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Posted to commits@hbase.apache.org by st...@apache.org on 2013/03/08 23:46:17 UTC
svn commit: r1454613 [2/3] - in /hbase/branches/0.95:
hbase-client/src/main/java/org/apache/hadoop/hbase/
hbase-client/src/main/java/org/apache/hadoop/hbase/catalog/
hbase-client/src/main/java/org/apache/hadoop/hbase/client/
hbase-client/src/main/java/...
Modified: hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/MetaServerShutdownHandler.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/MetaServerShutdownHandler.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/MetaServerShutdownHandler.java (original)
+++ hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/MetaServerShutdownHandler.java Fri Mar 8 22:46:16 2013
@@ -37,16 +37,14 @@ import org.apache.zookeeper.KeeperExcept
*/
@InterfaceAudience.Private
public class MetaServerShutdownHandler extends ServerShutdownHandler {
- private final boolean carryingRoot;
private final boolean carryingMeta;
private static final Log LOG = LogFactory.getLog(MetaServerShutdownHandler.class);
public MetaServerShutdownHandler(final Server server,
final MasterServices services,
final DeadServer deadServers, final ServerName serverName,
- final boolean carryingRoot, final boolean carryingMeta) {
+ final boolean carryingMeta) {
super(server, services, deadServers, serverName,
EventType.M_META_SERVER_SHUTDOWN, true);
- this.carryingRoot = carryingRoot;
this.carryingMeta = carryingMeta;
}
@@ -65,22 +63,7 @@ public class MetaServerShutdownHandler e
}
// Assign root and meta if we were carrying them.
- if (isCarryingRoot()) { // -ROOT-
- // Check again: region may be assigned to other where because of RIT
- // timeout
- if (this.services.getAssignmentManager().isCarryingRoot(serverName)) {
- LOG.info("Server " + serverName
- + " was carrying ROOT. Trying to assign.");
- this.services.getAssignmentManager().regionOffline(
- HRegionInfo.ROOT_REGIONINFO);
- verifyAndAssignRootWithRetries();
- } else {
- LOG.info("ROOT has been assigned to otherwhere, skip assigning.");
- }
- }
-
- // Carrying meta?
- if (isCarryingMeta()) {
+ if (isCarryingMeta()) { // .META.
// Check again: region may be assigned to other where because of RIT
// timeout
if (this.services.getAssignmentManager().isCarryingMeta(serverName)) {
@@ -88,37 +71,37 @@ public class MetaServerShutdownHandler e
+ " was carrying META. Trying to assign.");
this.services.getAssignmentManager().regionOffline(
HRegionInfo.FIRST_META_REGIONINFO);
- this.services.getAssignmentManager().assignMeta();
+ verifyAndAssignMetaWithRetries();
} else {
LOG.info("META has been assigned to otherwhere, skip assigning.");
}
-
}
super.process();
}
+
/**
- * Before assign the ROOT region, ensure it haven't
+ * Before assign the META region, ensure it haven't
* been assigned by other place
* <p>
- * Under some scenarios, the ROOT region can be opened twice, so it seemed online
+ * Under some scenarios, the META region can be opened twice, so it seemed online
* in two regionserver at the same time.
- * If the ROOT region has been assigned, so the operation can be canceled.
+ * If the META region has been assigned, so the operation can be canceled.
* @throws InterruptedException
* @throws IOException
* @throws KeeperException
*/
- private void verifyAndAssignRoot()
- throws InterruptedException, IOException, KeeperException {
+ private void verifyAndAssignMeta()
+ throws InterruptedException, IOException, KeeperException {
long timeout = this.server.getConfiguration().
- getLong("hbase.catalog.verification.timeout", 1000);
- if (!this.server.getCatalogTracker().verifyRootRegionLocation(timeout)) {
- this.services.getAssignmentManager().assignRoot();
- } else if (serverName.equals(server.getCatalogTracker().getRootLocation())) {
+ getLong("hbase.catalog.verification.timeout", 1000);
+ if (!this.server.getCatalogTracker().verifyMetaRegionLocation(timeout)) {
+ this.services.getAssignmentManager().assignMeta();
+ } else if (serverName.equals(server.getCatalogTracker().getMetaLocation())) {
throw new IOException("-ROOT- is onlined on the dead server "
+ serverName);
} else {
LOG.info("Skip assigning -ROOT-, because it is online on the "
- + server.getCatalogTracker().getRootLocation());
+ + server.getCatalogTracker().getMetaLocation());
}
}
@@ -126,7 +109,7 @@ public class MetaServerShutdownHandler e
* Failed many times, shutdown processing
* @throws IOException
*/
- private void verifyAndAssignRootWithRetries() throws IOException {
+ private void verifyAndAssignMetaWithRetries() throws IOException {
int iTimes = this.server.getConfiguration().getInt(
"hbase.catalog.verification.retries", 10);
@@ -136,14 +119,14 @@ public class MetaServerShutdownHandler e
int iFlag = 0;
while (true) {
try {
- verifyAndAssignRoot();
+ verifyAndAssignMeta();
break;
} catch (KeeperException e) {
- this.server.abort("In server shutdown processing, assigning root", e);
+ this.server.abort("In server shutdown processing, assigning meta", e);
throw new IOException("Aborting", e);
} catch (Exception e) {
if (iFlag >= iTimes) {
- this.server.abort("verifyAndAssignRoot failed after" + iTimes
+ this.server.abort("verifyAndAssignMeta failed after" + iTimes
+ " times retries, aborting", e);
throw new IOException("Aborting", e);
}
@@ -159,10 +142,6 @@ public class MetaServerShutdownHandler e
}
}
- boolean isCarryingRoot() {
- return this.carryingRoot;
- }
-
boolean isCarryingMeta() {
return this.carryingMeta;
}
Modified: hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/OpenedRegionHandler.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/OpenedRegionHandler.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/OpenedRegionHandler.java (original)
+++ hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/OpenedRegionHandler.java Fri Mar 8 22:46:16 2013
@@ -45,9 +45,8 @@ public class OpenedRegionHandler extends
private final int expectedVersion;
private enum OpenedPriority {
- ROOT (1),
- META (2),
- USER (3);
+ META (1),
+ USER (2);
private final int value;
OpenedPriority(int value) {
@@ -66,9 +65,7 @@ public class OpenedRegionHandler extends
this.regionInfo = regionInfo;
this.sn = sn;
this.expectedVersion = expectedVersion;
- if(regionInfo.isRootRegion()) {
- priority = OpenedPriority.ROOT;
- } else if(regionInfo.isMetaRegion()) {
+ if(regionInfo.isMetaRegion()) {
priority = OpenedPriority.META;
} else {
priority = OpenedPriority.USER;
Modified: hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.java (original)
+++ hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.java Fri Mar 8 22:46:16 2013
@@ -88,13 +88,6 @@ public class ServerShutdownHandler exten
}
/**
- * @return True if the server we are processing was carrying <code>-ROOT-</code>
- */
- boolean isCarryingRoot() {
- return false;
- }
-
- /**
* @return True if the server we are processing was carrying <code>.META.</code>
*/
boolean isCarryingMeta() {
@@ -130,8 +123,8 @@ public class ServerShutdownHandler exten
serverName + ", will retry", ioe);
}
// We don't want worker thread in the MetaServerShutdownHandler
- // executor pool to block by waiting availability of -ROOT-
- // and .META. server. Otherwise, it could run into the following issue:
+ // executor pool to block by waiting availability of .META.
+ // Otherwise, it could run into the following issue:
// 1. The current MetaServerShutdownHandler instance For RS1 waits for the .META.
// to come online.
// 2. The newly assigned .META. region server RS2 was shutdown right after
@@ -150,7 +143,7 @@ public class ServerShutdownHandler exten
// If AssignmentManager hasn't finished rebuilding user regions,
// we are not ready to assign dead regions either. So we re-queue up
// the dead server for further processing too.
- if (isCarryingRoot() || isCarryingMeta() // -ROOT- or .META.
+ if (isCarryingMeta() // .META.
|| !services.getAssignmentManager().isFailoverCleanupDone()) {
this.services.getServerManager().processDeadServer(serverName);
return;
Modified: hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java (original)
+++ hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java Fri Mar 8 22:46:16 2013
@@ -487,7 +487,7 @@ public class HRegion implements HeapSize
// When hbase.regionserver.optionallogflushinterval <= 0 , deferred log sync is disabled.
this.deferredLogSyncDisabled = conf.getLong("hbase.regionserver.optionallogflushinterval",
1 * 1000) <= 0;
-
+
if (rsServices != null) {
this.rsAccounting = this.rsServices.getRegionServerAccounting();
// don't initialize coprocessors if not running within a regionserver
@@ -2202,8 +2202,8 @@ public class HRegion implements HeapSize
// calling the pre CP hook for batch mutation
if (coprocessorHost != null) {
- MiniBatchOperationInProgress<Pair<Mutation, Integer>> miniBatchOp =
- new MiniBatchOperationInProgress<Pair<Mutation, Integer>>(batchOp.operations,
+ MiniBatchOperationInProgress<Pair<Mutation, Integer>> miniBatchOp =
+ new MiniBatchOperationInProgress<Pair<Mutation, Integer>>(batchOp.operations,
batchOp.retCodeDetails, batchOp.walEditsFromCoprocessors, firstIndex, lastIndexExclusive);
if (coprocessorHost.preBatchMutate(miniBatchOp)) return 0L;
}
@@ -2284,8 +2284,8 @@ public class HRegion implements HeapSize
walSyncSuccessful = true;
// calling the post CP hook for batch mutation
if (coprocessorHost != null) {
- MiniBatchOperationInProgress<Pair<Mutation, Integer>> miniBatchOp =
- new MiniBatchOperationInProgress<Pair<Mutation, Integer>>(batchOp.operations,
+ MiniBatchOperationInProgress<Pair<Mutation, Integer>> miniBatchOp =
+ new MiniBatchOperationInProgress<Pair<Mutation, Integer>>(batchOp.operations,
batchOp.retCodeDetails, batchOp.walEditsFromCoprocessors, firstIndex, lastIndexExclusive);
coprocessorHost.postBatchMutate(miniBatchOp);
}
@@ -4225,13 +4225,14 @@ public class HRegion implements HeapSize
/**
* Inserts a new region's meta information into the passed
* <code>meta</code> region. Used by the HMaster bootstrap code adding
- * new table to ROOT table.
+ * new table to META table.
*
* @param meta META HRegion to be updated
* @param r HRegion to add to <code>meta</code>
*
* @throws IOException
*/
+ // TODO remove since only test and merge use this
public static void addRegionToMETA(HRegion meta, HRegion r)
throws IOException {
meta.checkResources();
@@ -5271,13 +5272,9 @@ public class HRegion implements HeapSize
final boolean majorCompact)
throws IOException {
HRegion region = null;
- String rootStr = Bytes.toString(HConstants.ROOT_TABLE_NAME);
String metaStr = Bytes.toString(HConstants.META_TABLE_NAME);
// Currently expects tables have one region only.
- if (p.getName().startsWith(rootStr)) {
- region = HRegion.newHRegion(p, log, fs, c, HRegionInfo.ROOT_REGIONINFO,
- HTableDescriptor.ROOT_TABLEDESC, null);
- } else if (p.getName().startsWith(metaStr)) {
+ if (p.getName().startsWith(metaStr)) {
region = HRegion.newHRegion(p, log, fs, c,
HRegionInfo.FIRST_META_REGIONINFO, HTableDescriptor.META_TABLEDESC, null);
} else {
@@ -5344,10 +5341,10 @@ public class HRegion implements HeapSize
* is based on the size of the store.
*/
public byte[] checkSplit() {
- // Can't split ROOT/META
+ // Can't split META
if (this.regionInfo.isMetaTable()) {
if (shouldForceSplit()) {
- LOG.warn("Cannot split root/meta regions in HBase 0.20 and above");
+ LOG.warn("Cannot split meta region in HBase 0.20 and above");
}
return null;
}
Modified: hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java (original)
+++ hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java Fri Mar 8 22:46:16 2013
@@ -46,7 +46,6 @@ import java.util.TreeSet;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ConcurrentSkipListMap;
-import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import javax.management.ObjectName;
@@ -179,10 +178,8 @@ import org.apache.hadoop.hbase.regionser
import org.apache.hadoop.hbase.regionserver.compactions.CompactionProgress;
import org.apache.hadoop.hbase.regionserver.handler.CloseMetaHandler;
import org.apache.hadoop.hbase.regionserver.handler.CloseRegionHandler;
-import org.apache.hadoop.hbase.regionserver.handler.CloseRootHandler;
import org.apache.hadoop.hbase.regionserver.handler.OpenMetaHandler;
import org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler;
-import org.apache.hadoop.hbase.regionserver.handler.OpenRootHandler;
import org.apache.hadoop.hbase.regionserver.snapshot.RegionServerSnapshotManager;
import org.apache.hadoop.hbase.regionserver.wal.HLog;
import org.apache.hadoop.hbase.regionserver.wal.HLogFactory;
@@ -202,11 +199,11 @@ import org.apache.hadoop.hbase.util.Thre
import org.apache.hadoop.hbase.util.VersionInfo;
import org.apache.hadoop.hbase.zookeeper.ClusterStatusTracker;
import org.apache.hadoop.hbase.zookeeper.MasterAddressTracker;
-import org.apache.hadoop.hbase.zookeeper.RootRegionTracker;
import org.apache.hadoop.hbase.zookeeper.ZKClusterId;
import org.apache.hadoop.hbase.zookeeper.ZKUtil;
import org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker;
import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
+import org.apache.hadoop.hbase.zookeeper.MetaRegionTracker;
import org.apache.hadoop.ipc.RemoteException;
import org.apache.hadoop.metrics.util.MBeanUtil;
import org.apache.hadoop.net.DNS;
@@ -312,7 +309,6 @@ public class HRegionServer implements Cl
protected final Configuration conf;
- protected final AtomicBoolean haveRootRegion = new AtomicBoolean(false);
private boolean useHBaseChecksum; // verify hbase checksums?
private Path rootDir;
@@ -567,7 +563,7 @@ public class HRegionServer implements Cl
/**
* Utility used ensuring higher quality of service for priority rpcs; e.g.
- * rpcs to .META. and -ROOT-, etc.
+ * rpcs to .META., etc.
*/
class QosFunction implements Function<RpcRequestBody,Integer> {
private final Map<String, Integer> annotatedQos;
@@ -968,7 +964,7 @@ public class HRegionServer implements Cl
LOG.info("stopping server " + this.serverNameFromMasterPOV);
}
// Interrupt catalog tracker here in case any regions being opened out in
- // handlers are stuck waiting on meta or root.
+ // handlers are stuck waiting on meta.
if (this.catalogTracker != null) this.catalogTracker.stop();
// stop the snapshot handler, forcefully killing all running tasks
@@ -1027,8 +1023,7 @@ public class HRegionServer implements Cl
}
private boolean containsMetaTableRegions() {
- return onlineRegions.containsKey(HRegionInfo.ROOT_REGIONINFO.getEncodedName())
- || onlineRegions.containsKey(HRegionInfo.FIRST_META_REGIONINFO.getEncodedName());
+ return onlineRegions.containsKey(HRegionInfo.FIRST_META_REGIONINFO.getEncodedName());
}
private boolean areAllUserRegionsOffline() {
@@ -1534,14 +1529,10 @@ public class HRegionServer implements Cl
this.service = new ExecutorService(getServerName().toString());
this.service.startExecutorService(ExecutorType.RS_OPEN_REGION,
conf.getInt("hbase.regionserver.executor.openregion.threads", 3));
- this.service.startExecutorService(ExecutorType.RS_OPEN_ROOT,
- conf.getInt("hbase.regionserver.executor.openroot.threads", 1));
this.service.startExecutorService(ExecutorType.RS_OPEN_META,
conf.getInt("hbase.regionserver.executor.openmeta.threads", 1));
this.service.startExecutorService(ExecutorType.RS_CLOSE_REGION,
conf.getInt("hbase.regionserver.executor.closeregion.threads", 3));
- this.service.startExecutorService(ExecutorType.RS_CLOSE_ROOT,
- conf.getInt("hbase.regionserver.executor.closeroot.threads", 1));
this.service.startExecutorService(ExecutorType.RS_CLOSE_META,
conf.getInt("hbase.regionserver.executor.closemeta.threads", 1));
if (conf.getBoolean(StoreScanner.STORESCANNER_PARALLEL_SEEK_ENABLE, false)) {
@@ -1708,13 +1699,10 @@ public class HRegionServer implements Cl
LOG.error("No sequence number found when opening " + r.getRegionNameAsString());
openSeqNum = 0;
}
- // Update ZK, ROOT or META
- if (r.getRegionInfo().isRootRegion()) {
- RootRegionTracker.setRootLocation(getZooKeeper(),
- this.serverNameFromMasterPOV);
- } else if (r.getRegionInfo().isMetaRegion()) {
- MetaEditor.updateMetaLocation(ct, r.getRegionInfo(),
- this.serverNameFromMasterPOV, openSeqNum);
+ // Update ZK, or META
+ if (r.getRegionInfo().isMetaRegion()) {
+ MetaRegionTracker.setMetaLocation(getZooKeeper(),
+ this.serverNameFromMasterPOV);
} else {
MetaEditor.updateRegionLocation(ct, r.getRegionInfo(),
this.serverNameFromMasterPOV, openSeqNum);
@@ -1974,28 +1962,24 @@ public class HRegionServer implements Cl
}
/**
- * Close root and meta regions if we carry them
+ * Close meta region if we carry it
* @param abort Whether we're running an abort.
*/
void closeMetaTableRegions(final boolean abort) {
HRegion meta = null;
- HRegion root = null;
this.lock.writeLock().lock();
try {
for (Map.Entry<String, HRegion> e: onlineRegions.entrySet()) {
HRegionInfo hri = e.getValue().getRegionInfo();
- if (hri.isRootRegion()) {
- root = e.getValue();
- } else if (hri.isMetaRegion()) {
+ if (hri.isMetaRegion()) {
meta = e.getValue();
}
- if (meta != null && root != null) break;
+ if (meta != null) break;
}
} finally {
this.lock.writeLock().unlock();
}
if (meta != null) closeRegionIgnoreErrors(meta.getRegionInfo(), abort);
- if (root != null) closeRegionIgnoreErrors(root.getRegionInfo(), abort);
}
/**
@@ -2490,9 +2474,7 @@ public class HRegionServer implements Cl
CloseRegionHandler crh;
final HRegionInfo hri = actualRegion.getRegionInfo();
- if (hri.isRootRegion()) {
- crh = new CloseRootHandler(this, this, hri, abort, zk, versionOfClosingNode);
- } else if (hri.isMetaRegion()) {
+ if (hri.isMetaRegion()) {
crh = new CloseMetaHandler(this, this, hri, abort, zk, versionOfClosingNode);
} else {
crh = new CloseRegionHandler(this, this, hri, abort, zk, versionOfClosingNode, sn);
@@ -3487,10 +3469,7 @@ public class HRegionServer implements Cl
if (previous == null) {
// If there is no action in progress, we can submit a specific handler.
// Need to pass the expected version in the constructor.
- if (region.isRootRegion()) {
- this.service.submit(new OpenRootHandler(this, this, region, htd,
- versionOfOfflineNode));
- } else if (region.isMetaRegion()) {
+ if (region.isMetaRegion()) {
this.service.submit(new OpenMetaHandler(this, this, region, htd,
versionOfOfflineNode));
} else {
Modified: hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/handler/OpenRegionHandler.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/handler/OpenRegionHandler.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/handler/OpenRegionHandler.java (original)
+++ hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/handler/OpenRegionHandler.java Fri Mar 8 22:46:16 2013
@@ -218,7 +218,7 @@ public class OpenRegionHandler extends E
}
/**
- * Update ZK, ROOT or META. This can take a while if for example the
+ * Update ZK or META. This can take a while if for example the
* .META. is not available -- if server hosting .META. crashed and we are
* waiting on it to come back -- so run in a thread and keep updating znode
* state meantime so master doesn't timeout our region-in-transition.
Modified: hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/AccessController.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/AccessController.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/AccessController.java (original)
+++ hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/AccessController.java Fri Mar 8 22:46:16 2013
@@ -205,9 +205,9 @@ public class AccessController extends Ba
HRegionInfo hri = e.getRegion().getRegionInfo();
byte[] tableName = hri.getTableName();
- // 1. All users need read access to .META. and -ROOT- tables.
+ // 1. All users need read access to .META. table.
// this is a very common operation, so deal with it quickly.
- if (hri.isRootRegion() || hri.isMetaRegion()) {
+ if (hri.isMetaRegion()) {
if (permRequest == Permission.Action.READ) {
return AuthResult.allow(request, "All users allowed", user,
permRequest, tableName, families);
@@ -225,7 +225,7 @@ public class AccessController extends Ba
// e.g. When a table is removed an entry is removed from .META. and _acl_
// and the user need to be allowed to write on both tables.
if (permRequest == Permission.Action.WRITE &&
- (hri.isRootRegion() || hri.isMetaRegion() ||
+ (hri.isMetaRegion() ||
Bytes.equals(tableName, AccessControlLists.ACL_GLOBAL_NAME)) &&
(authManager.authorize(user, Permission.Action.CREATE) ||
authManager.authorize(user, Permission.Action.ADMIN)))
Modified: hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java (original)
+++ hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java Fri Mar 8 22:46:16 2013
@@ -452,7 +452,7 @@ public abstract class FSUtils {
throws IOException, DeserializationException {
String version = getVersion(fs, rootdir);
if (version == null) {
- if (!rootRegionExists(fs, rootdir)) {
+ if (!metaRegionExists(fs, rootdir)) {
// rootDir is empty (no version file and no root region)
// just create new version file (HBASE-1195)
setVersion(fs, rootdir, wait, retries);
@@ -768,10 +768,10 @@ public abstract class FSUtils {
* @return true if exists
* @throws IOException e
*/
- public static boolean rootRegionExists(FileSystem fs, Path rootdir)
+ public static boolean metaRegionExists(FileSystem fs, Path rootdir)
throws IOException {
Path rootRegionDir =
- HRegion.getRegionDir(rootdir, HRegionInfo.ROOT_REGIONINFO);
+ HRegion.getRegionDir(rootdir, HRegionInfo.FIRST_META_REGIONINFO);
return fs.exists(rootRegionDir);
}
Modified: hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java (original)
+++ hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java Fri Mar 8 22:46:16 2013
@@ -93,7 +93,7 @@ import org.apache.hadoop.hbase.util.HBas
import org.apache.hadoop.hbase.util.hbck.HFileCorruptionChecker;
import org.apache.hadoop.hbase.util.hbck.TableIntegrityErrorHandler;
import org.apache.hadoop.hbase.util.hbck.TableIntegrityErrorHandlerImpl;
-import org.apache.hadoop.hbase.zookeeper.RootRegionTracker;
+import org.apache.hadoop.hbase.zookeeper.MetaRegionTracker;
import org.apache.hadoop.hbase.zookeeper.ZKTableReadOnly;
import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
import org.apache.hadoop.security.AccessControlException;
@@ -196,7 +196,7 @@ public class HBaseFsck extends Configure
private boolean fixReferenceFiles = false; // fix lingering reference store file
// limit checking/fixes to listed tables, if empty attempt to check/fix all
- // -ROOT- and .META. are always checked
+ // .META. are always checked
private Set<String> tablesIncluded = new HashSet<String>();
private int maxMerge = DEFAULT_MAX_MERGE; // maximum number of overlapping regions to merge
private int maxOverlapsToSideline = DEFAULT_OVERLAPS_TO_SIDELINE; // maximum number of overlapping regions to sideline
@@ -233,7 +233,7 @@ public class HBaseFsck extends Configure
* If tablesIncluded is empty, this map contains all tables.
* Otherwise, it contains only meta tables and tables in tablesIncluded,
* unless checkMetaOnly is specified, in which case, it contains only
- * the meta tables (.META. and -ROOT-).
+ * the meta table
*/
private SortedMap<String, TableInfo> tablesInfo = new ConcurrentSkipListMap<String,TableInfo>();
@@ -257,7 +257,7 @@ public class HBaseFsck extends Configure
errors = getErrorReporter(conf);
int numThreads = conf.getInt("hbasefsck.numthreads", MAX_NUM_THREADS);
- executor = new ScheduledThreadPoolExecutor(numThreads);
+ executor = new ScheduledThreadPoolExecutor(numThreads, Threads.newDaemonThreadFactory("hbasefsck"));
}
/**
@@ -691,8 +691,7 @@ public class HBaseFsck extends Configure
String tableName = td.getNameAsString();
errors.detail(" Table: " + tableName + "\t" +
(td.isReadOnly() ? "ro" : "rw") + "\t" +
- (td.isRootRegion() ? "ROOT" :
- (td.isMetaRegion() ? "META" : " ")) + "\t" +
+ (td.isMetaRegion() ? "META" : " ") + "\t" +
" families: " + td.getFamilies().size());
}
}
@@ -915,23 +914,14 @@ public class HBaseFsck extends Configure
*
* @return an open .META. HRegion
*/
- private HRegion createNewRootAndMeta() throws IOException {
- Path rootdir = new Path(getConf().get(HConstants.HBASE_DIR));
+ private HRegion createNewMeta() throws IOException {
+ Path rootdir = FSUtils.getRootDir(getConf());
Configuration c = getConf();
- HRegionInfo rootHRI = new HRegionInfo(HRegionInfo.ROOT_REGIONINFO);
- MasterFileSystem.setInfoFamilyCachingForRoot(false);
HRegionInfo metaHRI = new HRegionInfo(HRegionInfo.FIRST_META_REGIONINFO);
MasterFileSystem.setInfoFamilyCachingForMeta(false);
- HRegion root = HRegion.createHRegion(rootHRI, rootdir, c,
- HTableDescriptor.ROOT_TABLEDESC);
HRegion meta = HRegion.createHRegion(metaHRI, rootdir, c,
HTableDescriptor.META_TABLEDESC);
- MasterFileSystem.setInfoFamilyCachingForRoot(true);
MasterFileSystem.setInfoFamilyCachingForMeta(true);
-
- // Add first region from the META table to the ROOT region.
- HRegion.addRegionToMETA(root, meta);
- HRegion.closeHRegion(root);
return meta;
}
@@ -947,9 +937,8 @@ public class HBaseFsck extends Configure
for (Entry<String, TableInfo> e : tablesInfo.entrySet()) {
String name = e.getKey();
- // skip "-ROOT-" and ".META."
- if (Bytes.compareTo(Bytes.toBytes(name), HConstants.ROOT_TABLE_NAME) == 0
- || Bytes.compareTo(Bytes.toBytes(name), HConstants.META_TABLE_NAME) == 0) {
+ // skip ".META."
+ if (Bytes.compareTo(Bytes.toBytes(name), HConstants.META_TABLE_NAME) == 0) {
continue;
}
@@ -1029,24 +1018,24 @@ public class HBaseFsck extends Configure
}
}
- // we can rebuild, move old root and meta out of the way and start
+ // we can rebuild, move old meta out of the way and start
LOG.info("HDFS regioninfo's seems good. Sidelining old .META.");
- Path backupDir = sidelineOldRootAndMeta();
+ Path backupDir = sidelineOldMeta();
LOG.info("Creating new .META.");
- HRegion meta = createNewRootAndMeta();
+ HRegion meta = createNewMeta();
// populate meta
List<Put> puts = generatePuts(tablesInfo);
if (puts == null) {
LOG.fatal("Problem encountered when creating new .META. entries. " +
- "You may need to restore the previously sidelined -ROOT- and .META.");
+ "You may need to restore the previously sidelined .META.");
return false;
}
meta.put(puts.toArray(new Put[0]));
HRegion.closeHRegion(meta);
LOG.info("Success! .META. table rebuilt.");
- LOG.info("Old -ROOT- and .META. are moved into " + backupDir);
+ LOG.info("Old .META. is moved into " + backupDir);
return true;
}
@@ -1186,29 +1175,18 @@ public class HBaseFsck extends Configure
/**
* @return Path to backup of original directory
*/
- Path sidelineOldRootAndMeta() throws IOException {
- // put current -ROOT- and .META. aside.
+ Path sidelineOldMeta() throws IOException {
+ // put current .META. aside.
Path hbaseDir = new Path(getConf().get(HConstants.HBASE_DIR));
FileSystem fs = hbaseDir.getFileSystem(getConf());
Path backupDir = getSidelineDir();
fs.mkdirs(backupDir);
-
- sidelineTable(fs, HConstants.ROOT_TABLE_NAME, hbaseDir, backupDir);
try {
sidelineTable(fs, HConstants.META_TABLE_NAME, hbaseDir, backupDir);
} catch (IOException e) {
- LOG.error("Attempt to sideline meta failed, attempt to revert...", e);
- try {
- // move it back.
- sidelineTable(fs, HConstants.ROOT_TABLE_NAME, backupDir, hbaseDir);
- LOG.warn("... revert succeed. -ROOT- and .META. still in "
- + "original state.");
- } catch (IOException ioe) {
- LOG.fatal("... failed to sideline root and meta and failed to restore "
- + "prevoius state. Currently in inconsistent state. To restore "
- + "try to rename -ROOT- in " + backupDir.getName() + " to "
- + hbaseDir.getName() + ".", ioe);
- }
+ LOG.fatal("... failed to sideline meta. Currently in inconsistent state. To restore "
+ + "try to rename .META. in " + backupDir.getName() + " to "
+ + hbaseDir.getName() + ".", e);
throw e; // throw original exception
}
return backupDir;
@@ -1265,7 +1243,6 @@ public class HBaseFsck extends Configure
foundVersionFile = true;
} else {
if ((!checkMetaOnly && isTableIncluded(dirName)) ||
- dirName.equals("-ROOT-") ||
dirName.equals(".META.")) {
tableDirs.add(file);
}
@@ -1309,31 +1286,29 @@ public class HBaseFsck extends Configure
}
/**
- * Record the location of the ROOT region as found in ZooKeeper,
- * as if it were in a META table. This is so that we can check
- * deployment of ROOT.
- */
- private boolean recordRootRegion() throws IOException {
- HRegionLocation rootLocation = connection.locateRegion(
- HConstants.ROOT_TABLE_NAME, HConstants.EMPTY_START_ROW);
-
- // Check if Root region is valid and existing
- if (rootLocation == null || rootLocation.getRegionInfo() == null ||
- rootLocation.getHostname() == null) {
- errors.reportError(ERROR_CODE.NULL_ROOT_REGION,
- "Root Region or some of its attributes are null.");
+ * Record the location of the META region as found in ZooKeeper.
+ */
+ private boolean recordMetaRegion() throws IOException {
+ HRegionLocation metaLocation = connection.locateRegion(
+ HConstants.META_TABLE_NAME, HConstants.EMPTY_START_ROW);
+
+ // Check if Meta region is valid and existing
+ if (metaLocation == null || metaLocation.getRegionInfo() == null ||
+ metaLocation.getHostname() == null) {
+ errors.reportError(ERROR_CODE.NULL_META_REGION,
+ "META region or some of its attributes are null.");
return false;
}
ServerName sn;
try {
- sn = getRootRegionServerName();
+ sn = getMetaRegionServerName();
} catch (KeeperException e) {
throw new IOException(e);
}
MetaEntry m =
- new MetaEntry(rootLocation.getRegionInfo(), sn, System.currentTimeMillis());
+ new MetaEntry(metaLocation.getRegionInfo(), sn, System.currentTimeMillis());
HbckInfo hbInfo = new HbckInfo(m);
- regionInfoMap.put(rootLocation.getRegionInfo().getEncodedName(), hbInfo);
+ regionInfoMap.put(metaLocation.getRegionInfo().getEncodedName(), hbInfo);
return true;
}
@@ -1353,12 +1328,12 @@ public class HBaseFsck extends Configure
});
}
- private ServerName getRootRegionServerName()
+ private ServerName getMetaRegionServerName()
throws IOException, KeeperException {
ZooKeeperWatcher zkw = createZooKeeperWatcher();
ServerName sn = null;
try {
- sn = RootRegionTracker.getRootRegionLocation(zkw);
+ sn = MetaRegionTracker.getMetaRegionLocation(zkw);
} finally {
zkw.close();
}
@@ -2521,14 +2496,14 @@ public class HBaseFsck extends Configure
}
/**
- * Scan .META. and -ROOT-, adding all regions found to the regionInfo map.
+ * Scan .META., adding all regions found to the regionInfo map.
* @throws IOException if an error is encountered
*/
boolean loadMetaEntries() throws IOException {
// get a list of all regions from the master. This involves
// scanning the META table
- if (!recordRootRegion()) {
+ if (!recordMetaRegion()) {
// Will remove later if we can fix it
errors.reportError("Fatal error: unable to get root region location. Exiting...");
return false;
@@ -2560,7 +2535,7 @@ public class HBaseFsck extends Configure
}
HRegionInfo hri = pair.getFirst();
if (!(isTableIncluded(hri.getTableNameAsString())
- || hri.isMetaRegion() || hri.isRootRegion())) {
+ || hri.isMetaRegion())) {
return true;
}
PairOfSameType<HRegionInfo> daughters = HRegionInfo.getDaughterRegions(result);
@@ -2583,11 +2558,6 @@ public class HBaseFsck extends Configure
}
}
};
-
- // Scan -ROOT- to pick up META regions
- MetaScanner.metaScan(getConf(), visitor, null, null,
- Integer.MAX_VALUE, HConstants.ROOT_TABLE_NAME);
-
if (!checkMetaOnly) {
// Scan .META. to pick up user regions
MetaScanner.metaScan(getConf(), visitor);
@@ -2871,7 +2841,7 @@ public class HBaseFsck extends Configure
public interface ErrorReporter {
public static enum ERROR_CODE {
- UNKNOWN, NO_META_REGION, NULL_ROOT_REGION, NO_VERSION_FILE, NOT_IN_META_HDFS, NOT_IN_META,
+ UNKNOWN, NO_META_REGION, NULL_META_REGION, NO_VERSION_FILE, NOT_IN_META_HDFS, NOT_IN_META,
NOT_IN_META_OR_DEPLOYED, NOT_IN_HDFS_OR_DEPLOYED, NOT_IN_HDFS, SERVER_DOES_NOT_MATCH_META, NOT_DEPLOYED,
MULTI_DEPLOYED, SHOULD_NOT_BE_DEPLOYED, MULTI_META_REGION, RS_CONNECT_FAILURE,
FIRST_REGION_STARTKEY_NOT_EMPTY, LAST_REGION_ENDKEY_NOT_EMPTY, DUPE_STARTKEYS,
@@ -3416,8 +3386,8 @@ public class HBaseFsck extends Configure
out.println(" -sleepBeforeRerun <timeInSeconds> Sleep this many seconds" +
" before checking if the fix worked if run with -fix");
out.println(" -summary Print only summary of the tables and status.");
- out.println(" -metaonly Only check the state of ROOT and META tables.");
- out.println(" -sidelineDir <hdfs://> HDFS path to backup existing meta and root.");
+ out.println(" -metaonly Only check the state of the .META. table.");
+ out.println(" -sidelineDir <hdfs://> HDFS path to backup existing meta.");
out.println("");
out.println(" Metadata Repair options: (expert features, use with caution!)");
Modified: hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HMerge.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HMerge.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HMerge.java (original)
+++ hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HMerge.java Fri Mar 8 22:46:16 2013
@@ -121,7 +121,7 @@ class HMerge {
throw new IllegalStateException(
"Can not compact META table if instance is on-line");
}
- new OfflineMerger(conf, fs).process();
+ // TODO reenable new OfflineMerger(conf, fs).process();
} else {
if(!masterIsRunning) {
throw new IllegalStateException(
@@ -333,90 +333,4 @@ class HMerge {
}
}
}
-
- /** Instantiated to compact the meta region */
- private static class OfflineMerger extends Merger {
- private final List<HRegionInfo> metaRegions = new ArrayList<HRegionInfo>();
- private final HRegion root;
-
- OfflineMerger(Configuration conf, FileSystem fs)
- throws IOException {
- super(conf, fs, HConstants.META_TABLE_NAME);
-
- Path rootDir = FSUtils.getRootDir(conf);
-
- // Scan root region to find all the meta regions
- root = HRegion.openHRegion(conf, fs, rootDir, HRegionInfo.ROOT_REGIONINFO,
- HTableDescriptor.ROOT_TABLEDESC, hlog);
-
- Scan scan = new Scan();
- scan.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
- InternalScanner rootScanner = root.getScanner(scan);
-
- try {
- List<KeyValue> results = new ArrayList<KeyValue>();
- boolean hasMore;
- do {
- hasMore = rootScanner.next(results);
- for(KeyValue kv: results) {
- HRegionInfo info = HRegionInfo.parseFromOrNull(kv.getValue());
- if (info != null) {
- metaRegions.add(info);
- }
- }
- } while (hasMore);
- } finally {
- rootScanner.close();
- try {
- root.close();
-
- } catch(IOException e) {
- LOG.error(e);
- }
- }
- }
-
- @Override
- protected HRegionInfo[] next() {
- HRegionInfo[] results = null;
- if (metaRegions.size() > 0) {
- results = metaRegions.toArray(new HRegionInfo[metaRegions.size()]);
- metaRegions.clear();
- }
- return results;
- }
-
- @Override
- protected void updateMeta(final byte [] oldRegion1,
- final byte [] oldRegion2, HRegion newRegion)
- throws IOException {
- byte[][] regionsToDelete = {oldRegion1, oldRegion2};
- for(int r = 0; r < regionsToDelete.length; r++) {
- Delete delete = new Delete(regionsToDelete[r]);
- delete.deleteColumns(HConstants.CATALOG_FAMILY,
- HConstants.REGIONINFO_QUALIFIER);
- delete.deleteColumns(HConstants.CATALOG_FAMILY,
- HConstants.SERVER_QUALIFIER);
- delete.deleteColumns(HConstants.CATALOG_FAMILY,
- HConstants.STARTCODE_QUALIFIER);
- delete.deleteColumns(HConstants.CATALOG_FAMILY,
- HConstants.SPLITA_QUALIFIER);
- delete.deleteColumns(HConstants.CATALOG_FAMILY,
- HConstants.SPLITB_QUALIFIER);
- root.delete(delete, true);
-
- if(LOG.isDebugEnabled()) {
- LOG.debug("updated columns in row: " + Bytes.toStringBinary(regionsToDelete[r]));
- }
- }
- HRegionInfo newInfo = newRegion.getRegionInfo();
- newInfo.setOffline(true);
-
- Put put = MetaEditor.makePutFromRegionInfo(newInfo);
- root.put(put);
- if(LOG.isDebugEnabled()) {
- LOG.debug("updated columns in row: " + Bytes.toStringBinary(newRegion.getRegionName()));
- }
- }
- }
}
Modified: hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/Merge.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/Merge.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/Merge.java (original)
+++ hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/Merge.java Fri Mar 8 22:46:16 2013
@@ -109,23 +109,10 @@ public class Merge extends Configured im
this.utils = new MetaUtils(getConf());
this.rootdir = FSUtils.getRootDir(getConf());
try {
- if (isMetaTable) {
- mergeTwoMetaRegions();
- } else {
- mergeTwoRegions();
- }
+ mergeTwoRegions();
return 0;
} catch (Exception e) {
LOG.fatal("Merge failed", e);
- utils.scanMetaRegion(HRegionInfo.FIRST_META_REGIONINFO,
- new MetaUtils.ScannerListener() {
- public boolean processRow(HRegionInfo info) {
- System.err.println(info.toString());
- return true;
- }
- }
- );
-
return -1;
} finally {
@@ -141,155 +128,56 @@ public class Merge extends Configured im
}
/*
- * Merge two meta regions. This is unlikely to be needed soon as we have only
- * seend the meta table split once and that was with 64MB regions. With 256MB
- * regions, it will be some time before someone has enough data in HBase to
- * split the meta region and even less likely that a merge of two meta
- * regions will be needed, but it is included for completeness.
- */
- private void mergeTwoMetaRegions() throws IOException {
- HRegion rootRegion = utils.getRootRegion();
- Get get = new Get(region1);
- get.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
- Result result1 = rootRegion.get(get);
- Preconditions.checkState(!result1.isEmpty(), "First region cells can not be null");
- HRegionInfo info1 = HRegionInfo.getHRegionInfo(result1);
-
- get = new Get(region2);
- get.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
- Result result2 = rootRegion.get(get);
- Preconditions.checkState(!result2.isEmpty(), "Second region cells can not be null");
- HRegionInfo info2 = HRegionInfo.getHRegionInfo(result2);
- HRegion merged = merge(HTableDescriptor.META_TABLEDESC, info1, rootRegion, info2, rootRegion);
- LOG.info("Adding " + merged.getRegionInfo() + " to " +
- rootRegion.getRegionInfo());
- HRegion.addRegionToMETA(rootRegion, merged);
- merged.close();
- }
-
- private static class MetaScannerListener
- implements MetaUtils.ScannerListener {
- private final byte [] region1;
- private final byte [] region2;
- private HRegionInfo meta1 = null;
- private HRegionInfo meta2 = null;
-
- MetaScannerListener(final byte [] region1, final byte [] region2) {
- this.region1 = region1;
- this.region2 = region2;
- }
-
- public boolean processRow(HRegionInfo info) {
- if (meta1 == null && HRegion.rowIsInRange(info, region1)) {
- meta1 = info;
- }
- if (region2 != null && meta2 == null &&
- HRegion.rowIsInRange(info, region2)) {
- meta2 = info;
- }
- return meta1 == null || (region2 != null && meta2 == null);
- }
-
- HRegionInfo getMeta1() {
- return meta1;
- }
-
- HRegionInfo getMeta2() {
- return meta2;
- }
- }
-
- /*
* Merges two regions from a user table.
*/
private void mergeTwoRegions() throws IOException {
LOG.info("Merging regions " + Bytes.toStringBinary(this.region1) + " and " +
Bytes.toStringBinary(this.region2) + " in table " + Bytes.toString(this.tableName));
- // Scan the root region for all the meta regions that contain the regions
- // we're merging.
- MetaScannerListener listener = new MetaScannerListener(region1, region2);
- this.utils.scanRootRegion(listener);
- HRegionInfo meta1 = listener.getMeta1();
- if (meta1 == null) {
- throw new IOException("Could not find meta region for " + Bytes.toStringBinary(region1));
- }
- HRegionInfo meta2 = listener.getMeta2();
- if (meta2 == null) {
- throw new IOException("Could not find meta region for " + Bytes.toStringBinary(region2));
- }
- LOG.info("Found meta for region1 " + Bytes.toStringBinary(meta1.getRegionName()) +
- ", meta for region2 " + Bytes.toStringBinary(meta2.getRegionName()));
- HRegion metaRegion1 = this.utils.getMetaRegion(meta1);
+ HRegion meta = this.utils.getMetaRegion();
Get get = new Get(region1);
get.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
- Result result1 = metaRegion1.get(get);
+ Result result1 = meta.get(get);
Preconditions.checkState(!result1.isEmpty(),
"First region cells can not be null");
HRegionInfo info1 = HRegionInfo.getHRegionInfo(result1);
if (info1 == null) {
throw new NullPointerException("info1 is null using key " +
- Bytes.toStringBinary(region1) + " in " + meta1);
- }
-
- HRegion metaRegion2;
- if (Bytes.equals(meta1.getRegionName(), meta2.getRegionName())) {
- metaRegion2 = metaRegion1;
- } else {
- metaRegion2 = utils.getMetaRegion(meta2);
+ Bytes.toStringBinary(region1) + " in " + meta);
}
get = new Get(region2);
get.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
- Result result2 = metaRegion2.get(get);
+ Result result2 = meta.get(get);
Preconditions.checkState(!result2.isEmpty(),
"Second region cells can not be null");
HRegionInfo info2 = HRegionInfo.getHRegionInfo(result2);
if (info2 == null) {
- throw new NullPointerException("info2 is null using key " + meta2);
+ throw new NullPointerException("info2 is null using key " + meta);
}
HTableDescriptor htd = FSTableDescriptors.getTableDescriptor(FileSystem.get(getConf()),
this.rootdir, this.tableName);
- HRegion merged = merge(htd, info1, metaRegion1, info2, metaRegion2);
-
- // Now find the meta region which will contain the newly merged region
+ HRegion merged = merge(htd, meta, info1, info2);
- listener = new MetaScannerListener(merged.getRegionName(), null);
- utils.scanRootRegion(listener);
- HRegionInfo mergedInfo = listener.getMeta1();
- if (mergedInfo == null) {
- throw new IOException("Could not find meta region for " +
- Bytes.toStringBinary(merged.getRegionName()));
- }
- HRegion mergeMeta;
- if (Bytes.equals(mergedInfo.getRegionName(), meta1.getRegionName())) {
- mergeMeta = metaRegion1;
- } else if (Bytes.equals(mergedInfo.getRegionName(), meta2.getRegionName())) {
- mergeMeta = metaRegion2;
- } else {
- mergeMeta = utils.getMetaRegion(mergedInfo);
- }
LOG.info("Adding " + merged.getRegionInfo() + " to " +
- mergeMeta.getRegionInfo());
+ meta.getRegionInfo());
- HRegion.addRegionToMETA(mergeMeta, merged);
+ HRegion.addRegionToMETA(meta, merged);
merged.close();
}
/*
* Actually merge two regions and update their info in the meta region(s)
- * If the meta is split, meta1 may be different from meta2. (and we may have
- * to scan the meta if the resulting merged region does not go in either)
* Returns HRegion object for newly merged region
*/
- private HRegion merge(final HTableDescriptor htd, HRegionInfo info1,
- HRegion meta1, HRegionInfo info2, HRegion meta2)
+ private HRegion merge(final HTableDescriptor htd, HRegion meta,
+ HRegionInfo info1, HRegionInfo info2)
throws IOException {
if (info1 == null) {
throw new IOException("Could not find " + Bytes.toStringBinary(region1) + " in " +
- Bytes.toStringBinary(meta1.getRegionName()));
+ Bytes.toStringBinary(meta.getRegionName()));
}
if (info2 == null) {
throw new IOException("Cound not find " + Bytes.toStringBinary(region2) + " in " +
- Bytes.toStringBinary(meta2.getRegionName()));
+ Bytes.toStringBinary(meta.getRegionName()));
}
HRegion merged = null;
HLog log = utils.getLog();
@@ -312,8 +200,8 @@ public class Merge extends Configured im
// Remove the old regions from meta.
// HRegion.merge has already deleted their files
- removeRegionFromMeta(meta1, info1);
- removeRegionFromMeta(meta2, info2);
+ removeRegionFromMeta(meta, info1);
+ removeRegionFromMeta(meta, info2);
this.mergeInfo = merged.getRegionInfo();
return merged;
Modified: hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/MetaUtils.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/MetaUtils.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/MetaUtils.java (original)
+++ hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/util/MetaUtils.java Fri Mar 8 22:46:16 2013
@@ -31,7 +31,6 @@ import org.apache.commons.logging.LogFac
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HRegionInfo;
@@ -62,7 +61,7 @@ public class MetaUtils {
private final Configuration conf;
private FileSystem fs;
private HLog log;
- private HRegion rootRegion;
+ private HRegion metaRegion;
private Map<byte [], HRegion> metaRegions = Collections.synchronizedSortedMap(
new TreeMap<byte [], HRegion>(Bytes.BYTES_COMPARATOR));
@@ -80,7 +79,7 @@ public class MetaUtils {
public MetaUtils(Configuration conf) throws IOException {
this.conf = conf;
conf.setInt("hbase.client.retries.number", 1);
- this.rootRegion = null;
+ this.metaRegion = null;
initialize();
}
@@ -107,31 +106,14 @@ public class MetaUtils {
}
/**
- * @return HRegion for root region
+ * @return HRegion for meta region
* @throws IOException e
*/
- public HRegion getRootRegion() throws IOException {
- if (this.rootRegion == null) {
- openRootRegion();
+ public HRegion getMetaRegion() throws IOException {
+ if (this.metaRegion == null) {
+ openMetaRegion();
}
- return this.rootRegion;
- }
-
- /**
- * Open or return cached opened meta region
- *
- * @param metaInfo HRegionInfo for meta region
- * @return meta HRegion
- * @throws IOException e
- */
- public HRegion getMetaRegion(HRegionInfo metaInfo) throws IOException {
- HRegion meta = metaRegions.get(metaInfo.getRegionName());
- if (meta == null) {
- meta = openMetaRegion(metaInfo);
- LOG.info("OPENING META " + meta.toString());
- this.metaRegions.put(metaInfo.getRegionName(), meta);
- }
- return meta;
+ return this.metaRegion;
}
/**
@@ -140,13 +122,13 @@ public class MetaUtils {
* MetaUtils edit session.
*/
public void shutdown() {
- if (this.rootRegion != null) {
+ if (this.metaRegion != null) {
try {
- this.rootRegion.close();
+ this.metaRegion.close();
} catch (IOException e) {
- LOG.error("closing root region", e);
+ LOG.error("closing meta region", e);
} finally {
- this.rootRegion = null;
+ this.metaRegion = null;
}
}
try {
@@ -171,229 +153,14 @@ public class MetaUtils {
}
}
- /**
- * Used by scanRootRegion and scanMetaRegion to call back the caller so it
- * can process the data for a row.
- */
- public interface ScannerListener {
- /**
- * Callback so client of scanner can process row contents
- *
- * @param info HRegionInfo for row
- * @return false to terminate the scan
- * @throws IOException e
- */
- public boolean processRow(HRegionInfo info) throws IOException;
- }
-
- /**
- * Scans the root region. For every meta region found, calls the listener with
- * the HRegionInfo of the meta region.
- *
- * @param listener method to be called for each meta region found
- * @throws IOException e
- */
- public void scanRootRegion(ScannerListener listener) throws IOException {
- // Open root region so we can scan it
- if (this.rootRegion == null) {
- openRootRegion();
+ private synchronized HRegion openMetaRegion() throws IOException {
+ if (this.metaRegion != null) {
+ return this.metaRegion;
}
- scanMetaRegion(this.rootRegion, listener);
- }
-
- /**
- * Scan the passed in metaregion <code>m</code> invoking the passed
- * <code>listener</code> per row found.
- * @param r region
- * @param listener scanner listener
- * @throws IOException e
- */
- public void scanMetaRegion(final HRegion r, final ScannerListener listener)
- throws IOException {
- Scan scan = new Scan();
- scan.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
- InternalScanner s = r.getScanner(scan);
- try {
- List<KeyValue> results = new ArrayList<KeyValue>();
- boolean hasNext = true;
- do {
- hasNext = s.next(results);
- HRegionInfo info = null;
- for (KeyValue kv: results) {
- info = HRegionInfo.parseFromOrNull(kv.getValue());
- if (info == null) {
- LOG.warn("Region info is null for row " +
- Bytes.toStringBinary(kv.getRow()) + " in table " +
- r.getTableDesc().getNameAsString());
- }
- continue;
- }
- if (!listener.processRow(info)) {
- break;
- }
- results.clear();
- } while (hasNext);
- } finally {
- s.close();
- }
- }
-
- /**
- * Scans a meta region. For every region found, calls the listener with
- * the HRegionInfo of the region.
- * TODO: Use Visitor rather than Listener pattern. Allow multiple Visitors.
- * Use this everywhere we scan meta regions: e.g. in metascanners, in close
- * handling, etc. Have it pass in the whole row, not just HRegionInfo.
- * <p>Use for reading meta only. Does not close region when done.
- * Use {@link #getMetaRegion(HRegionInfo)} instead if writing. Adds
- * meta region to list that will get a close on {@link #shutdown()}.
- *
- * @param metaRegionInfo HRegionInfo for meta region
- * @param listener method to be called for each meta region found
- * @throws IOException e
- */
- public void scanMetaRegion(HRegionInfo metaRegionInfo,
- ScannerListener listener)
- throws IOException {
- // Open meta region so we can scan it
- HRegion metaRegion = openMetaRegion(metaRegionInfo);
- scanMetaRegion(metaRegion, listener);
- }
-
- private synchronized HRegion openRootRegion() throws IOException {
- if (this.rootRegion != null) {
- return this.rootRegion;
- }
- this.rootRegion = HRegion.openHRegion(HRegionInfo.ROOT_REGIONINFO,
- HTableDescriptor.ROOT_TABLEDESC, getLog(),
+ this.metaRegion = HRegion.openHRegion(HRegionInfo.FIRST_META_REGIONINFO,
+ HTableDescriptor.META_TABLEDESC, getLog(),
this.conf);
- this.rootRegion.compactStores();
- return this.rootRegion;
- }
-
- private HRegion openMetaRegion(HRegionInfo metaInfo) throws IOException {
- HRegion meta = HRegion.openHRegion(metaInfo, HTableDescriptor.META_TABLEDESC,
- getLog(), this.conf);
- meta.compactStores();
- return meta;
- }
-
- /**
- * Set a single region on/offline.
- * This is a tool to repair tables that have offlined tables in their midst.
- * Can happen on occasion. Use at your own risk. Call from a bit of java
- * or jython script. This method is 'expensive' in that it creates a
- * {@link HTable} instance per invocation to go against <code>.META.</code>
- * @param c A configuration that has its <code>hbase.master</code>
- * properly set.
- * @param row Row in the catalog .META. table whose HRegionInfo's offline
- * status we want to change.
- * @param onlineOffline Pass <code>true</code> to OFFLINE the region.
- * @throws IOException e
- */
- public static void changeOnlineStatus (final Configuration c,
- final byte [] row, final boolean onlineOffline)
- throws IOException {
- HTable t = new HTable(c, HConstants.META_TABLE_NAME);
- Get get = new Get(row);
- get.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
- Result res = t.get(get);
- KeyValue [] kvs = res.raw();
- if(kvs.length <= 0) {
- throw new IOException("no information for row " + Bytes.toString(row));
- }
- HRegionInfo info = HRegionInfo.getHRegionInfo(res);
- if (info == null) {
- throw new IOException("no information for row " + Bytes.toString(row));
- }
-
- info.setOffline(onlineOffline);
- MetaEditor.addRegionToMeta(t, info);
-
- Delete delete = new Delete(row);
- delete.deleteColumns(HConstants.CATALOG_FAMILY, HConstants.SERVER_QUALIFIER);
- delete.deleteColumns(HConstants.CATALOG_FAMILY,
- HConstants.STARTCODE_QUALIFIER);
-
- t.delete(delete);
- }
-
- /**
- * Update COL_REGIONINFO in meta region r with HRegionInfo hri
- *
- * @param r region
- * @param hri region info
- * @throws IOException e
- */
- public void updateMETARegionInfo(HRegion r, final HRegionInfo hri)
- throws IOException {
- if (LOG.isDebugEnabled()) {
- Get get = new Get(hri.getRegionName());
- get.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
- Result res = r.get(get);
- KeyValue [] kvs = res.raw();
- if(kvs.length <= 0) {
- return;
- }
-
- HRegionInfo h = HRegionInfo.getHRegionInfo(res);
- if (h == null) {
- return;
- }
- LOG.debug("Old " + Bytes.toString(HConstants.CATALOG_FAMILY) + ":" +
- Bytes.toString(HConstants.REGIONINFO_QUALIFIER) + " for " +
- hri.toString() + " in " + r.toString() + " is: " + h.toString());
- }
-
- Put put = MetaEditor.makePutFromRegionInfo(hri);
- r.put(put);
-
- if (LOG.isDebugEnabled()) {
- Get get = new Get(hri.getRegionName());
- get.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
- Result res = r.get(get);
- KeyValue [] kvs = res.raw();
- if(kvs.length <= 0) {
- return;
- }
- HRegionInfo h = HRegionInfo.getHRegionInfo(res);
- if (h == null) {
- return;
- }
- LOG.debug("New " + Bytes.toString(HConstants.CATALOG_FAMILY) + ":" +
- Bytes.toString(HConstants.REGIONINFO_QUALIFIER) + " for " +
- hri.toString() + " in " + r.toString() + " is: " + h.toString());
- }
- }
-
- /**
- * @return List of {@link HRegionInfo} rows found in the ROOT or META
- * catalog table.
- * @param tableName Name of table to go looking for.
- * @throws IOException e
- * @see #getMetaRegion(HRegionInfo)
- */
- public List<HRegionInfo> getMETARows(final byte [] tableName)
- throws IOException {
- final List<HRegionInfo> result = new ArrayList<HRegionInfo>();
- // If passed table name is META, then return the root region.
- if (Bytes.equals(HConstants.META_TABLE_NAME, tableName)) {
- result.add(openRootRegion().getRegionInfo());
- return result;
- }
- // Return all meta regions that contain the passed tablename.
- scanRootRegion(new ScannerListener() {
- private final Log SL_LOG = LogFactory.getLog(this.getClass());
-
- public boolean processRow(HRegionInfo info) throws IOException {
- SL_LOG.debug("Testing " + info);
- if (Bytes.equals(info.getTableName(),
- HConstants.META_TABLE_NAME)) {
- result.add(info);
- return false;
- }
- return true;
- }});
- return result;
+ this.metaRegion.compactStores();
+ return this.metaRegion;
}
}
Modified: hbase/branches/0.95/hbase-server/src/main/resources/hbase-webapps/master/table.jsp
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/resources/hbase-webapps/master/table.jsp?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/resources/hbase-webapps/master/table.jsp (original)
+++ hbase/branches/0.95/hbase-server/src/main/resources/hbase-webapps/master/table.jsp Fri Mar 8 22:46:16 2013
@@ -41,7 +41,7 @@
String tableName = request.getParameter("name");
HTable table = new HTable(conf, tableName);
String tableHeader = "<h2>Table Regions</h2><table class=\"table table-striped\"><tr><th>Name</th><th>Region Server</th><th>Start Key</th><th>End Key</th><th>Requests</th></tr>";
- ServerName rl = master.getCatalogTracker().getRootLocation();
+ ServerName rl = master.getCatalogTracker().getMetaLocation();
boolean showFragmentation = conf.getBoolean("hbase.master.ui.fragmentation.enabled", false);
boolean readOnly = conf.getBoolean("hbase.master.ui.readonly", false);
Map<String, Integer> frags = null;
@@ -191,22 +191,7 @@
</div>
<div class="row">
<%
- if(tableName.equals(Bytes.toString(HConstants.ROOT_TABLE_NAME))) {
-%>
-<%= tableHeader %>
-<%
- String url = "http://" + rl.getHostname() + ":" + infoPort + "/";
-%>
-<tr>
- <td><%= tableName %></td>
- <td><a href="<%= url %>"><%= rl.getHostname() %>:<%= rl.getPort() %></a></td>
- <td>-</td>
- <td></td>
- <td>-</td>
-</tr>
-</table>
-<%
- } else if(tableName.equals(Bytes.toString(HConstants.META_TABLE_NAME))) {
+ if(tableName.equals(Bytes.toString(HConstants.META_TABLE_NAME))) {
%>
<%= tableHeader %>
<%
Modified: hbase/branches/0.95/hbase-server/src/main/ruby/hbase/admin.rb
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/ruby/hbase/admin.rb?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/ruby/hbase/admin.rb (original)
+++ hbase/branches/0.95/hbase-server/src/main/ruby/hbase/admin.rb Fri Mar 8 22:46:16 2013
@@ -313,7 +313,6 @@ module Hbase
def describe(table_name)
tables = @admin.listTables.to_a
tables << org.apache.hadoop.hbase.HTableDescriptor::META_TABLEDESC
- tables << org.apache.hadoop.hbase.HTableDescriptor::ROOT_TABLEDESC
tables.each do |t|
# Found the table
Modified: hbase/branches/0.95/hbase-server/src/main/ruby/hbase/table.rb
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/ruby/hbase/table.rb?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/ruby/hbase/table.rb (original)
+++ hbase/branches/0.95/hbase-server/src/main/ruby/hbase/table.rb Fri Mar 8 22:46:16 2013
@@ -459,7 +459,7 @@ EOF
# Checks if current table is one of the 'meta' tables
def is_meta_table?
tn = @table.table_name
- org.apache.hadoop.hbase.util.Bytes.equals(tn, org.apache.hadoop.hbase.HConstants::META_TABLE_NAME) || org.apache.hadoop.hbase.util.Bytes.equals(tn, org.apache.hadoop.hbase.HConstants::ROOT_TABLE_NAME)
+ org.apache.hadoop.hbase.util.Bytes.equals(tn, org.apache.hadoop.hbase.HConstants::META_TABLE_NAME)
end
# Returns family and (when has it) qualifier for a column name
Modified: hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestCase.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestCase.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestCase.java (original)
+++ hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestCase.java Fri Mar 8 22:46:16 2013
@@ -60,7 +60,6 @@ public abstract class HBaseTestCase exte
private boolean localfs = false;
protected static Path testDir = null;
protected FileSystem fs = null;
- protected HRegion root = null;
protected HRegion meta = null;
protected static final char FIRST_CHAR = 'a';
protected static final char LAST_CHAR = 'z';
@@ -657,17 +656,13 @@ public abstract class HBaseTestCase exte
* method. It does cleanup.
* @throws IOException
*/
- protected void createRootAndMetaRegions() throws IOException {
- root = HRegion.createHRegion(HRegionInfo.ROOT_REGIONINFO, testDir,
- conf, HTableDescriptor.ROOT_TABLEDESC);
+ protected void createMetaRegion() throws IOException {
meta = HRegion.createHRegion(HRegionInfo.FIRST_META_REGIONINFO, testDir,
conf, HTableDescriptor.META_TABLEDESC);
- HRegion.addRegionToMETA(root, meta);
}
protected void closeRootAndMeta() throws IOException {
HRegion.closeHRegion(meta);
- HRegion.closeHRegion(root);
}
public static void assertByteEquals(byte[] expected,
Modified: hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/TestDrainingServer.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/TestDrainingServer.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/TestDrainingServer.java (original)
+++ hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/TestDrainingServer.java Fri Mar 8 22:46:16 2013
@@ -290,7 +290,7 @@ public class TestDrainingServer {
private static boolean isAllRegionsOnline() {
return TEST_UTIL.getMiniHBaseCluster().countServedRegions() ==
- (COUNT_OF_REGIONS + 2 /*catalog regions*/);
+ (COUNT_OF_REGIONS + 1 /*catalog regions*/);
}
}
Modified: hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/TestRegionRebalancing.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/TestRegionRebalancing.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/TestRegionRebalancing.java (original)
+++ hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/TestRegionRebalancing.java Fri Mar 8 22:46:16 2013
@@ -188,7 +188,7 @@ public class TestRegionRebalancing {
if (!(avg > 2.0 && serverLoad <= avgLoadPlusSlop
&& serverLoad >= avgLoadMinusSlop)) {
for (HRegionInfo hri : ProtobufUtil.getOnlineRegions(server)) {
- if (hri.isMetaRegion() || hri.isRootRegion()) serverLoad--;
+ if (hri.isMetaRegion()) serverLoad--;
// LOG.debug(hri.getRegionNameAsString());
}
if (!(serverLoad <= avgLoadPlusSlop && serverLoad >= avgLoadMinusSlop)) {
@@ -234,7 +234,7 @@ public class TestRegionRebalancing {
* Wait until all the regions are assigned.
*/
private void waitForAllRegionsAssigned() throws IOException {
- int totalRegions = HBaseTestingUtility.KEYS.length+2;
+ int totalRegions = HBaseTestingUtility.KEYS.length+1;
while (getRegionCount() < totalRegions) {
// while (!cluster.getMaster().allRegionsAssigned()) {
LOG.debug("Waiting for there to be "+ totalRegions +" regions, but there are " + getRegionCount() + " right now.");
Modified: hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/catalog/TestCatalogTracker.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/catalog/TestCatalogTracker.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/catalog/TestCatalogTracker.java (original)
+++ hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/catalog/TestCatalogTracker.java Fri Mar 8 22:46:16 2013
@@ -54,7 +54,7 @@ import org.apache.hadoop.hbase.protobuf.
import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.GetResponse;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.Threads;
-import org.apache.hadoop.hbase.zookeeper.RootRegionTracker;
+import org.apache.hadoop.hbase.zookeeper.MetaRegionTracker;
import org.apache.hadoop.hbase.zookeeper.ZKUtil;
import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
import org.apache.hadoop.util.Progressable;
@@ -132,22 +132,22 @@ public class TestCatalogTracker {
HConnection connection = Mockito.mock(HConnection.class);
constructAndStartCatalogTracker(connection);
try {
- RootRegionTracker.setRootLocation(this.watcher,
- new ServerName("example.com", 1234, System.currentTimeMillis()));
+ MetaRegionTracker.setMetaLocation(this.watcher,
+ new ServerName("example.com", 1234, System.currentTimeMillis()));
} finally {
- // Clean out root location or later tests will be confused... they presume
+ // Clean out meta location or later tests will be confused... they presume
// start fresh in zk.
- RootRegionTracker.deleteRootLocation(this.watcher);
+ MetaRegionTracker.deleteMetaLocation(this.watcher);
}
}
/**
- * Test interruptable while blocking wait on root and meta.
+ * Test interruptable while blocking wait on meta.
* @throws IOException
* @throws ServiceException
* @throws InterruptedException
*/
- @Test public void testInterruptWaitOnMetaAndRoot()
+ @Test public void testInterruptWaitOnMeta()
throws IOException, InterruptedException, ServiceException {
final ClientProtocol client = Mockito.mock(ClientProtocol.class);
HConnection connection = mockConnection(null, client);
@@ -155,8 +155,6 @@ public class TestCatalogTracker {
Mockito.when(client.get((RpcController)Mockito.any(), (GetRequest)Mockito.any())).
thenReturn(GetResponse.newBuilder().build());
final CatalogTracker ct = constructAndStartCatalogTracker(connection);
- ServerName hsa = ct.getRootLocation();
- Assert.assertNull(hsa);
ServerName meta = ct.getMetaLocation();
Assert.assertNull(meta);
Thread t = new Thread() {
@@ -182,86 +180,6 @@ public class TestCatalogTracker {
}
}
- /**
- * Test for HBASE-4288. Throw an IOE when trying to verify meta region and
- * prove it doesn't cause master shutdown.
- * @see <a href="https://issues.apache.org/jira/browse/HBASE-4288">HBASE-4288</a>
- * @throws IOException
- * @throws InterruptedException
- * @throws KeeperException
- */
- @Test
- public void testServerNotRunningIOException()
- throws IOException, InterruptedException, KeeperException, ServiceException {
- // Mock an Admin and a Client.
- final AdminProtocol admin = Mockito.mock(AdminProtocol.class);
- final ClientProtocol client = Mockito.mock(ClientProtocol.class);
- HConnection connection = mockConnection(admin, client);
- try {
- // If a 'getRegionInfo' is called on mocked AdminProtocol, throw IOE
- // the first time. 'Succeed' the second time we are called.
- GetRegionInfoResponse.Builder builder = GetRegionInfoResponse.newBuilder();
- builder.setRegionInfo(HRegionInfo.convert(new HRegionInfo(Bytes.toBytes("test"))));
- Mockito.when(admin.getRegionInfo((RpcController)Mockito.any(),
- (GetRegionInfoRequest)Mockito.any())).thenThrow(
- new ServiceException(new IOException("Server not running, aborting"))).
- thenReturn(builder.build());
-
- // After we encounter the above 'Server not running', we should catch the
- // IOE and go into retrying for the meta mode. We'll do gets on -ROOT- to
- // get new meta location. Return something so this 'get' succeeds
- // (here we mock up getRegionServerWithRetries, the wrapper around
- // the actual get).
-
- // TODO: Refactor. This method has been moved out of HConnection.
- // It works for now but has been deprecated.
- Mockito.when(connection.getRegionServerWithRetries((ServerCallable<Result>)Mockito.any())).
- thenReturn(getMetaTableRowResult());
-
- Mockito.when(client.get((RpcController)Mockito.any(), (GetRequest)Mockito.any())).
- thenReturn(GetResponse.newBuilder().build());
- // Now start up the catalogtracker with our doctored Connection.
- final CatalogTracker ct = constructAndStartCatalogTracker(connection);
- try {
- // Set a location for root and meta.
- RootRegionTracker.setRootLocation(this.watcher, SN);
- ct.setMetaLocation(SN);
- // Call the method that HBASE-4288 calls. It will try and verify the
- // meta location and will fail on first attempt then go into a long wait.
- // So, do this in a thread and then reset meta location to break it out
- // of its wait after a bit of time.
- final AtomicBoolean metaSet = new AtomicBoolean(false);
- final CountDownLatch latch = new CountDownLatch(1);
- Thread t = new Thread() {
- @Override
- public void run() {
- try {
- latch.countDown();
- metaSet.set(ct.waitForMeta(100000) != null);
- } catch (Exception e) {
- throw new RuntimeException(e);
- }
- }
- };
- t.start();
- latch.await();
- Threads.sleep(1);
- // Now reset the meta as though it were redeployed.
- ct.setMetaLocation(SN);
- t.join();
- Assert.assertTrue(metaSet.get());
- } finally {
- // Clean out root and meta locations or later tests will be confused...
- // they presume start fresh in zk.
- ct.resetMetaLocation();
- RootRegionTracker.deleteRootLocation(this.watcher);
- }
- } finally {
- // Clear out our doctored connection or could mess up subsequent tests.
- HConnectionManager.deleteConnection(UTIL.getConfiguration());
- }
- }
-
private void testVerifyMetaRegionLocationWithException(Exception ex)
throws IOException, InterruptedException, KeeperException, ServiceException {
// Mock an ClientProtocol.
@@ -274,14 +192,14 @@ public class TestCatalogTracker {
// Now start up the catalogtracker with our doctored Connection.
final CatalogTracker ct = constructAndStartCatalogTracker(connection);
try {
- RootRegionTracker.setRootLocation(this.watcher, SN);
+ MetaRegionTracker.setMetaLocation(this.watcher, SN);
long timeout = UTIL.getConfiguration().
getLong("hbase.catalog.verification.timeout", 1000);
Assert.assertFalse(ct.verifyMetaRegionLocation(timeout));
} finally {
- // Clean out root location or later tests will be confused... they
+ // Clean out meta location or later tests will be confused... they
// presume start fresh in zk.
- RootRegionTracker.deleteRootLocation(this.watcher);
+ MetaRegionTracker.deleteMetaLocation(this.watcher);
}
} finally {
// Clear out our doctored connection or could mess up subsequent tests.
@@ -323,14 +241,14 @@ public class TestCatalogTracker {
}
/**
- * Test get of root region fails properly if nothing to connect to.
+ * Test get of meta region fails properly if nothing to connect to.
* @throws IOException
* @throws InterruptedException
* @throws KeeperException
* @throws ServiceException
*/
@Test
- public void testVerifyRootRegionLocationFails()
+ public void testVerifyMetaRegionLocationFails()
throws IOException, InterruptedException, KeeperException, ServiceException {
HConnection connection = Mockito.mock(HConnection.class);
ServiceException connectException =
@@ -343,130 +261,54 @@ public class TestCatalogTracker {
thenReturn(implementation);
final CatalogTracker ct = constructAndStartCatalogTracker(connection);
try {
- RootRegionTracker.setRootLocation(this.watcher,
- new ServerName("example.com", 1234, System.currentTimeMillis()));
- Assert.assertFalse(ct.verifyRootRegionLocation(100));
+ MetaRegionTracker.setMetaLocation(this.watcher,
+ new ServerName("example.com", 1234, System.currentTimeMillis()));
+ Assert.assertFalse(ct.verifyMetaRegionLocation(100));
} finally {
- // Clean out root location or later tests will be confused... they presume
+ // Clean out meta location or later tests will be confused... they presume
// start fresh in zk.
- RootRegionTracker.deleteRootLocation(this.watcher);
+ MetaRegionTracker.deleteMetaLocation(this.watcher);
}
}
@Test (expected = NotAllMetaRegionsOnlineException.class)
- public void testTimeoutWaitForRoot()
+ public void testTimeoutWaitForMeta()
throws IOException, InterruptedException {
HConnection connection = Mockito.mock(HConnection.class);
final CatalogTracker ct = constructAndStartCatalogTracker(connection);
- ct.waitForRoot(100);
- }
-
- @Test (expected = RetriesExhaustedException.class)
- public void testTimeoutWaitForMeta()
- throws IOException, InterruptedException {
- HConnection connection =
- HConnectionTestingUtility.getMockedConnection(UTIL.getConfiguration());
- try {
- final CatalogTracker ct = constructAndStartCatalogTracker(connection);
- ct.waitForMeta(100);
- } finally {
- HConnectionManager.deleteConnection(UTIL.getConfiguration());
- }
+ ct.waitForMeta(100);
}
/**
- * Test waiting on root w/ no timeout specified.
+ * Test waiting on meat w/ no timeout specified.
* @throws IOException
* @throws InterruptedException
* @throws KeeperException
*/
- @Test public void testNoTimeoutWaitForRoot()
+ @Test public void testNoTimeoutWaitForMeta()
throws IOException, InterruptedException, KeeperException {
HConnection connection = Mockito.mock(HConnection.class);
final CatalogTracker ct = constructAndStartCatalogTracker(connection);
- ServerName hsa = ct.getRootLocation();
+ ServerName hsa = ct.getMetaLocation();
Assert.assertNull(hsa);
- // Now test waiting on root location getting set.
+ // Now test waiting on meta location getting set.
Thread t = new WaitOnMetaThread(ct);
startWaitAliveThenWaitItLives(t, 1);
- // Set a root location.
- hsa = setRootLocation();
+ // Set a meta location.
+ hsa = setMetaLocation();
// Join the thread... should exit shortly.
t.join();
- // Now root is available.
- Assert.assertTrue(ct.getRootLocation().equals(hsa));
+ // Now meta is available.
+ Assert.assertTrue(ct.getMetaLocation().equals(hsa));
}
- private ServerName setRootLocation() throws KeeperException {
- RootRegionTracker.setRootLocation(this.watcher, SN);
+ private ServerName setMetaLocation() throws KeeperException {
+ MetaRegionTracker.setMetaLocation(this.watcher, SN);
return SN;
}
/**
- * Test waiting on meta w/ no timeout specified.
- * @throws Exception
- */
- @Ignore // Can't make it work reliably on all platforms; mockito gets confused
- // Throwing: org.mockito.exceptions.misusing.WrongTypeOfReturnValue:
- // Result cannot be returned by locateRegion()
- // If you plug locateRegion, it then throws for incCounter, and if you plug
- // that ... and so one.
- @Test public void testNoTimeoutWaitForMeta()
- throws Exception {
- // Mock an HConnection and a AdminProtocol implementation. Have the
- // HConnection return the HRI. Have the HRI return a few mocked up responses
- // to make our test work.
- // Mock an AdminProtocol.
- final AdminProtocol implementation = Mockito.mock(AdminProtocol.class);
- HConnection connection = mockConnection(implementation, null);
- try {
- // Now the ct is up... set into the mocks some answers that make it look
- // like things have been getting assigned. Make it so we'll return a
- // location (no matter what the Get is). Same for getHRegionInfo -- always
- // just return the meta region.
- final Result result = getMetaTableRowResult();
-
- // TODO: Refactor. This method has been moved out of HConnection.
- // It works for now but has been deprecated.
- Mockito.when(connection.getRegionServerWithRetries((ServerCallable<Result>)Mockito.any())).
- thenReturn(result);
- GetRegionInfoResponse.Builder builder = GetRegionInfoResponse.newBuilder();
- builder.setRegionInfo(HRegionInfo.convert(HRegionInfo.FIRST_META_REGIONINFO));
- Mockito.when(implementation.getRegionInfo((RpcController)Mockito.any(),
- (GetRegionInfoRequest)Mockito.any())).thenReturn(builder.build());
- final CatalogTracker ct = constructAndStartCatalogTracker(connection);
- ServerName hsa = ct.getMetaLocation();
- Assert.assertNull(hsa);
-
- // Now test waiting on meta location getting set.
- Thread t = new WaitOnMetaThread(ct) {
- @Override
- void doWaiting() throws InterruptedException {
- this.ct.waitForMeta();
- }
- };
- startWaitAliveThenWaitItLives(t, 1000);
-
- // This should trigger wake up of meta wait (Its the removal of the meta
- // region unassigned node that triggers catalogtrackers that a meta has
- // been assigned).
- String node = ct.getMetaNodeTracker().getNode();
- ZKUtil.createAndFailSilent(this.watcher, node);
- MetaEditor.updateMetaLocation(ct, HRegionInfo.FIRST_META_REGIONINFO, SN, 0);
- ZKUtil.deleteNode(this.watcher, node);
- // Go get the new meta location. waitForMeta gets and verifies meta.
- Assert.assertTrue(ct.waitForMeta(10000).equals(SN));
- // Join the thread... should exit shortly.
- t.join();
- // Now meta is available.
- Assert.assertTrue(ct.waitForMeta(10000).equals(SN));
- } finally {
- HConnectionManager.deleteConnection(UTIL.getConfiguration());
- }
- }
-
- /**
* @param admin An {@link AdminProtocol} instance; you'll likely
* want to pass a mocked HRS; can be null.
* @param client A mocked ClientProtocol instance, can be null
@@ -537,7 +379,6 @@ public class TestCatalogTracker {
/**
* Wait on META.
- * Default is wait on -ROOT-.
*/
class WaitOnMetaThread extends Thread {
final CatalogTracker ct;
@@ -559,7 +400,7 @@ public class TestCatalogTracker {
void doWaiting() throws InterruptedException {
try {
- while (this.ct.waitForRoot(100) == null);
+ while (this.ct.waitForMeta(100) == null);
} catch (NotAllMetaRegionsOnlineException e) {
// Ignore.
}
Modified: hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/catalog/TestMetaMigrationConvertingToPB.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/catalog/TestMetaMigrationConvertingToPB.java?rev=1454613&r1=1454612&r2=1454613&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/catalog/TestMetaMigrationConvertingToPB.java (original)
+++ hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/catalog/TestMetaMigrationConvertingToPB.java Fri Mar 8 22:46:16 2013
@@ -56,6 +56,7 @@ import org.junit.Test;
import org.junit.experimental.categories.Category;
/**
+ * TODO reenable the tests once a migration path is figured without ROOT
* Test migration that changes HRI serialization into PB. Tests by bringing up a cluster from actual
* data from a 0.92 cluster, as well as manually downgrading and then upgrading the META info.
* @deprecated Remove after 0.96
@@ -168,7 +169,7 @@ public class TestMetaMigrationConverting
TEST_UTIL.shutdownMiniCluster();
}
- @Test
+ //@Test
public void testMetaUpdatedFlagInROOT() throws Exception {
HMaster master = TEST_UTIL.getMiniHBaseCluster().getMaster();
boolean metaUpdated = MetaMigrationConvertingToPB.
@@ -177,7 +178,7 @@ public class TestMetaMigrationConverting
verifyMetaRowsAreUpdated(master.getCatalogTracker());
}
- @Test
+ //@Test
public void testMetaMigration() throws Exception {
LOG.info("Starting testMetaMigration");
final byte [] FAMILY = Bytes.toBytes("family");
@@ -224,7 +225,7 @@ public class TestMetaMigrationConverting
* rows and migrate any pending rows at startup.
* @throws Exception
*/
- @Test
+ //@Test
public void testMasterCrashDuringMetaMigration() throws Exception {
final byte[] FAMILY = Bytes.toBytes("family");
HTableDescriptor htd = new HTableDescriptor("testMasterCrashDuringMetaMigration");
@@ -293,7 +294,7 @@ public class TestMetaMigrationConverting
p.add(HConstants.CATALOG_FAMILY, HConstants.META_VERSION_QUALIFIER,
Bytes.toBytes(META_VERSION_092));
- MetaEditor.putToRootTable(ct, p);
+ // TODO wire this MetaEditor.putToRootTable(ct, p);
LOG.info("Downgraded -ROOT- meta version=" + META_VERSION_092);
}