(conf);
+ byte[] volumeKey = metaMgr.getVolumeKey("sampleVol");
+ // This is a simple hack for testing, we just test if the volume via a
+ // null check, do not parse the value part. So just write some dummy value.
+ metaMgr.getVolumeTable().put(volumeKey, volumeKey);
+ return metaMgr;
}
@Test
- public void testCreateBucketWithoutVolume() throws IOException {
+ public void testCreateBucketWithoutVolume() throws Exception {
thrown.expectMessage("Volume doesn't exist");
- OMMetadataManager metaMgr = getMetadataManagerMock();
+ OzoneConfiguration conf = createNewTestPath();
+ OmMetadataManagerImpl metaMgr =
+ new OmMetadataManagerImpl(conf);
try {
BucketManager bucketManager = new BucketManagerImpl(metaMgr);
OmBucketInfo bucketInfo = OmBucketInfo.newBuilder()
@@ -140,29 +82,35 @@ public class TestBucketManagerImpl {
.setBucketName("bucketOne")
.build();
bucketManager.createBucket(bucketInfo);
- } catch(OMException omEx) {
+ } catch (OMException omEx) {
Assert.assertEquals(ResultCodes.FAILED_VOLUME_NOT_FOUND,
omEx.getResult());
throw omEx;
+ } finally {
+ metaMgr.getStore().close();
}
}
@Test
- public void testCreateBucket() throws IOException {
- OMMetadataManager metaMgr = getMetadataManagerMock("sampleVol");
+ public void testCreateBucket() throws Exception {
+ OmMetadataManagerImpl metaMgr = createSampleVol();
+
BucketManager bucketManager = new BucketManagerImpl(metaMgr);
OmBucketInfo bucketInfo = OmBucketInfo.newBuilder()
.setVolumeName("sampleVol")
.setBucketName("bucketOne")
.build();
bucketManager.createBucket(bucketInfo);
- Assert.assertNotNull(bucketManager.getBucketInfo("sampleVol", "bucketOne"));
+ Assert.assertNotNull(bucketManager.getBucketInfo("sampleVol",
+ "bucketOne"));
+ metaMgr.getStore().close();
}
@Test
- public void testCreateAlreadyExistingBucket() throws IOException {
+ public void testCreateAlreadyExistingBucket() throws Exception {
thrown.expectMessage("Bucket already exist");
- OMMetadataManager metaMgr = getMetadataManagerMock("sampleVol");
+ OmMetadataManagerImpl metaMgr = createSampleVol();
+
try {
BucketManager bucketManager = new BucketManagerImpl(metaMgr);
OmBucketInfo bucketInfo = OmBucketInfo.newBuilder()
@@ -171,30 +119,37 @@ public class TestBucketManagerImpl {
.build();
bucketManager.createBucket(bucketInfo);
bucketManager.createBucket(bucketInfo);
- } catch(OMException omEx) {
+ } catch (OMException omEx) {
Assert.assertEquals(ResultCodes.FAILED_BUCKET_ALREADY_EXISTS,
omEx.getResult());
throw omEx;
+ } finally {
+ metaMgr.getStore().close();
}
}
@Test
- public void testGetBucketInfoForInvalidBucket() throws IOException {
+ public void testGetBucketInfoForInvalidBucket() throws Exception {
thrown.expectMessage("Bucket not found");
+ OmMetadataManagerImpl metaMgr = createSampleVol();
try {
- OMMetadataManager metaMgr = getMetadataManagerMock("sampleVol");
+
+
BucketManager bucketManager = new BucketManagerImpl(metaMgr);
bucketManager.getBucketInfo("sampleVol", "bucketOne");
- } catch(OMException omEx) {
+ } catch (OMException omEx) {
Assert.assertEquals(ResultCodes.FAILED_BUCKET_NOT_FOUND,
omEx.getResult());
throw omEx;
+ } finally {
+ metaMgr.getStore().close();
}
}
@Test
- public void testGetBucketInfo() throws IOException {
- OMMetadataManager metaMgr = getMetadataManagerMock("sampleVol");
+ public void testGetBucketInfo() throws Exception {
+ OmMetadataManagerImpl metaMgr = createSampleVol();
+
BucketManager bucketManager = new BucketManagerImpl(metaMgr);
OmBucketInfo bucketInfo = OmBucketInfo.newBuilder()
.setVolumeName("sampleVol")
@@ -210,11 +165,13 @@ public class TestBucketManagerImpl {
Assert.assertEquals(StorageType.DISK,
result.getStorageType());
Assert.assertEquals(false, result.getIsVersionEnabled());
+ metaMgr.getStore().close();
}
@Test
- public void testSetBucketPropertyAddACL() throws IOException {
- OMMetadataManager metaMgr = getMetadataManagerMock("sampleVol");
+ public void testSetBucketPropertyAddACL() throws Exception {
+ OmMetadataManagerImpl metaMgr = createSampleVol();
+
List<OzoneAcl> acls = new LinkedList<>();
OzoneAcl ozoneAcl = new OzoneAcl(OzoneAcl.OzoneACLType.USER,
"root", OzoneAcl.OzoneACLRights.READ);
@@ -247,11 +204,13 @@ public class TestBucketManagerImpl {
"sampleVol", "bucketOne");
Assert.assertEquals(2, updatedResult.getAcls().size());
Assert.assertTrue(updatedResult.getAcls().contains(newAcl));
+ metaMgr.getStore().close();
}
@Test
- public void testSetBucketPropertyRemoveACL() throws IOException {
- OMMetadataManager metaMgr = getMetadataManagerMock("sampleVol");
+ public void testSetBucketPropertyRemoveACL() throws Exception {
+ OmMetadataManagerImpl metaMgr = createSampleVol();
+
List<OzoneAcl> acls = new LinkedList<>();
OzoneAcl aclOne = new OzoneAcl(OzoneAcl.OzoneACLType.USER,
"root", OzoneAcl.OzoneACLRights.READ);
@@ -283,11 +242,13 @@ public class TestBucketManagerImpl {
"sampleVol", "bucketOne");
Assert.assertEquals(1, updatedResult.getAcls().size());
Assert.assertFalse(updatedResult.getAcls().contains(aclTwo));
+ metaMgr.getStore().close();
}
@Test
- public void testSetBucketPropertyChangeStorageType() throws IOException {
- OMMetadataManager metaMgr = getMetadataManagerMock("sampleVol");
+ public void testSetBucketPropertyChangeStorageType() throws Exception {
+ OmMetadataManagerImpl metaMgr = createSampleVol();
+
BucketManager bucketManager = new BucketManagerImpl(metaMgr);
OmBucketInfo bucketInfo = OmBucketInfo.newBuilder()
.setVolumeName("sampleVol")
@@ -309,11 +270,13 @@ public class TestBucketManagerImpl {
"sampleVol", "bucketOne");
Assert.assertEquals(StorageType.SSD,
updatedResult.getStorageType());
+ metaMgr.getStore().close();
}
@Test
- public void testSetBucketPropertyChangeVersioning() throws IOException {
- OMMetadataManager metaMgr = getMetadataManagerMock("sampleVol");
+ public void testSetBucketPropertyChangeVersioning() throws Exception {
+ OmMetadataManagerImpl metaMgr = createSampleVol();
+
BucketManager bucketManager = new BucketManagerImpl(metaMgr);
OmBucketInfo bucketInfo = OmBucketInfo.newBuilder()
.setVolumeName("sampleVol")
@@ -333,21 +296,22 @@ public class TestBucketManagerImpl {
OmBucketInfo updatedResult = bucketManager.getBucketInfo(
"sampleVol", "bucketOne");
Assert.assertTrue(updatedResult.getIsVersionEnabled());
+ metaMgr.getStore().close();
}
@Test
- public void testDeleteBucket() throws IOException {
+ public void testDeleteBucket() throws Exception {
thrown.expectMessage("Bucket not found");
- OMMetadataManager metaMgr = getMetadataManagerMock("sampleVol");
+ OmMetadataManagerImpl metaMgr = createSampleVol();
BucketManager bucketManager = new BucketManagerImpl(metaMgr);
- for(int i = 0; i < 5; i++) {
+ for (int i = 0; i < 5; i++) {
OmBucketInfo bucketInfo = OmBucketInfo.newBuilder()
.setVolumeName("sampleVol")
.setBucketName("bucket_" + i)
.build();
bucketManager.createBucket(bucketInfo);
}
- for(int i = 0; i < 5; i++) {
+ for (int i = 0; i < 5; i++) {
Assert.assertEquals("bucket_" + i,
bucketManager.getBucketInfo(
"sampleVol", "bucket_" + i).getBucketName());
@@ -356,22 +320,23 @@ public class TestBucketManagerImpl {
bucketManager.deleteBucket("sampleVol", "bucket_1");
Assert.assertNotNull(bucketManager.getBucketInfo(
"sampleVol", "bucket_2"));
- } catch(IOException ex) {
+ } catch (IOException ex) {
Assert.fail(ex.getMessage());
}
try {
bucketManager.getBucketInfo("sampleVol", "bucket_1");
- } catch(OMException omEx) {
+ } catch (OMException omEx) {
Assert.assertEquals(ResultCodes.FAILED_BUCKET_NOT_FOUND,
omEx.getResult());
throw omEx;
}
+ metaMgr.getStore().close();
}
@Test
- public void testDeleteNonEmptyBucket() throws IOException {
+ public void testDeleteNonEmptyBucket() throws Exception {
thrown.expectMessage("Bucket is not empty");
- OMMetadataManager metaMgr = getMetadataManagerMock("sampleVol");
+ OmMetadataManagerImpl metaMgr = createSampleVol();
BucketManager bucketManager = new BucketManagerImpl(metaMgr);
OmBucketInfo bucketInfo = OmBucketInfo.newBuilder()
.setVolumeName("sampleVol")
@@ -379,16 +344,19 @@ public class TestBucketManagerImpl {
.build();
bucketManager.createBucket(bucketInfo);
//Create keys in bucket
- metaMgr.put(DFSUtil.string2Bytes("/sampleVol/bucketOne/key_one"),
+ metaMgr.getKeyTable().put(DFSUtil.string2Bytes("/sampleVol/bucketOne" +
+ "/key_one"),
DFSUtil.string2Bytes("value_one"));
- metaMgr.put(DFSUtil.string2Bytes("/sampleVol/bucketOne/key_two"),
+ metaMgr.getKeyTable().put(DFSUtil.string2Bytes("/sampleVol/bucketOne" +
+ "/key_two"),
DFSUtil.string2Bytes("value_two"));
try {
bucketManager.deleteBucket("sampleVol", "bucketOne");
- } catch(OMException omEx) {
+ } catch (OMException omEx) {
Assert.assertEquals(ResultCodes.FAILED_BUCKET_NOT_EMPTY,
omEx.getResult());
throw omEx;
}
+ metaMgr.getStore().close();
}
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/scm/cli/SQLCLI.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/scm/cli/SQLCLI.java b/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/scm/cli/SQLCLI.java
index 51018a1..080840a 100644
--- a/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/scm/cli/SQLCLI.java
+++ b/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/scm/cli/SQLCLI.java
@@ -57,9 +57,8 @@ import java.sql.Statement;
import static org.apache.hadoop.ozone.OzoneConsts.CONTAINER_DB_SUFFIX;
import static org.apache.hadoop.ozone.OzoneConsts.OM_DB_NAME;
+import static org.apache.hadoop.ozone.OzoneConsts.OM_KEY_PREFIX;
import static org.apache.hadoop.ozone.OzoneConsts.OM_USER_PREFIX;
-import static org.apache.hadoop.ozone.OzoneConsts.OM_BUCKET_PREFIX;
-import static org.apache.hadoop.ozone.OzoneConsts.OM_VOLUME_PREFIX;
import static org.apache.hadoop.ozone.OzoneConsts.OPEN_CONTAINERS_DB;
/**
@@ -412,12 +411,15 @@ public class SQLCLI extends Configured implements Tool {
}
}
+ // TODO: This has to be fixed.
+ // we don't have prefix anymore. now each key is written into different
+ // table. The logic has to be changed.
private KeyType getKeyType(String key) {
if (key.startsWith(OM_USER_PREFIX)) {
return KeyType.USER;
- } else if (key.startsWith(OM_VOLUME_PREFIX)) {
- return key.replaceFirst(OM_VOLUME_PREFIX, "")
- .contains(OM_BUCKET_PREFIX) ? KeyType.BUCKET : KeyType.VOLUME;
+ } else if (key.startsWith(OM_KEY_PREFIX)) {
+ return key.replaceFirst(OM_KEY_PREFIX, "")
+ .contains(OM_KEY_PREFIX) ? KeyType.BUCKET : KeyType.VOLUME;
}else {
return KeyType.KEY;
}
---------------------------------------------------------------------
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[2/2] hadoop git commit: HDDS-357. Use DBStore and TableStore for
OzoneManager non-background service. Contributed by Nandakumar.
Posted by ae...@apache.org.
HDDS-357. Use DBStore and TableStore for OzoneManager non-background service.
Contributed by Nandakumar.
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/ff036e49
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/ff036e49
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/ff036e49
Branch: refs/heads/trunk
Commit: ff036e49ff967d5dacf4b2d9d5376e57578ef391
Parents: eed8415
Author: Anu Engineer <ae...@apache.org>
Authored: Sun Sep 2 11:47:32 2018 -0700
Committer: Anu Engineer <ae...@apache.org>
Committed: Sun Sep 2 11:47:32 2018 -0700
----------------------------------------------------------------------
.../org/apache/hadoop/ozone/OzoneConsts.java | 6 +-
.../org/apache/hadoop/utils/RocksDBStore.java | 2 +-
.../org/apache/hadoop/utils/db/DBStore.java | 22 +
.../org/apache/hadoop/utils/db/RDBStore.java | 26 +-
.../common/src/main/resources/ozone-default.xml | 2 +-
.../apache/hadoop/hdds/server/ServerUtils.java | 5 +
.../ozone/client/io/ChunkGroupOutputStream.java | 4 +-
.../hadoop/ozone/om/helpers/OpenKeySession.java | 6 +-
.../ozone/om/protocol/OzoneManagerProtocol.java | 11 +-
...neManagerProtocolClientSideTranslatorPB.java | 8 +-
.../src/main/proto/OzoneManagerProtocol.proto | 6 +-
.../rpc/TestCloseContainerHandlingByClient.java | 37 +-
.../ozone/client/rpc/TestOzoneRpcClient.java | 4 +
.../apache/hadoop/ozone/om/TestOmSQLCli.java | 7 +-
.../hadoop/ozone/om/TestOzoneManager.java | 37 +-
.../hadoop/ozone/web/client/TestVolume.java | 6 +
.../hadoop/ozone/om/BucketManagerImpl.java | 57 ++-
.../org/apache/hadoop/ozone/om/KeyManager.java | 6 +-
.../apache/hadoop/ozone/om/KeyManagerImpl.java | 276 +++++-----
.../hadoop/ozone/om/OMMetadataManager.java | 222 ++++----
.../hadoop/ozone/om/OmMetadataManagerImpl.java | 509 +++++++++++--------
.../apache/hadoop/ozone/om/OzoneManager.java | 209 ++++----
.../hadoop/ozone/om/VolumeManagerImpl.java | 156 +++---
...neManagerProtocolServerSideTranslatorPB.java | 7 +-
.../hadoop/ozone/om/TestBucketManagerImpl.java | 208 ++++----
.../org/apache/hadoop/ozone/scm/cli/SQLCLI.java | 12 +-
26 files changed, 978 insertions(+), 873 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/OzoneConsts.java
----------------------------------------------------------------------
diff --git a/hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/OzoneConsts.java b/hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/OzoneConsts.java
index 15366fb..8ea4d7f 100644
--- a/hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/OzoneConsts.java
+++ b/hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/OzoneConsts.java
@@ -92,7 +92,6 @@ public final class OzoneConsts {
public static final String CONTAINER_DB_SUFFIX = "container.db";
public static final String SCM_CONTAINER_DB = "scm-" + CONTAINER_DB_SUFFIX;
public static final String DN_CONTAINER_DB = "-dn-"+ CONTAINER_DB_SUFFIX;
- public static final String BLOCK_DB = "block.db";
public static final String OPEN_CONTAINERS_DB = "openContainers.db";
public static final String DELETED_BLOCK_DB = "deletedBlock.db";
public static final String OM_DB_NAME = "om.db";
@@ -113,8 +112,6 @@ public final class OzoneConsts {
public static final String DELETING_KEY_PREFIX = "#deleting#";
public static final String DELETED_KEY_PREFIX = "#deleted#";
public static final String DELETE_TRANSACTION_KEY_PREFIX = "#delTX#";
- public static final String OPEN_KEY_PREFIX = "#open#";
- public static final String OPEN_KEY_ID_DELIMINATOR = "#";
/**
* OM LevelDB prefixes.
@@ -138,8 +135,7 @@ public final class OzoneConsts {
* | #deleting#/volumeName/bucketName/keyName | KeyInfo |
* ----------------------------------------------------------
*/
- public static final String OM_VOLUME_PREFIX = "/#";
- public static final String OM_BUCKET_PREFIX = "/#";
+
public static final String OM_KEY_PREFIX = "/";
public static final String OM_USER_PREFIX = "$";
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/RocksDBStore.java
----------------------------------------------------------------------
diff --git a/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/RocksDBStore.java b/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/RocksDBStore.java
index b243e3d..379d9e9 100644
--- a/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/RocksDBStore.java
+++ b/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/RocksDBStore.java
@@ -94,7 +94,7 @@ public class RocksDBStore implements MetadataStore {
}
}
- private IOException toIOException(String msg, RocksDBException e) {
+ public static IOException toIOException(String msg, RocksDBException e) {
String statusCode = e.getStatus() == null ? "N/A" :
e.getStatus().getCodeString();
String errMessage = e.getMessage() == null ? "Unknown error" :
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/DBStore.java
----------------------------------------------------------------------
diff --git a/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/DBStore.java b/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/DBStore.java
index a817f4f..6947a83 100644
--- a/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/DBStore.java
+++ b/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/DBStore.java
@@ -20,6 +20,7 @@
package org.apache.hadoop.utils.db;
import org.apache.hadoop.classification.InterfaceStability;
+import org.rocksdb.WriteBatch;
import java.io.IOException;
import java.util.ArrayList;
@@ -83,11 +84,32 @@ public interface DBStore extends AutoCloseable {
throws IOException;
/**
+ * Moves a key from the Source Table to the destination Table and updates the
+ * destination with the new key name and value.
+ * This is similar to deleting an entry in one table and adding an entry in
+ * another table, here it is done atomically.
+ *
+ * @param sourceKey - Key to move.
+ * @param destKey - Destination key name.
+ * @param value - new value to write to the destination table.
+ * @param source - Source Table.
+ * @param dest - Destination Table.
+ * @throws IOException on Failure
+ */
+ void move(byte[] sourceKey, byte[] destKey, byte[] value,
+ Table source, Table dest) throws IOException;
+
+ /**
* Returns an estimated count of keys in this DB.
*
* @return long, estimate of keys in the DB.
*/
long getEstimatedKeyCount() throws IOException;
+ /**
+ * Writes a transaction into the DB using the default write Options.
+ * @param batch - Batch to write.
+ */
+ void write(WriteBatch batch) throws IOException;
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/RDBStore.java
----------------------------------------------------------------------
diff --git a/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/RDBStore.java b/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/RDBStore.java
index 85508d5..5078b3e 100644
--- a/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/RDBStore.java
+++ b/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/RDBStore.java
@@ -189,9 +189,16 @@ public class RDBStore implements DBStore {
}
}
+
@Override
public void move(byte[] key, byte[] value, Table source,
Table dest) throws IOException {
+ move(key, key, value, source, dest);
+ }
+
+ @Override
+ public void move(byte[] sourceKey, byte[] destKey, byte[] value, Table source,
+ Table dest) throws IOException {
RDBTable sourceTable;
RDBTable destTable;
if (source instanceof RDBTable) {
@@ -210,13 +217,13 @@ public class RDBStore implements DBStore {
+ "RocksDBTable.");
}
try (WriteBatch batch = new WriteBatch()) {
- batch.put(destTable.getHandle(), key, value);
- batch.delete(sourceTable.getHandle(), key);
+ batch.put(destTable.getHandle(), destKey, value);
+ batch.delete(sourceTable.getHandle(), sourceKey);
db.write(writeOptions, batch);
} catch (RocksDBException rockdbException) {
- LOG.error("Move of key failed. Key:{}", DFSUtil.bytes2String(key));
- throw toIOException("Unable to move key: " + DFSUtil.bytes2String(key),
- rockdbException);
+ LOG.error("Move of key failed. Key:{}", DFSUtil.bytes2String(sourceKey));
+ throw toIOException("Unable to move key: " +
+ DFSUtil.bytes2String(sourceKey), rockdbException);
}
}
@@ -229,6 +236,15 @@ public class RDBStore implements DBStore {
}
}
+ @Override
+ public void write(WriteBatch batch) throws IOException {
+ try {
+ db.write(writeOptions, batch);
+ } catch (RocksDBException e) {
+ throw toIOException("Unable to write the batch.", e);
+ }
+ }
+
@VisibleForTesting
protected ObjectName getStatMBeanName() {
return statMBeanName;
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-hdds/common/src/main/resources/ozone-default.xml
----------------------------------------------------------------------
diff --git a/hadoop-hdds/common/src/main/resources/ozone-default.xml b/hadoop-hdds/common/src/main/resources/ozone-default.xml
index d3ec4a5..6f296c6 100644
--- a/hadoop-hdds/common/src/main/resources/ozone-default.xml
+++ b/hadoop-hdds/common/src/main/resources/ozone-default.xml
@@ -1101,7 +1101,7 @@
<property>
<name>hdds.db.profile</name>
- <value>DBProfile.SSD</value>
+ <value>SSD</value>
<tag>OZONE, OM, PERFORMANCE, REQUIRED</tag>
<description>This property allows user to pick a configuration
that tunes the RocksDB settings for the hardware it is running
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/server/ServerUtils.java
----------------------------------------------------------------------
diff --git a/hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/server/ServerUtils.java b/hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/server/ServerUtils.java
index a0e78dc..c6d85d8 100644
--- a/hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/server/ServerUtils.java
+++ b/hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/server/ServerUtils.java
@@ -136,4 +136,9 @@ public final class ServerUtils {
return dirPath;
}
+ public static void setOzoneMetaDirPath(OzoneConfiguration conf,
+ String path) {
+ conf.set(OzoneConfigKeys.OZONE_METADATA_DIRS, path);
+ }
+
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/io/ChunkGroupOutputStream.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/io/ChunkGroupOutputStream.java b/hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/io/ChunkGroupOutputStream.java
index 00624d5..c632df6 100644
--- a/hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/io/ChunkGroupOutputStream.java
+++ b/hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/io/ChunkGroupOutputStream.java
@@ -74,7 +74,7 @@ public class ChunkGroupOutputStream extends OutputStream {
private final
StorageContainerLocationProtocolClientSideTranslatorPB scmClient;
private final OmKeyArgs keyArgs;
- private final int openID;
+ private final long openID;
private final XceiverClientManager xceiverClientManager;
private final int chunkSize;
private final String requestID;
@@ -115,7 +115,7 @@ public class ChunkGroupOutputStream extends OutputStream {
}
@VisibleForTesting
- public int getOpenID() {
+ public long getOpenID() {
return openID;
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/OpenKeySession.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/OpenKeySession.java b/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/OpenKeySession.java
index bc364e6..11ee622 100644
--- a/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/OpenKeySession.java
+++ b/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/OpenKeySession.java
@@ -23,14 +23,14 @@ package org.apache.hadoop.ozone.om.helpers;
* that servers can recognize this client, and thus know how to close the key.
*/
public class OpenKeySession {
- private final int id;
+ private final long id;
private final OmKeyInfo keyInfo;
// the version of the key when it is being opened in this session.
// a block that has a create version equals to open version means it will
// be committed only when this open session is closed.
private long openVersion;
- public OpenKeySession(int id, OmKeyInfo info, long version) {
+ public OpenKeySession(long id, OmKeyInfo info, long version) {
this.id = id;
this.keyInfo = info;
this.openVersion = version;
@@ -44,7 +44,7 @@ public class OpenKeySession {
return keyInfo;
}
- public int getId() {
+ public long getId() {
return id;
}
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/protocol/OzoneManagerProtocol.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/protocol/OzoneManagerProtocol.java b/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/protocol/OzoneManagerProtocol.java
index b7a099d..edb260a 100644
--- a/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/protocol/OzoneManagerProtocol.java
+++ b/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/protocol/OzoneManagerProtocol.java
@@ -148,7 +148,7 @@ public interface OzoneManagerProtocol {
* @param clientID the client identification
* @throws IOException
*/
- void commitKey(OmKeyArgs args, int clientID) throws IOException;
+ void commitKey(OmKeyArgs args, long clientID) throws IOException;
/**
* Allocate a new block, it is assumed that the client is having an open key
@@ -159,7 +159,7 @@ public interface OzoneManagerProtocol {
* @return an allocated block
* @throws IOException
*/
- OmKeyLocationInfo allocateBlock(OmKeyArgs args, int clientID)
+ OmKeyLocationInfo allocateBlock(OmKeyArgs args, long clientID)
throws IOException;
/**
@@ -172,9 +172,10 @@ public interface OzoneManagerProtocol {
OmKeyInfo lookupKey(OmKeyArgs args) throws IOException;
/**
- * Rename an existing key within a bucket
+ * Rename an existing key within a bucket.
* @param args the args of the key.
* @param toKeyName New name to be used for the Key
+ * @throws IOException
*/
void renameKey(OmKeyArgs args, String toKeyName) throws IOException;
@@ -214,7 +215,7 @@ public interface OzoneManagerProtocol {
* @throws IOException
*/
List<OmBucketInfo> listBuckets(String volumeName,
- String startBucketName, String bucketPrefix, int maxNumOfBuckets)
+ String startBucketName, String bucketPrefix, int maxNumOfBuckets)
throws IOException;
/**
@@ -239,7 +240,7 @@ public interface OzoneManagerProtocol {
* @throws IOException
*/
List<OmKeyInfo> listKeys(String volumeName,
- String bucketName, String startKeyName, String keyPrefix, int maxKeys)
+ String bucketName, String startKeyName, String keyPrefix, int maxKeys)
throws IOException;
/**
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/protocolPB/OzoneManagerProtocolClientSideTranslatorPB.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/protocolPB/OzoneManagerProtocolClientSideTranslatorPB.java b/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/protocolPB/OzoneManagerProtocolClientSideTranslatorPB.java
index e557ac5..c0829fa 100644
--- a/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/protocolPB/OzoneManagerProtocolClientSideTranslatorPB.java
+++ b/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/protocolPB/OzoneManagerProtocolClientSideTranslatorPB.java
@@ -488,7 +488,7 @@ public final class OzoneManagerProtocolClientSideTranslatorPB
*/
@Override
public List<OmBucketInfo> listBuckets(String volumeName,
- String startKey, String prefix, int count) throws IOException {
+ String startKey, String prefix, int count) throws IOException {
List<OmBucketInfo> buckets = new ArrayList<>();
ListBucketsRequest.Builder reqBuilder = ListBucketsRequest.newBuilder();
reqBuilder.setVolumeName(volumeName);
@@ -554,7 +554,7 @@ public final class OzoneManagerProtocolClientSideTranslatorPB
}
@Override
- public OmKeyLocationInfo allocateBlock(OmKeyArgs args, int clientID)
+ public OmKeyLocationInfo allocateBlock(OmKeyArgs args, long clientID)
throws IOException {
AllocateBlockRequest.Builder req = AllocateBlockRequest.newBuilder();
KeyArgs keyArgs = KeyArgs.newBuilder()
@@ -579,7 +579,7 @@ public final class OzoneManagerProtocolClientSideTranslatorPB
}
@Override
- public void commitKey(OmKeyArgs args, int clientID)
+ public void commitKey(OmKeyArgs args, long clientID)
throws IOException {
CommitKeyRequest.Builder req = CommitKeyRequest.newBuilder();
List<OmKeyLocationInfo> locationInfoList = args.getLocationInfoList();
@@ -708,7 +708,7 @@ public final class OzoneManagerProtocolClientSideTranslatorPB
*/
@Override
public List<OmKeyInfo> listKeys(String volumeName, String bucketName,
- String startKey, String prefix, int maxKeys) throws IOException {
+ String startKey, String prefix, int maxKeys) throws IOException {
List<OmKeyInfo> keys = new ArrayList<>();
ListKeysRequest.Builder reqBuilder = ListKeysRequest.newBuilder();
reqBuilder.setVolumeName(volumeName);
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/common/src/main/proto/OzoneManagerProtocol.proto
----------------------------------------------------------------------
diff --git a/hadoop-ozone/common/src/main/proto/OzoneManagerProtocol.proto b/hadoop-ozone/common/src/main/proto/OzoneManagerProtocol.proto
index 51a0a7f..242e3b5 100644
--- a/hadoop-ozone/common/src/main/proto/OzoneManagerProtocol.proto
+++ b/hadoop-ozone/common/src/main/proto/OzoneManagerProtocol.proto
@@ -273,7 +273,7 @@ message LocateKeyResponse {
optional KeyInfo keyInfo = 2;
// clients' followup request may carry this ID for stateful operations (similar
// to a cookie).
- optional uint32 ID = 3;
+ optional uint64 ID = 3;
// TODO : allow specifiying a particular version to read.
optional uint64 openVersion = 4;
}
@@ -319,7 +319,7 @@ message ListKeysResponse {
message AllocateBlockRequest {
required KeyArgs keyArgs = 1;
- required uint32 clientID = 2;
+ required uint64 clientID = 2;
}
message AllocateBlockResponse {
@@ -329,7 +329,7 @@ message AllocateBlockResponse {
message CommitKeyRequest {
required KeyArgs keyArgs = 1;
- required uint32 clientID = 2;
+ required uint64 clientID = 2;
}
message CommitKeyResponse {
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestCloseContainerHandlingByClient.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestCloseContainerHandlingByClient.java b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestCloseContainerHandlingByClient.java
index ffdba7e..50d7ec5 100644
--- a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestCloseContainerHandlingByClient.java
+++ b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestCloseContainerHandlingByClient.java
@@ -1,19 +1,18 @@
/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with this
+ * work for additional information regarding copyright ownership. The ASF
+ * licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
*/
package org.apache.hadoop.ozone.client.rpc;
@@ -69,7 +68,6 @@ public class TestCloseContainerHandlingByClient {
private static String bucketName;
private static String keyString;
-
/**
* Create a MiniDFSCluster for testing.
* <p>
@@ -80,7 +78,7 @@ public class TestCloseContainerHandlingByClient {
@BeforeClass
public static void init() throws Exception {
conf = new OzoneConfiguration();
- chunkSize = (int)OzoneConsts.MB;
+ chunkSize = (int) OzoneConsts.MB;
blockSize = 4 * chunkSize;
conf.setInt(ScmConfigKeys.OZONE_SCM_CHUNK_SIZE_KEY, chunkSize);
conf.setLong(OzoneConfigKeys.OZONE_SCM_BLOCK_SIZE_IN_MB, (4));
@@ -108,7 +106,7 @@ public class TestCloseContainerHandlingByClient {
}
private static String fixedLengthString(String string, int length) {
- return String.format("%1$"+length+ "s", string);
+ return String.format("%1$" + length + "s", string);
}
@Test
@@ -288,13 +286,13 @@ public class TestCloseContainerHandlingByClient {
ChunkGroupOutputStream groupOutputStream =
(ChunkGroupOutputStream) outputStream.getOutputStream();
- int clientId = groupOutputStream.getOpenID();
+ long clientId = groupOutputStream.getOpenID();
OMMetadataManager metadataManager =
cluster.getOzoneManager().getMetadataManager();
- String objectKey =
- metadataManager.getKeyWithDBPrefix(volumeName, bucketName, keyName);
- byte[] openKey = metadataManager.getOpenKeyNameBytes(objectKey, clientId);
- byte[] openKeyData = metadataManager.get(openKey);
+ byte[] openKey =
+ metadataManager.getOpenKeyBytes(
+ volumeName, bucketName, keyName, clientId);
+ byte[] openKeyData = metadataManager.getOpenKeyTable().get(openKey);
OmKeyInfo keyInfo = OmKeyInfo.getFromProtobuf(
OzoneManagerProtocolProtos.KeyInfo.parseFrom(openKeyData));
List<OmKeyLocationInfo> locationInfoList =
@@ -361,7 +359,6 @@ public class TestCloseContainerHandlingByClient {
is.close();
}
-
@Test
public void testBlockWriteViaRatis() throws Exception {
String keyName = "ratis";
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneRpcClient.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneRpcClient.java b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneRpcClient.java
index 45b3843..f8ad32e 100644
--- a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneRpcClient.java
+++ b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneRpcClient.java
@@ -51,6 +51,7 @@ import org.apache.hadoop.util.Time;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
+import org.junit.Ignore;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
@@ -601,6 +602,9 @@ public class TestOzoneRpcClient {
Assert.assertEquals(toKeyName, key.getName());
}
+ // Listing all volumes in the cluster feature has to be fixed after HDDS-357.
+ // TODO: fix this
+ @Ignore
@Test
public void testListVolume() throws IOException, OzoneException {
String volBase = "vol-" + RandomStringUtils.randomNumeric(3);
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmSQLCli.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmSQLCli.java b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmSQLCli.java
index ab26c00..a3ff6c8 100644
--- a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmSQLCli.java
+++ b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmSQLCli.java
@@ -30,6 +30,7 @@ import org.apache.hadoop.ozone.web.utils.OzoneUtils;
import org.apache.hadoop.test.GenericTestUtils;
import org.junit.After;
import org.junit.Before;
+import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
@@ -82,7 +83,8 @@ public class TestOmSQLCli {
@Parameterized.Parameters
public static Collection<Object[]> data() {
return Arrays.asList(new Object[][] {
- {OzoneConfigKeys.OZONE_METADATA_STORE_IMPL_LEVELDB},
+ // Uncomment the below line if we support leveldb in future.
+ //{OzoneConfigKeys.OZONE_METADATA_STORE_IMPL_LEVELDB},
{OzoneConfigKeys.OZONE_METADATA_STORE_IMPL_ROCKSDB}
});
}
@@ -161,6 +163,9 @@ public class TestOmSQLCli {
}
}
+ // After HDDS-357, we have to fix SQLCli.
+ // TODO: fix SQLCli
+ @Ignore
@Test
public void testOmDB() throws Exception {
String dbOutPath = GenericTestUtils.getTempPath(
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManager.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManager.java b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManager.java
index 4908c4d..b6ade60 100644
--- a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManager.java
+++ b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManager.java
@@ -56,8 +56,8 @@ import org.apache.hadoop.ozone.web.response.ListBuckets;
import org.apache.hadoop.ozone.web.response.ListKeys;
import org.apache.hadoop.ozone.web.response.ListVolumes;
import org.apache.hadoop.util.Time;
-import org.apache.hadoop.utils.MetadataKeyFilters;
-import org.apache.hadoop.utils.MetadataStore;
+import org.apache.hadoop.utils.db.Table;
+import org.apache.hadoop.utils.db.TableIterator;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
@@ -75,7 +75,6 @@ import java.nio.file.Paths;
import java.net.InetSocketAddress;
import java.text.ParseException;
import java.util.LinkedList;
-import java.util.Map;
import java.util.Random;
import java.util.Set;
import java.util.List;
@@ -83,8 +82,8 @@ import java.util.UUID;
import java.util.stream.Collectors;
import java.util.stream.Stream;
-import static org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_OPEN_KEY_EXPIRE_THRESHOLD_SECONDS;
-import static org.apache.hadoop.ozone.OzoneConsts.DELETING_KEY_PREFIX;
+import static org.apache.hadoop.ozone.OzoneConfigKeys
+ .OZONE_OPEN_KEY_EXPIRE_THRESHOLD_SECONDS;
import static org.apache.hadoop.ozone.om.OMConfigKeys.OZONE_OM_ADDRESS_KEY;
import static org.apache.hadoop.hdds.scm.ScmConfigKeys
.OZONE_SCM_CLIENT_ADDRESS_KEY;
@@ -631,13 +630,16 @@ public class TestOzoneManager {
storageHandler.deleteKey(keyArgs);
Assert.assertEquals(1 + numKeyDeletes, omMetrics.getNumKeyDeletes());
- // Make sure the deleted key has been renamed.
- MetadataStore store = cluster.getOzoneManager().
- getMetadataManager().getStore();
- List<Map.Entry<byte[], byte[]>> list = store.getRangeKVs(null, 10,
- new MetadataKeyFilters.KeyPrefixFilter()
- .addFilter(DELETING_KEY_PREFIX));
- Assert.assertEquals(1, list.size());
+ // Make sure the deleted key has been moved to the deleted table.
+ OMMetadataManager manager = cluster.getOzoneManager().
+ getMetadataManager();
+
+ try(TableIterator<Table.KeyValue> iter =
+ manager.getDeletedTable().iterator()) {
+ iter.seekToFirst();
+ Table.KeyValue kv = iter.next();
+ Assert.assertNotNull(kv);
+ }
// Delete the key again to test deleting non-existing key.
try {
@@ -1016,13 +1018,14 @@ public class TestOzoneManager {
storageHandler.createVolume(createVolumeArgs);
}
- // Test list all volumes
+ // Test list all volumes - Removed Support for this operation for time
+ // being. TODO: we will need to bring this back if needed.
UserArgs userArgs0 = new UserArgs(user0, OzoneUtils.getRequestID(),
null, null, null, null);
- listVolumeArgs = new ListArgs(userArgs0, "Vol-testListVolumes", 100, null);
- listVolumeArgs.setRootScan(true);
- volumes = storageHandler.listVolumes(listVolumeArgs);
- Assert.assertEquals(20, volumes.getVolumes().size());
+ //listVolumeArgs = new ListArgs(userArgs0,"Vol-testListVolumes", 100, null);
+ // listVolumeArgs.setRootScan(true);
+ // volumes = storageHandler.listVolumes(listVolumeArgs);
+ // Assert.assertEquals(20, volumes.getVolumes().size());
// Test list all volumes belongs to an user
listVolumeArgs = new ListArgs(userArgs0, null, 100, null);
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/web/client/TestVolume.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/web/client/TestVolume.java b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/web/client/TestVolume.java
index 31f9214..3765bc8 100644
--- a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/web/client/TestVolume.java
+++ b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/web/client/TestVolume.java
@@ -221,6 +221,9 @@ public class TestVolume {
assertTrue(newVol.getCreationTime() > 0);
}
+ // Listing all volumes in the cluster feature has to be fixed after HDDS-357.
+ // TODO: fix this
+ @Ignore
@Test
public void testListVolume() throws OzoneException, IOException {
runTestListVolume(client);
@@ -305,6 +308,9 @@ public class TestVolume {
assertEquals(volCount / step, pagecount);
}
+ // Listing all volumes in the cluster feature has to be fixed after HDDS-357.
+ // TODO: fix this
+ @Ignore
@Test
public void testListVolumes() throws Exception {
runTestListVolumes(client);
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/BucketManagerImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/BucketManagerImpl.java b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/BucketManagerImpl.java
index 4bbce81..d54addd 100644
--- a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/BucketManagerImpl.java
+++ b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/BucketManagerImpl.java
@@ -18,12 +18,11 @@ package org.apache.hadoop.ozone.om;
import com.google.common.base.Preconditions;
import org.apache.hadoop.fs.StorageType;
+import org.apache.hadoop.ozone.OzoneAcl;
+import org.apache.hadoop.ozone.om.exceptions.OMException;
import org.apache.hadoop.ozone.om.helpers.OmBucketArgs;
import org.apache.hadoop.ozone.om.helpers.OmBucketInfo;
-import org.apache.hadoop.ozone.om.exceptions.OMException;
-import org.apache.hadoop.ozone.protocol.proto
- .OzoneManagerProtocolProtos.BucketInfo;
-import org.apache.hadoop.ozone.OzoneAcl;
+import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.BucketInfo;
import org.apache.hadoop.util.Time;
import org.iq80.leveldb.DBException;
import org.slf4j.Logger;
@@ -46,9 +45,10 @@ public class BucketManagerImpl implements BucketManager {
/**
* Constructs BucketManager.
+ *
* @param metadataManager
*/
- public BucketManagerImpl(OMMetadataManager metadataManager){
+ public BucketManagerImpl(OMMetadataManager metadataManager) {
this.metadataManager = metadataManager;
}
@@ -73,6 +73,7 @@ public class BucketManagerImpl implements BucketManager {
/**
* Creates a bucket.
+ *
* @param bucketInfo - OmBucketInfo.
*/
@Override
@@ -86,13 +87,13 @@ public class BucketManagerImpl implements BucketManager {
byte[] bucketKey = metadataManager.getBucketKey(volumeName, bucketName);
//Check if the volume exists
- if (metadataManager.get(volumeKey) == null) {
+ if (metadataManager.getVolumeTable().get(volumeKey) == null) {
LOG.debug("volume: {} not found ", volumeName);
throw new OMException("Volume doesn't exist",
OMException.ResultCodes.FAILED_VOLUME_NOT_FOUND);
}
//Check if bucket already exists
- if (metadataManager.get(bucketKey) != null) {
+ if (metadataManager.getBucketTable().get(bucketKey) != null) {
LOG.debug("bucket: {} already exists ", bucketName);
throw new OMException("Bucket already exist",
OMException.ResultCodes.FAILED_BUCKET_ALREADY_EXISTS);
@@ -106,7 +107,8 @@ public class BucketManagerImpl implements BucketManager {
.setIsVersionEnabled(bucketInfo.getIsVersionEnabled())
.setCreationTime(Time.now())
.build();
- metadataManager.put(bucketKey, omBucketInfo.getProtobuf().toByteArray());
+ metadataManager.getBucketTable().put(bucketKey,
+ omBucketInfo.getProtobuf().toByteArray());
LOG.debug("created bucket: {} in volume: {}", bucketName, volumeName);
} catch (IOException | DBException ex) {
@@ -134,7 +136,7 @@ public class BucketManagerImpl implements BucketManager {
metadataManager.readLock().lock();
try {
byte[] bucketKey = metadataManager.getBucketKey(volumeName, bucketName);
- byte[] value = metadataManager.get(bucketKey);
+ byte[] value = metadataManager.getBucketTable().get(bucketKey);
if (value == null) {
LOG.debug("bucket: {} not found in volume: {}.", bucketName,
volumeName);
@@ -155,8 +157,9 @@ public class BucketManagerImpl implements BucketManager {
/**
* Sets bucket property from args.
+ *
* @param args - BucketArgs.
- * @throws IOException
+ * @throws IOException - On Failure.
*/
@Override
public void setBucketProperty(OmBucketArgs args) throws IOException {
@@ -167,15 +170,15 @@ public class BucketManagerImpl implements BucketManager {
try {
byte[] bucketKey = metadataManager.getBucketKey(volumeName, bucketName);
//Check if volume exists
- if(metadataManager.get(metadataManager.getVolumeKey(volumeName)) ==
- null) {
+ if (metadataManager.getVolumeTable()
+ .get(metadataManager.getVolumeKey(volumeName)) == null) {
LOG.debug("volume: {} not found ", volumeName);
throw new OMException("Volume doesn't exist",
OMException.ResultCodes.FAILED_VOLUME_NOT_FOUND);
}
- byte[] value = metadataManager.get(bucketKey);
+ byte[] value = metadataManager.getBucketTable().get(bucketKey);
//Check if bucket exist
- if(value == null) {
+ if (value == null) {
LOG.debug("bucket: {} not found ", bucketName);
throw new OMException("Bucket doesn't exist",
OMException.ResultCodes.FAILED_BUCKET_NOT_FOUND);
@@ -187,7 +190,7 @@ public class BucketManagerImpl implements BucketManager {
.setBucketName(oldBucketInfo.getBucketName());
//Check ACLs to update
- if(args.getAddAcls() != null || args.getRemoveAcls() != null) {
+ if (args.getAddAcls() != null || args.getRemoveAcls() != null) {
bucketInfoBuilder.setAcls(getUpdatedAclList(oldBucketInfo.getAcls(),
args.getRemoveAcls(), args.getAddAcls()));
LOG.debug("Updating ACLs for bucket: {} in volume: {}",
@@ -218,7 +221,7 @@ public class BucketManagerImpl implements BucketManager {
}
bucketInfoBuilder.setCreationTime(oldBucketInfo.getCreationTime());
- metadataManager.put(bucketKey,
+ metadataManager.getBucketTable().put(bucketKey,
bucketInfoBuilder.build().getProtobuf().toByteArray());
} catch (IOException | DBException ex) {
if (!(ex instanceof OMException)) {
@@ -242,10 +245,10 @@ public class BucketManagerImpl implements BucketManager {
*/
private List<OzoneAcl> getUpdatedAclList(List<OzoneAcl> existingAcls,
List<OzoneAcl> removeAcls, List<OzoneAcl> addAcls) {
- if(removeAcls != null && !removeAcls.isEmpty()) {
+ if (removeAcls != null && !removeAcls.isEmpty()) {
existingAcls.removeAll(removeAcls);
}
- if(addAcls != null && !addAcls.isEmpty()) {
+ if (addAcls != null && !addAcls.isEmpty()) {
addAcls.stream().filter(acl -> !existingAcls.contains(acl)).forEach(
existingAcls::add);
}
@@ -254,9 +257,10 @@ public class BucketManagerImpl implements BucketManager {
/**
* Deletes an existing empty bucket from volume.
+ *
* @param volumeName - Name of the volume.
* @param bucketName - Name of the bucket.
- * @throws IOException
+ * @throws IOException - on Failure.
*/
public void deleteBucket(String volumeName, String bucketName)
throws IOException {
@@ -264,16 +268,17 @@ public class BucketManagerImpl implements BucketManager {
Preconditions.checkNotNull(bucketName);
metadataManager.writeLock().lock();
try {
- byte[] bucketKey = metadataManager.getBucketKey(volumeName, bucketName);
//Check if volume exists
- if (metadataManager.get(metadataManager.getVolumeKey(volumeName))
- == null) {
+ if (metadataManager.getVolumeTable()
+ .get(metadataManager.getVolumeKey(volumeName)) == null) {
LOG.debug("volume: {} not found ", volumeName);
throw new OMException("Volume doesn't exist",
OMException.ResultCodes.FAILED_VOLUME_NOT_FOUND);
}
- //Check if bucket exist
- if (metadataManager.get(bucketKey) == null) {
+
+ //Check if bucket exists
+ byte[] bucketKey = metadataManager.getBucketKey(volumeName, bucketName);
+ if (metadataManager.getBucketTable().get(bucketKey) == null) {
LOG.debug("bucket: {} not found ", bucketName);
throw new OMException("Bucket doesn't exist",
OMException.ResultCodes.FAILED_BUCKET_NOT_FOUND);
@@ -284,7 +289,7 @@ public class BucketManagerImpl implements BucketManager {
throw new OMException("Bucket is not empty",
OMException.ResultCodes.FAILED_BUCKET_NOT_EMPTY);
}
- metadataManager.delete(bucketKey);
+ metadataManager.getBucketTable().delete(bucketKey);
} catch (IOException ex) {
if (!(ex instanceof OMException)) {
LOG.error("Delete bucket failed for bucket:{} in volume:{}", bucketName,
@@ -301,7 +306,7 @@ public class BucketManagerImpl implements BucketManager {
*/
@Override
public List<OmBucketInfo> listBuckets(String volumeName,
- String startBucket, String bucketPrefix, int maxNumOfBuckets)
+ String startBucket, String bucketPrefix, int maxNumOfBuckets)
throws IOException {
Preconditions.checkNotNull(volumeName);
metadataManager.readLock().lock();
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManager.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManager.java b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManager.java
index 226c07d..a512d7b 100644
--- a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManager.java
+++ b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManager.java
@@ -49,7 +49,7 @@ public interface KeyManager {
* @param clientID the client that is committing.
* @throws IOException
*/
- void commitKey(OmKeyArgs args, int clientID) throws IOException;
+ void commitKey(OmKeyArgs args, long clientID) throws IOException;
/**
* A client calls this on an open key, to request to allocate a new block,
@@ -60,7 +60,7 @@ public interface KeyManager {
* @return the reference to the new block.
* @throws IOException
*/
- OmKeyLocationInfo allocateBlock(OmKeyArgs args, int clientID)
+ OmKeyLocationInfo allocateBlock(OmKeyArgs args, long clientID)
throws IOException;
/**
* Given the args of a key to put, write an open key entry to meta data.
@@ -128,7 +128,7 @@ public interface KeyManager {
* @throws IOException
*/
List<OmKeyInfo> listKeys(String volumeName,
- String bucketName, String startKey, String keyPrefix, int maxKeys)
+ String bucketName, String startKey, String keyPrefix, int maxKeys)
throws IOException;
/**
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManagerImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManagerImpl.java b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManagerImpl.java
index d0561d6..d585523 100644
--- a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManagerImpl.java
+++ b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManagerImpl.java
@@ -17,24 +17,25 @@
package org.apache.hadoop.ozone.om;
import com.google.common.base.Preconditions;
-import org.apache.hadoop.ozone.OzoneConsts;
+import org.apache.hadoop.hdds.conf.OzoneConfiguration;
+import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationFactor;
+import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationType;
+import org.apache.hadoop.hdds.scm.container.common.helpers.AllocatedBlock;
+import org.apache.hadoop.hdds.scm.protocol.ScmBlockLocationProtocol;
import org.apache.hadoop.hdfs.DFSUtil;
-import org.apache.hadoop.ozone.om.helpers.OmKeyArgs;
+import org.apache.hadoop.ozone.OzoneConsts;
import org.apache.hadoop.ozone.common.BlockGroup;
-import org.apache.hadoop.ozone.om.helpers.OmKeyInfo;
-import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfo;
-import org.apache.hadoop.hdds.conf.OzoneConfiguration;
import org.apache.hadoop.ozone.om.exceptions.OMException;
import org.apache.hadoop.ozone.om.exceptions.OMException.ResultCodes;
+import org.apache.hadoop.ozone.om.helpers.OmKeyArgs;
+import org.apache.hadoop.ozone.om.helpers.OmKeyInfo;
+import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfo;
import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfoGroup;
import org.apache.hadoop.ozone.om.helpers.OpenKeySession;
-import org.apache.hadoop.ozone.protocol.proto
- .OzoneManagerProtocolProtos.KeyInfo;
-import org.apache.hadoop.hdds.scm.container.common.helpers.AllocatedBlock;
-import org.apache.hadoop.hdds.scm.protocol.ScmBlockLocationProtocol;
+import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.KeyInfo;
import org.apache.hadoop.util.Time;
-import org.apache.hadoop.utils.BatchOperation;
-import org.iq80.leveldb.DBException;
+import org.rocksdb.RocksDBException;
+import org.rocksdb.WriteBatch;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -42,25 +43,13 @@ import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
-import java.util.Random;
-
-import static org.apache.hadoop.ozone
- .OzoneConfigKeys.DFS_CONTAINER_RATIS_ENABLED_DEFAULT;
-import static org.apache.hadoop.ozone
- .OzoneConfigKeys.DFS_CONTAINER_RATIS_ENABLED_KEY;
-import static org.apache.hadoop.ozone
- .OzoneConfigKeys.OZONE_KEY_PREALLOCATION_MAXSIZE;
-import static org.apache.hadoop.ozone
- .OzoneConfigKeys.OZONE_KEY_PREALLOCATION_MAXSIZE_DEFAULT;
-import static org.apache.hadoop.ozone
- .OzoneConfigKeys.OZONE_SCM_BLOCK_SIZE_DEFAULT;
-import static org.apache.hadoop.ozone
- .OzoneConfigKeys.OZONE_SCM_BLOCK_SIZE_IN_MB;
-import org.apache.hadoop.hdds.protocol
- .proto.HddsProtos.ReplicationType;
-import org.apache.hadoop.hdds.protocol
- .proto.HddsProtos.ReplicationFactor;
+import static org.apache.hadoop.ozone.OzoneConfigKeys.DFS_CONTAINER_RATIS_ENABLED_DEFAULT;
+import static org.apache.hadoop.ozone.OzoneConfigKeys.DFS_CONTAINER_RATIS_ENABLED_KEY;
+import static org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_KEY_PREALLOCATION_MAXSIZE;
+import static org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_KEY_PREALLOCATION_MAXSIZE_DEFAULT;
+import static org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_SCM_BLOCK_SIZE_DEFAULT;
+import static org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_SCM_BLOCK_SIZE_IN_MB;
/**
* Implementation of keyManager.
@@ -78,13 +67,12 @@ public class KeyManagerImpl implements KeyManager {
private final boolean useRatis;
private final long preallocateMax;
- private final Random random;
private final String omId;
public KeyManagerImpl(ScmBlockLocationProtocol scmBlockClient,
- OMMetadataManager metadataManager,
- OzoneConfiguration conf,
- String omId) {
+ OMMetadataManager metadataManager,
+ OzoneConfiguration conf,
+ String omId) {
this.scmBlockClient = scmBlockClient;
this.metadataManager = metadataManager;
this.scmBlockSize = conf.getLong(OZONE_SCM_BLOCK_SIZE_IN_MB,
@@ -94,11 +82,9 @@ public class KeyManagerImpl implements KeyManager {
this.preallocateMax = conf.getLong(
OZONE_KEY_PREALLOCATION_MAXSIZE,
OZONE_KEY_PREALLOCATION_MAXSIZE_DEFAULT);
- random = new Random();
this.omId = omId;
}
-
@Override
public void start() {
}
@@ -113,13 +99,13 @@ public class KeyManagerImpl implements KeyManager {
byte[] bucketKey = metadataManager.getBucketKey(volumeName, bucketName);
//Check if the volume exists
- if(metadataManager.get(volumeKey) == null) {
+ if (metadataManager.getVolumeTable().get(volumeKey) == null) {
LOG.error("volume not found: {}", volumeName);
throw new OMException("Volume not found",
OMException.ResultCodes.FAILED_VOLUME_NOT_FOUND);
}
//Check if bucket already exists
- if(metadataManager.get(bucketKey) == null) {
+ if (metadataManager.getBucketTable().get(bucketKey) == null) {
LOG.error("bucket not found: {}/{} ", volumeName, bucketName);
throw new OMException("Bucket not found",
OMException.ResultCodes.FAILED_BUCKET_NOT_FOUND);
@@ -127,7 +113,7 @@ public class KeyManagerImpl implements KeyManager {
}
@Override
- public OmKeyLocationInfo allocateBlock(OmKeyArgs args, int clientID)
+ public OmKeyLocationInfo allocateBlock(OmKeyArgs args, long clientID)
throws IOException {
Preconditions.checkNotNull(args);
metadataManager.writeLock().lock();
@@ -137,13 +123,13 @@ public class KeyManagerImpl implements KeyManager {
try {
validateBucket(volumeName, bucketName);
- String objectKey = metadataManager.getKeyWithDBPrefix(
- volumeName, bucketName, keyName);
- byte[] openKey = metadataManager.getOpenKeyNameBytes(objectKey, clientID);
- byte[] keyData = metadataManager.get(openKey);
+ byte[] openKey = metadataManager.getOpenKeyBytes(
+ volumeName, bucketName, keyName, clientID);
+
+ byte[] keyData = metadataManager.getOpenKeyTable().get(openKey);
if (keyData == null) {
- LOG.error("Allocate block for a key not in open status in meta store " +
- objectKey + " with ID " + clientID);
+ LOG.error("Allocate block for a key not in open status in meta store" +
+ " /{}/{}/{} with ID {}", volumeName, bucketName, keyName, clientID);
throw new OMException("Open Key not found",
OMException.ResultCodes.FAILED_KEY_NOT_FOUND);
}
@@ -162,7 +148,8 @@ public class KeyManagerImpl implements KeyManager {
// the same version
keyInfo.appendNewBlocks(Collections.singletonList(info));
keyInfo.updateModifcationTime();
- metadataManager.put(openKey, keyInfo.getProtobuf().toByteArray());
+ metadataManager.getOpenKeyTable().put(openKey,
+ keyInfo.getProtobuf().toByteArray());
return info;
} finally {
metadataManager.writeLock().unlock();
@@ -172,28 +159,30 @@ public class KeyManagerImpl implements KeyManager {
@Override
public OpenKeySession openKey(OmKeyArgs args) throws IOException {
Preconditions.checkNotNull(args);
- metadataManager.writeLock().lock();
String volumeName = args.getVolumeName();
String bucketName = args.getBucketName();
+ validateBucket(volumeName, bucketName);
+
+ metadataManager.writeLock().lock();
String keyName = args.getKeyName();
ReplicationFactor factor = args.getFactor();
ReplicationType type = args.getType();
+ long currentTime = Time.monotonicNowNanos();
// If user does not specify a replication strategy or
// replication factor, OM will use defaults.
- if(factor == null) {
- factor = useRatis ? ReplicationFactor.THREE: ReplicationFactor.ONE;
+ if (factor == null) {
+ factor = useRatis ? ReplicationFactor.THREE : ReplicationFactor.ONE;
}
- if(type == null) {
+ if (type == null) {
type = useRatis ? ReplicationType.RATIS : ReplicationType.STAND_ALONE;
}
try {
- validateBucket(volumeName, bucketName);
long requestedSize = Math.min(preallocateMax, args.getDataSize());
List<OmKeyLocationInfo> locations = new ArrayList<>();
- String objectKey = metadataManager.getKeyWithDBPrefix(
+ byte[] objectKey = metadataManager.getOzoneKeyBytes(
volumeName, bucketName, keyName);
// requested size is not required but more like a optimization:
// SCM looks at the requested, if it 0, no block will be allocated at
@@ -218,9 +207,7 @@ public class KeyManagerImpl implements KeyManager {
// value, then this value is used, otherwise, we allocate a single block
// which is the current size, if read by the client.
long size = args.getDataSize() >= 0 ? args.getDataSize() : scmBlockSize;
- byte[] keyKey = metadataManager.getDBKeyBytes(
- volumeName, bucketName, keyName);
- byte[] value = metadataManager.get(keyKey);
+ byte[] value = metadataManager.getKeyTable().get(objectKey);
OmKeyInfo keyInfo;
long openVersion;
if (value != null) {
@@ -233,7 +220,7 @@ public class KeyManagerImpl implements KeyManager {
} else {
// the key does not exist, create a new object, the new blocks are the
// version 0
- long currentTime = Time.now();
+
keyInfo = new OmKeyInfo.Builder()
.setVolumeName(args.getVolumeName())
.setBucketName(args.getBucketName())
@@ -248,31 +235,31 @@ public class KeyManagerImpl implements KeyManager {
.build();
openVersion = 0;
}
- // Generate a random ID which is not already in meta db.
- int id = -1;
- // in general this should finish in a couple times at most. putting some
- // arbitrary large number here to avoid dead loop.
- for (int j = 0; j < 10000; j++) {
- id = random.nextInt();
- byte[] openKey = metadataManager.getOpenKeyNameBytes(objectKey, id);
- if (metadataManager.get(openKey) == null) {
- metadataManager.put(openKey, keyInfo.getProtobuf().toByteArray());
- break;
- }
- }
- if (id == -1) {
- throw new IOException("Failed to find a usable id for " + objectKey);
+ byte[] openKey = metadataManager.getOpenKeyBytes(
+ volumeName, bucketName, keyName, currentTime);
+ if (metadataManager.getOpenKeyTable().get(openKey) != null) {
+ // This should not happen. If this condition is satisfied, it means
+ // that we have generated a same openKeyId (i.e. currentTime) for two
+ // different client who are trying to write the same key at the same
+ // time. The chance of this happening is very, very minimal.
+
+ // Do we really need this check? Can we avoid this to gain some
+ // minor performance improvement?
+ LOG.warn("Cannot allocate key. The generated open key id is already" +
+ "used for the same key which is currently being written.");
+ throw new OMException("Cannot allocate key. Not able to get a valid" +
+ "open key id.", OMException.ResultCodes.FAILED_KEY_ALLOCATION);
}
+ metadataManager.getOpenKeyTable().put(openKey,
+ keyInfo.getProtobuf().toByteArray());
LOG.debug("Key {} allocated in volume {} bucket {}",
keyName, volumeName, bucketName);
- return new OpenKeySession(id, keyInfo, openVersion);
+ return new OpenKeySession(currentTime, keyInfo, openVersion);
} catch (OMException e) {
throw e;
} catch (IOException ex) {
- if (!(ex instanceof OMException)) {
- LOG.error("Key open failed for volume:{} bucket:{} key:{}",
- volumeName, bucketName, keyName, ex);
- }
+ LOG.error("Key open failed for volume:{} bucket:{} key:{}",
+ volumeName, bucketName, keyName, ex);
throw new OMException(ex.getMessage(),
OMException.ResultCodes.FAILED_KEY_ALLOCATION);
} finally {
@@ -281,7 +268,7 @@ public class KeyManagerImpl implements KeyManager {
}
@Override
- public void commitKey(OmKeyArgs args, int clientID) throws IOException {
+ public void commitKey(OmKeyArgs args, long clientID) throws IOException {
Preconditions.checkNotNull(args);
metadataManager.writeLock().lock();
String volumeName = args.getVolumeName();
@@ -289,15 +276,14 @@ public class KeyManagerImpl implements KeyManager {
String keyName = args.getKeyName();
try {
validateBucket(volumeName, bucketName);
- String objectKey = metadataManager.getKeyWithDBPrefix(
+ byte[] openKey = metadataManager.getOpenKeyBytes(volumeName, bucketName,
+ keyName, clientID);
+ byte[] objectKey = metadataManager.getOzoneKeyBytes(
volumeName, bucketName, keyName);
- byte[] objectKeyBytes = metadataManager.getDBKeyBytes(volumeName,
- bucketName, keyName);
- byte[] openKey = metadataManager.getOpenKeyNameBytes(objectKey, clientID);
- byte[] openKeyData = metadataManager.get(openKey);
+ byte[] openKeyData = metadataManager.getOpenKeyTable().get(openKey);
if (openKeyData == null) {
throw new OMException("Commit a key without corresponding entry " +
- DFSUtil.bytes2String(openKey), ResultCodes.FAILED_KEY_NOT_FOUND);
+ DFSUtil.bytes2String(objectKey), ResultCodes.FAILED_KEY_NOT_FOUND);
}
OmKeyInfo keyInfo =
OmKeyInfo.getFromProtobuf(KeyInfo.parseFrom(openKeyData));
@@ -305,12 +291,13 @@ public class KeyManagerImpl implements KeyManager {
keyInfo.setModificationTime(Time.now());
List<OmKeyLocationInfo> locationInfoList = args.getLocationInfoList();
Preconditions.checkNotNull(locationInfoList);
+
//update the block length for each block
keyInfo.updateLocationInfoList(locationInfoList);
- BatchOperation batch = new BatchOperation();
- batch.delete(openKey);
- batch.put(objectKeyBytes, keyInfo.getProtobuf().toByteArray());
- metadataManager.writeBatch(batch);
+ metadataManager.getStore().move(openKey, objectKey,
+ keyInfo.getProtobuf().toByteArray(),
+ metadataManager.getOpenKeyTable(),
+ metadataManager.getKeyTable());
} catch (OMException e) {
throw e;
} catch (IOException ex) {
@@ -331,9 +318,9 @@ public class KeyManagerImpl implements KeyManager {
String bucketName = args.getBucketName();
String keyName = args.getKeyName();
try {
- byte[] keyKey = metadataManager.getDBKeyBytes(
+ byte[] keyBytes = metadataManager.getOzoneKeyBytes(
volumeName, bucketName, keyName);
- byte[] value = metadataManager.get(keyKey);
+ byte[] value = metadataManager.getKeyTable().get(keyBytes);
if (value == null) {
LOG.debug("volume:{} bucket:{} Key:{} not found",
volumeName, bucketName, keyName);
@@ -341,7 +328,7 @@ public class KeyManagerImpl implements KeyManager {
OMException.ResultCodes.FAILED_KEY_NOT_FOUND);
}
return OmKeyInfo.getFromProtobuf(KeyInfo.parseFrom(value));
- } catch (DBException ex) {
+ } catch (IOException ex) {
LOG.error("Get key failed for volume:{} bucket:{} key:{}",
volumeName, bucketName, keyName, ex);
throw new OMException(ex.getMessage(),
@@ -368,9 +355,9 @@ public class KeyManagerImpl implements KeyManager {
metadataManager.writeLock().lock();
try {
// fromKeyName should exist
- byte[] fromKey = metadataManager.getDBKeyBytes(
+ byte[] fromKey = metadataManager.getOzoneKeyBytes(
volumeName, bucketName, fromKeyName);
- byte[] fromKeyValue = metadataManager.get(fromKey);
+ byte[] fromKeyValue = metadataManager.getKeyTable().get(fromKey);
if (fromKeyValue == null) {
// TODO: Add support for renaming open key
LOG.error(
@@ -381,10 +368,20 @@ public class KeyManagerImpl implements KeyManager {
OMException.ResultCodes.FAILED_KEY_NOT_FOUND);
}
+ // A rename is a no-op if the target and source name is same.
+ // TODO: Discuss if we need to throw?.
+ // TODO: Define the semantics of rename more clearly. Today this code
+ // will allow rename of a Key across volumes. This should *not* be
+ // allowed. The documentation of Ozone says that rename is permitted only
+ // within a volume.
+ if (fromKeyName.equals(toKeyName)) {
+ return;
+ }
+
// toKeyName should not exist
byte[] toKey =
- metadataManager.getDBKeyBytes(volumeName, bucketName, toKeyName);
- byte[] toKeyValue = metadataManager.get(toKey);
+ metadataManager.getOzoneKeyBytes(volumeName, bucketName, toKeyName);
+ byte[] toKeyValue = metadataManager.getKeyTable().get(toKey);
if (toKeyValue != null) {
LOG.error(
"Rename key failed for volume:{} bucket:{} fromKey:{} toKey:{}. "
@@ -394,19 +391,18 @@ public class KeyManagerImpl implements KeyManager {
OMException.ResultCodes.FAILED_KEY_ALREADY_EXISTS);
}
- if (fromKeyName.equals(toKeyName)) {
- return;
- }
OmKeyInfo newKeyInfo =
OmKeyInfo.getFromProtobuf(KeyInfo.parseFrom(fromKeyValue));
newKeyInfo.setKeyName(toKeyName);
newKeyInfo.updateModifcationTime();
- BatchOperation batch = new BatchOperation();
- batch.delete(fromKey);
- batch.put(toKey, newKeyInfo.getProtobuf().toByteArray());
- metadataManager.writeBatch(batch);
- } catch (DBException ex) {
+ try (WriteBatch batch = new WriteBatch()) {
+ batch.delete(metadataManager.getKeyTable().getHandle(), fromKey);
+ batch.put(metadataManager.getKeyTable().getHandle(), toKey,
+ newKeyInfo.getProtobuf().toByteArray());
+ metadataManager.getStore().write(batch);
+ }
+ } catch (RocksDBException | IOException ex) {
LOG.error("Rename key failed for volume:{} bucket:{} fromKey:{} toKey:{}",
volumeName, bucketName, fromKeyName, toKeyName, ex);
throw new OMException(ex.getMessage(),
@@ -424,19 +420,19 @@ public class KeyManagerImpl implements KeyManager {
String bucketName = args.getBucketName();
String keyName = args.getKeyName();
try {
- byte[] objectKey = metadataManager.getDBKeyBytes(
+ byte[] objectKey = metadataManager.getOzoneKeyBytes(
volumeName, bucketName, keyName);
- byte[] objectValue = metadataManager.get(objectKey);
+ byte[] objectValue = metadataManager.getKeyTable().get(objectKey);
if (objectValue == null) {
throw new OMException("Key not found",
OMException.ResultCodes.FAILED_KEY_NOT_FOUND);
}
- byte[] deletingKey = metadataManager.getDeletedKeyName(objectKey);
- BatchOperation batch = new BatchOperation();
- batch.put(deletingKey, objectValue);
- batch.delete(objectKey);
- metadataManager.writeBatch(batch);
- } catch (DBException ex) {
+ metadataManager.getStore().move(objectKey,
+ metadataManager.getKeyTable(),
+ metadataManager.getDeletedTable());
+ } catch (OMException ex) {
+ throw ex;
+ } catch (IOException ex) {
LOG.error(String.format("Delete key failed for volume:%s "
+ "bucket:%s key:%s", volumeName, bucketName, keyName), ex);
throw new OMException(ex.getMessage(), ex,
@@ -448,53 +444,30 @@ public class KeyManagerImpl implements KeyManager {
@Override
public List<OmKeyInfo> listKeys(String volumeName, String bucketName,
- String startKey, String keyPrefix,
+ String startKey, String keyPrefix,
int maxKeys) throws IOException {
Preconditions.checkNotNull(volumeName);
Preconditions.checkNotNull(bucketName);
- metadataManager.readLock().lock();
- try {
- return metadataManager.listKeys(volumeName, bucketName,
- startKey, keyPrefix, maxKeys);
- } finally {
- metadataManager.readLock().unlock();
- }
+ // We don't take a lock in this path, since we walk the
+ // underlying table using an iterator. That automatically creates a
+ // snapshot of the data, so we don't need these locks at a higher level
+ // when we iterate.
+ return metadataManager.listKeys(volumeName, bucketName,
+ startKey, keyPrefix, maxKeys);
}
@Override
public List<BlockGroup> getPendingDeletionKeys(final int count)
throws IOException {
- metadataManager.readLock().lock();
- try {
- return metadataManager.getPendingDeletionKeys(count);
- } finally {
- metadataManager.readLock().unlock();
- }
+ //TODO: Fix this in later patches.
+ return null;
}
@Override
public void deletePendingDeletionKey(String objectKeyName)
- throws IOException{
- Preconditions.checkNotNull(objectKeyName);
- if (!objectKeyName.startsWith(OzoneConsts.DELETING_KEY_PREFIX)) {
- throw new IllegalArgumentException("Invalid key name,"
- + " the name should be the key name with deleting prefix");
- }
-
- // Simply removes the entry from OM DB.
- metadataManager.writeLock().lock();
- try {
- byte[] pendingDelKey = DFSUtil.string2Bytes(objectKeyName);
- byte[] delKeyValue = metadataManager.get(pendingDelKey);
- if (delKeyValue == null) {
- throw new IOException("Failed to delete key " + objectKeyName
- + " because it is not found in DB");
- }
- metadataManager.delete(pendingDelKey);
- } finally {
- metadataManager.writeLock().unlock();
- }
+ throws IOException {
+ // TODO : Fix in later patches.
}
@Override
@@ -510,23 +483,6 @@ public class KeyManagerImpl implements KeyManager {
@Override
public void deleteExpiredOpenKey(String objectKeyName) throws IOException {
Preconditions.checkNotNull(objectKeyName);
- if (!objectKeyName.startsWith(OzoneConsts.OPEN_KEY_PREFIX)) {
- throw new IllegalArgumentException("Invalid key name,"
- + " the name should be the key name with open key prefix");
- }
-
- // Simply removes the entry from OM DB.
- metadataManager.writeLock().lock();
- try {
- byte[] openKey = DFSUtil.string2Bytes(objectKeyName);
- byte[] delKeyValue = metadataManager.get(openKey);
- if (delKeyValue == null) {
- throw new IOException("Failed to delete key " + objectKeyName
- + " because it is not found in DB");
- }
- metadataManager.delete(openKey);
- } finally {
- metadataManager.writeLock().unlock();
- }
+ // TODO: Fix this in later patches.
}
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff036e49/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OMMetadataManager.java
----------------------------------------------------------------------
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OMMetadataManager.java b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OMMetadataManager.java
index f2e78e6..0e9ae42 100644
--- a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OMMetadataManager.java
+++ b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OMMetadataManager.java
@@ -17,12 +17,12 @@
package org.apache.hadoop.ozone.om;
import com.google.common.annotations.VisibleForTesting;
-import org.apache.hadoop.ozone.om.helpers.OmBucketInfo;
import org.apache.hadoop.ozone.common.BlockGroup;
+import org.apache.hadoop.ozone.om.helpers.OmBucketInfo;
import org.apache.hadoop.ozone.om.helpers.OmKeyInfo;
import org.apache.hadoop.ozone.om.helpers.OmVolumeArgs;
-import org.apache.hadoop.utils.BatchOperation;
-import org.apache.hadoop.utils.MetadataStore;
+import org.apache.hadoop.utils.db.DBStore;
+import org.apache.hadoop.utils.db.Table;
import java.io.IOException;
import java.util.List;
@@ -40,68 +40,47 @@ public interface OMMetadataManager {
/**
* Stop metadata manager.
*/
- void stop() throws IOException;
+ void stop() throws Exception;
/**
* Get metadata store.
+ *
* @return metadata store.
*/
@VisibleForTesting
- MetadataStore getStore();
+ DBStore getStore();
/**
* Returns the read lock used on Metadata DB.
+ *
* @return readLock
*/
Lock readLock();
/**
* Returns the write lock used on Metadata DB.
+ *
* @return writeLock
*/
Lock writeLock();
/**
- * Returns the value associated with this key.
- * @param key - key
- * @return value
- */
- byte[] get(byte[] key) throws IOException;
-
- /**
- * Puts a Key into Metadata DB.
- * @param key - key
- * @param value - value
- */
- void put(byte[] key, byte[] value) throws IOException;
-
- /**
- * Deletes a Key from Metadata DB.
- * @param key - key
- */
- void delete(byte[] key) throws IOException;
-
- /**
- * Atomic write a batch of operations.
- * @param batch
- * @throws IOException
- */
- void writeBatch(BatchOperation batch) throws IOException;
-
- /**
* Given a volume return the corresponding DB key.
+ *
* @param volume - Volume name
*/
byte[] getVolumeKey(String volume);
/**
* Given a user return the corresponding DB key.
+ *
* @param user - User name
*/
byte[] getUserKey(String user);
/**
* Given a volume and bucket, return the corresponding DB key.
+ *
* @param volume - User name
* @param bucket - Bucket name
*/
@@ -109,131 +88,103 @@ public interface OMMetadataManager {
/**
* Given a volume, bucket and a key, return the corresponding DB key.
+ *
* @param volume - volume name
* @param bucket - bucket name
* @param key - key name
* @return bytes of DB key.
*/
- byte[] getDBKeyBytes(String volume, String bucket, String key);
-
- /**
- * Returns the DB key name of a deleted key in OM metadata store.
- * The name for a deleted key has prefix #deleting# followed by
- * the actual key name.
- * @param keyName - key name
- * @return bytes of DB key.
- */
- byte[] getDeletedKeyName(byte[] keyName);
+ byte[] getOzoneKeyBytes(String volume, String bucket, String key);
/**
- * Returns the DB key name of a open key in OM metadata store.
- * Should be #open# prefix followed by actual key name.
- * @param keyName - key name
+ * Returns the DB key name of a open key in OM metadata store. Should be
+ * #open# prefix followed by actual key name.
+ *
+ * @param volume - volume name
+ * @param bucket - bucket name
+ * @param key - key name
* @param id - the id for this open
* @return bytes of DB key.
*/
- byte[] getOpenKeyNameBytes(String keyName, int id);
+ byte[] getOpenKeyBytes(String volume, String bucket, String key, long id);
/**
- * Returns the full name of a key given volume name, bucket name and key name.
- * Generally done by padding certain delimiters.
+ * Given a volume, check if it is empty, i.e there are no buckets inside it.
*
- * @param volumeName - volume name
- * @param bucketName - bucket name
- * @param keyName - key name
- * @return the full key name.
- */
- String getKeyWithDBPrefix(String volumeName, String bucketName,
- String keyName);
-
- /**
- * Given a volume, check if it is empty,
- * i.e there are no buckets inside it.
* @param volume - Volume name
*/
boolean isVolumeEmpty(String volume) throws IOException;
/**
- * Given a volume/bucket, check if it is empty,
- * i.e there are no keys inside it.
+ * Given a volume/bucket, check if it is empty, i.e there are no keys inside
+ * it.
+ *
* @param volume - Volume name
- * @param bucket - Bucket name
+ * @param bucket - Bucket name
* @return true if the bucket is empty
*/
boolean isBucketEmpty(String volume, String bucket) throws IOException;
/**
- * Returns a list of buckets represented by {@link OmBucketInfo}
- * in the given volume.
- *
- * @param volumeName
- * the name of the volume. This argument is required,
- * this method returns buckets in this given volume.
- * @param startBucket
- * the start bucket name. Only the buckets whose name is
- * after this value will be included in the result.
- * This key is excluded from the result.
- * @param bucketPrefix
- * bucket name prefix. Only the buckets whose name has
- * this prefix will be included in the result.
- * @param maxNumOfBuckets
- * the maximum number of buckets to return. It ensures
- * the size of the result will not exceed this limit.
+ * Returns a list of buckets represented by {@link OmBucketInfo} in the given
+ * volume.
+ *
+ * @param volumeName the name of the volume. This argument is required, this
+ * method returns buckets in this given volume.
+ * @param startBucket the start bucket name. Only the buckets whose name is
+ * after this value will be included in the result. This key is excluded from
+ * the result.
+ * @param bucketPrefix bucket name prefix. Only the buckets whose name has
+ * this prefix will be included in the result.
+ * @param maxNumOfBuckets the maximum number of buckets to return. It ensures
+ * the size of the result will not exceed this limit.
* @return a list of buckets.
* @throws IOException
*/
List<OmBucketInfo> listBuckets(String volumeName, String startBucket,
- String bucketPrefix, int maxNumOfBuckets) throws IOException;
-
- /**
- * Returns a list of keys represented by {@link OmKeyInfo}
- * in the given bucket.
- *
- * @param volumeName
- * the name of the volume.
- * @param bucketName
- * the name of the bucket.
- * @param startKey
- * the start key name, only the keys whose name is
- * after this value will be included in the result.
- * This key is excluded from the result.
- * @param keyPrefix
- * key name prefix, only the keys whose name has
- * this prefix will be included in the result.
- * @param maxKeys
- * the maximum number of keys to return. It ensures
- * the size of the result will not exceed this limit.
+ String bucketPrefix, int maxNumOfBuckets)
+ throws IOException;
+
+ /**
+ * Returns a list of keys represented by {@link OmKeyInfo} in the given
+ * bucket.
+ *
+ * @param volumeName the name of the volume.
+ * @param bucketName the name of the bucket.
+ * @param startKey the start key name, only the keys whose name is after this
+ * value will be included in the result. This key is excluded from the
+ * result.
+ * @param keyPrefix key name prefix, only the keys whose name has this prefix
+ * will be included in the result.
+ * @param maxKeys the maximum number of keys to return. It ensures the size of
+ * the result will not exceed this limit.
* @return a list of keys.
* @throws IOException
*/
List<OmKeyInfo> listKeys(String volumeName,
- String bucketName, String startKey, String keyPrefix, int maxKeys)
+ String bucketName, String startKey, String keyPrefix, int maxKeys)
throws IOException;
/**
- * Returns a list of volumes owned by a given user; if user is null,
- * returns all volumes.
+ * Returns a list of volumes owned by a given user; if user is null, returns
+ * all volumes.
*
- * @param userName
- * volume owner
- * @param prefix
- * the volume prefix used to filter the listing result.
- * @param startKey
- * the start volume name determines where to start listing from,
- * this key is excluded from the result.
- * @param maxKeys
- * the maximum number of volumes to return.
+ * @param userName volume owner
+ * @param prefix the volume prefix used to filter the listing result.
+ * @param startKey the start volume name determines where to start listing
+ * from, this key is excluded from the result.
+ * @param maxKeys the maximum number of volumes to return.
* @return a list of {@link OmVolumeArgs}
* @throws IOException
*/
List<OmVolumeArgs> listVolumes(String userName, String prefix,
- String startKey, int maxKeys) throws IOException;
+ String startKey, int maxKeys) throws IOException;
/**
* Returns a list of pending deletion key info that ups to the given count.
- * Each entry is a {@link BlockGroup}, which contains the info about the
- * key name and all its associated block IDs. A pending deletion key is
- * stored with #deleting# prefix in OM DB.
+ * Each entry is a {@link BlockGroup}, which contains the info about the key
+ * name and all its associated block IDs. A pending deletion key is stored
+ * with #deleting# prefix in OM DB.
*
* @param count max number of keys to return.
* @return a list of {@link BlockGroup} represent keys and blocks.
@@ -250,4 +201,47 @@ public interface OMMetadataManager {
* @throws IOException
*/
List<BlockGroup> getExpiredOpenKeys() throws IOException;
+
+ /**
+ * Returns the user Table.
+ *
+ * @return UserTable.
+ */
+ Table getUserTable();
+
+ /**
+ * Returns the Volume Table.
+ *
+ * @return VolumeTable.
+ */
+ Table getVolumeTable();
+
+ /**
+ * Returns the BucketTable.
+ *
+ * @return BucketTable.
+ */
+ Table getBucketTable();
+
+ /**
+ * Returns the KeyTable.
+ *
+ * @return KeyTable.
+ */
+ Table getKeyTable();
+
+ /**
+ * Get Deleted Table.
+ *
+ * @return Deleted Table.
+ */
+ Table getDeletedTable();
+
+ /**
+ * Gets the OpenKeyTable.
+ *
+ * @return Table.
+ */
+ Table getOpenKeyTable();
+
}
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