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Posted to commits@accumulo.apache.org by ec...@apache.org on 2014/01/10 16:15:38 UTC
[3/7] git commit: ACCUMULO-2160 back-port real bugs found by findbugs
ACCUMULO-2160 back-port real bugs found by findbugs
Project: http://git-wip-us.apache.org/repos/asf/accumulo/repo
Commit: http://git-wip-us.apache.org/repos/asf/accumulo/commit/cb50a743
Tree: http://git-wip-us.apache.org/repos/asf/accumulo/tree/cb50a743
Diff: http://git-wip-us.apache.org/repos/asf/accumulo/diff/cb50a743
Branch: refs/heads/master
Commit: cb50a743dee006bcbe1bf196ff224af5557722f6
Parents: 1413ebc 5dd6f84
Author: Eric Newton <er...@gmail.com>
Authored: Thu Jan 9 15:48:23 2014 -0500
Committer: Eric Newton <er...@gmail.com>
Committed: Thu Jan 9 15:48:23 2014 -0500
----------------------------------------------------------------------
.../apache/accumulo/core/client/mapreduce/RangeInputSplit.java | 3 ++-
server/src/main/java/org/apache/accumulo/server/Accumulo.java | 2 +-
.../org/apache/accumulo/server/tabletserver/TabletServer.java | 2 +-
3 files changed, 4 insertions(+), 3 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/accumulo/blob/cb50a743/core/src/main/java/org/apache/accumulo/core/client/mapreduce/RangeInputSplit.java
----------------------------------------------------------------------
diff --cc core/src/main/java/org/apache/accumulo/core/client/mapreduce/RangeInputSplit.java
index 0718505,0000000..561e7ac
mode 100644,000000..100644
--- a/core/src/main/java/org/apache/accumulo/core/client/mapreduce/RangeInputSplit.java
+++ b/core/src/main/java/org/apache/accumulo/core/client/mapreduce/RangeInputSplit.java
@@@ -1,432 -1,0 +1,433 @@@
+/*
+ * 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
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ */
+package org.apache.accumulo.core.client.mapreduce;
+
+import java.io.DataInput;
+import java.io.DataOutput;
+import java.io.IOException;
+import java.math.BigInteger;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
++import java.util.Arrays;
+import java.util.List;
+import java.util.Set;
+
+import org.apache.accumulo.core.client.AccumuloSecurityException;
+import org.apache.accumulo.core.client.Instance;
+import org.apache.accumulo.core.client.IteratorSetting;
+import org.apache.accumulo.core.client.ZooKeeperInstance;
+import org.apache.accumulo.core.client.mapreduce.lib.util.InputConfigurator;
+import org.apache.accumulo.core.client.mock.MockInstance;
+import org.apache.accumulo.core.client.security.tokens.AuthenticationToken;
+import org.apache.accumulo.core.data.ByteSequence;
+import org.apache.accumulo.core.data.Key;
+import org.apache.accumulo.core.data.PartialKey;
+import org.apache.accumulo.core.data.Range;
+import org.apache.accumulo.core.security.Authorizations;
+import org.apache.accumulo.core.security.CredentialHelper;
+import org.apache.accumulo.core.util.Pair;
+import org.apache.commons.codec.binary.Base64;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.io.Writable;
+import org.apache.hadoop.mapreduce.InputSplit;
+import org.apache.log4j.Level;
+
+/**
+ * The Class RangeInputSplit. Encapsulates an Accumulo range for use in Map Reduce jobs.
+ */
+public class RangeInputSplit extends InputSplit implements Writable {
+ private Range range;
+ private String[] locations;
+ private String table, instanceName, zooKeepers, principal;
+ private AuthenticationToken token;
+ private Boolean offline, mockInstance, isolatedScan, localIterators;
+ private Authorizations auths;
+ private Set<Pair<Text,Text>> fetchedColumns;
+ private List<IteratorSetting> iterators;
+ private Level level;
+
+ public RangeInputSplit() {
+ range = new Range();
+ locations = new String[0];
+ }
+
+ public RangeInputSplit(Range range, String[] locations) {
+ this.range = range;
+ this.locations = locations;
+ }
+
+ public Range getRange() {
+ return range;
+ }
+
+ private static byte[] extractBytes(ByteSequence seq, int numBytes) {
+ byte[] bytes = new byte[numBytes + 1];
+ bytes[0] = 0;
+ for (int i = 0; i < numBytes; i++) {
+ if (i >= seq.length())
+ bytes[i + 1] = 0;
+ else
+ bytes[i + 1] = seq.byteAt(i);
+ }
+ return bytes;
+ }
+
+ public static float getProgress(ByteSequence start, ByteSequence end, ByteSequence position) {
+ int maxDepth = Math.min(Math.max(end.length(), start.length()), position.length());
+ BigInteger startBI = new BigInteger(extractBytes(start, maxDepth));
+ BigInteger endBI = new BigInteger(extractBytes(end, maxDepth));
+ BigInteger positionBI = new BigInteger(extractBytes(position, maxDepth));
+ return (float) (positionBI.subtract(startBI).doubleValue() / endBI.subtract(startBI).doubleValue());
+ }
+
+ public float getProgress(Key currentKey) {
+ if (currentKey == null)
+ return 0f;
+ if (range.getStartKey() != null && range.getEndKey() != null) {
+ if (range.getStartKey().compareTo(range.getEndKey(), PartialKey.ROW) != 0) {
+ // just look at the row progress
+ return getProgress(range.getStartKey().getRowData(), range.getEndKey().getRowData(), currentKey.getRowData());
+ } else if (range.getStartKey().compareTo(range.getEndKey(), PartialKey.ROW_COLFAM) != 0) {
+ // just look at the column family progress
+ return getProgress(range.getStartKey().getColumnFamilyData(), range.getEndKey().getColumnFamilyData(), currentKey.getColumnFamilyData());
+ } else if (range.getStartKey().compareTo(range.getEndKey(), PartialKey.ROW_COLFAM_COLQUAL) != 0) {
+ // just look at the column qualifier progress
+ return getProgress(range.getStartKey().getColumnQualifierData(), range.getEndKey().getColumnQualifierData(), currentKey.getColumnQualifierData());
+ }
+ }
+ // if we can't figure it out, then claim no progress
+ return 0f;
+ }
+
+ /**
+ * This implementation of length is only an estimate, it does not provide exact values. Do not have your code rely on this return value.
+ */
+ @Override
+ public long getLength() throws IOException {
+ Text startRow = range.isInfiniteStartKey() ? new Text(new byte[] {Byte.MIN_VALUE}) : range.getStartKey().getRow();
+ Text stopRow = range.isInfiniteStopKey() ? new Text(new byte[] {Byte.MAX_VALUE}) : range.getEndKey().getRow();
+ int maxCommon = Math.min(7, Math.min(startRow.getLength(), stopRow.getLength()));
+ long diff = 0;
+
+ byte[] start = startRow.getBytes();
+ byte[] stop = stopRow.getBytes();
+ for (int i = 0; i < maxCommon; ++i) {
+ diff |= 0xff & (start[i] ^ stop[i]);
+ diff <<= Byte.SIZE;
+ }
+
+ if (startRow.getLength() != stopRow.getLength())
+ diff |= 0xff;
+
+ return diff + 1;
+ }
+
+ @Override
+ public String[] getLocations() throws IOException {
+ return locations;
+ }
+
+ @Override
+ public void readFields(DataInput in) throws IOException {
+ range.readFields(in);
+ int numLocs = in.readInt();
+ locations = new String[numLocs];
+ for (int i = 0; i < numLocs; ++i)
+ locations[i] = in.readUTF();
+
+ if (in.readBoolean()) {
+ isolatedScan = in.readBoolean();
+ }
+
+ if (in.readBoolean()) {
+ offline = in.readBoolean();
+ }
+
+ if (in.readBoolean()) {
+ localIterators = in.readBoolean();
+ }
+
+ if (in.readBoolean()) {
+ mockInstance = in.readBoolean();
+ }
+
+ if (in.readBoolean()) {
+ int numColumns = in.readInt();
+ List<String> columns = new ArrayList<String>(numColumns);
+ for (int i = 0; i < numColumns; i++) {
+ columns.add(in.readUTF());
+ }
+
+ fetchedColumns = InputConfigurator.deserializeFetchedColumns(columns);
+ }
+
+ if (in.readBoolean()) {
+ String strAuths = in.readUTF();
+ auths = new Authorizations(strAuths.getBytes(Charset.forName("UTF-8")));
+ }
+
+ if (in.readBoolean()) {
+ principal = in.readUTF();
+ }
+
+ if (in.readBoolean()) {
+ String tokenClass = in.readUTF();
+ byte[] base64TokenBytes = in.readUTF().getBytes(Charset.forName("UTF-8"));
+ byte[] tokenBytes = Base64.decodeBase64(base64TokenBytes);
+
+ try {
+ token = CredentialHelper.extractToken(tokenClass, tokenBytes);
+ } catch (AccumuloSecurityException e) {
+ throw new IOException(e);
+ }
+ }
+
+ if (in.readBoolean()) {
+ instanceName = in.readUTF();
+ }
+
+ if (in.readBoolean()) {
+ zooKeepers = in.readUTF();
+ }
+
+ if (in.readBoolean()) {
+ level = Level.toLevel(in.readInt());
+ }
+ }
+
+ @Override
+ public void write(DataOutput out) throws IOException {
+ range.write(out);
+ out.writeInt(locations.length);
+ for (int i = 0; i < locations.length; ++i)
+ out.writeUTF(locations[i]);
+
+ out.writeBoolean(null != isolatedScan);
+ if (null != isolatedScan) {
+ out.writeBoolean(isolatedScan);
+ }
+
+ out.writeBoolean(null != offline);
+ if (null != offline) {
+ out.writeBoolean(offline);
+ }
+
+ out.writeBoolean(null != localIterators);
+ if (null != localIterators) {
+ out.writeBoolean(localIterators);
+ }
+
+ out.writeBoolean(null != mockInstance);
+ if (null != mockInstance) {
+ out.writeBoolean(mockInstance);
+ }
+
+ out.writeBoolean(null != fetchedColumns);
+ if (null != fetchedColumns) {
+ String[] cols = InputConfigurator.serializeColumns(fetchedColumns);
+ out.writeInt(cols.length);
+ for (String col : cols) {
+ out.writeUTF(col);
+ }
+ }
+
+ out.writeBoolean(null != auths);
+ if (null != auths) {
+ out.writeUTF(auths.serialize());
+ }
+
+ out.writeBoolean(null != principal);
+ if (null != principal) {
+ out.writeUTF(principal);
+ }
+
+ out.writeBoolean(null != token);
+ if (null != token) {
+ out.writeUTF(token.getClass().getCanonicalName());
+ try {
+ out.writeUTF(CredentialHelper.tokenAsBase64(token));
+ } catch (AccumuloSecurityException e) {
+ throw new IOException(e);
+ }
+ }
+
+ out.writeBoolean(null != instanceName);
+ if (null != instanceName) {
+ out.writeUTF(instanceName);
+ }
+
+ out.writeBoolean(null != zooKeepers);
+ if (null != zooKeepers) {
+ out.writeUTF(zooKeepers);
+ }
+
+ out.writeBoolean(null != level);
+ if (null != level) {
+ out.writeInt(level.toInt());
+ }
+ }
+
+ @Override
+ public String toString() {
+ StringBuilder sb = new StringBuilder(256);
+ sb.append("Range: ").append(range);
- sb.append(" Locations: ").append(locations);
++ sb.append(" Locations: ").append(Arrays.asList(locations));
+ sb.append(" Table: ").append(table);
+ sb.append(" InstanceName: ").append(instanceName);
+ sb.append(" zooKeepers: ").append(zooKeepers);
+ sb.append(" principal: ").append(principal);
+ sb.append(" authenticationToken: ").append(token);
+ sb.append(" Authorizations: ").append(auths);
+ sb.append(" offlineScan: ").append(offline);
+ sb.append(" mockInstance: ").append(mockInstance);
+ sb.append(" isolatedScan: ").append(isolatedScan);
+ sb.append(" localIterators: ").append(localIterators);
+ sb.append(" fetchColumns: ").append(fetchedColumns);
+ sb.append(" iterators: ").append(iterators);
+ sb.append(" logLevel: ").append(level);
+ return sb.toString();
+ }
+
+ public String getTable() {
+ return table;
+ }
+
+ public void setTable(String table) {
+ this.table = table;
+ }
+
+ public Instance getInstance() {
+ if (null == instanceName) {
+ return null;
+ }
+
+ if (isMockInstance()) {
+ return new MockInstance(getInstanceName());
+ }
+
+ if (null == zooKeepers) {
+ return null;
+ }
+
+ return new ZooKeeperInstance(getInstanceName(), getZooKeepers());
+ }
+
+ public String getInstanceName() {
+ return instanceName;
+ }
+
+ public void setInstanceName(String instanceName) {
+ this.instanceName = instanceName;
+ }
+
+ public String getZooKeepers() {
+ return zooKeepers;
+ }
+
+ public void setZooKeepers(String zooKeepers) {
+ this.zooKeepers = zooKeepers;
+ }
+
+ public String getPrincipal() {
+ return principal;
+ }
+
+ public void setPrincipal(String principal) {
+ this.principal = principal;
+ }
+
+ public AuthenticationToken getToken() {
+ return token;
+ }
+
+ public void setToken(AuthenticationToken token) {
+ this.token = token;
+ ;
+ }
+
+ public Boolean isOffline() {
+ return offline;
+ }
+
+ public void setOffline(Boolean offline) {
+ this.offline = offline;
+ }
+
+ public void setLocations(String[] locations) {
+ this.locations = locations;
+ }
+
+ public Boolean isMockInstance() {
+ return mockInstance;
+ }
+
+ public void setMockInstance(Boolean mockInstance) {
+ this.mockInstance = mockInstance;
+ }
+
+ public Boolean isIsolatedScan() {
+ return isolatedScan;
+ }
+
+ public void setIsolatedScan(Boolean isolatedScan) {
+ this.isolatedScan = isolatedScan;
+ }
+
+ public Authorizations getAuths() {
+ return auths;
+ }
+
+ public void setAuths(Authorizations auths) {
+ this.auths = auths;
+ }
+
+ public void setRange(Range range) {
+ this.range = range;
+ }
+
+ public Boolean usesLocalIterators() {
+ return localIterators;
+ }
+
+ public void setUsesLocalIterators(Boolean localIterators) {
+ this.localIterators = localIterators;
+ }
+
+ public Set<Pair<Text,Text>> getFetchedColumns() {
+ return fetchedColumns;
+ }
+
+ public void setFetchedColumns(Set<Pair<Text,Text>> fetchedColumns) {
+ this.fetchedColumns = fetchedColumns;
+ }
+
+ public List<IteratorSetting> getIterators() {
+ return iterators;
+ }
+
+ public void setIterators(List<IteratorSetting> iterators) {
+ this.iterators = iterators;
+ }
+
+ public Level getLogLevel() {
+ return level;
+ }
+
+ public void setLogLevel(Level level) {
+ this.level = level;
+ }
+}
http://git-wip-us.apache.org/repos/asf/accumulo/blob/cb50a743/server/src/main/java/org/apache/accumulo/server/Accumulo.java
----------------------------------------------------------------------
diff --cc server/src/main/java/org/apache/accumulo/server/Accumulo.java
index 33bb871,0000000..f56dfd8
mode 100644,000000..100644
--- a/server/src/main/java/org/apache/accumulo/server/Accumulo.java
+++ b/server/src/main/java/org/apache/accumulo/server/Accumulo.java
@@@ -1,309 -1,0 +1,309 @@@
+/*
+ * 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
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ */
+package org.apache.accumulo.server;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.reflect.Method;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.util.Map.Entry;
+import java.util.TreeMap;
+
+import org.apache.accumulo.core.Constants;
+import org.apache.accumulo.core.conf.Property;
+import org.apache.accumulo.core.trace.DistributedTrace;
+import org.apache.accumulo.core.util.UtilWaitThread;
+import org.apache.accumulo.core.util.Version;
+import org.apache.accumulo.core.zookeeper.ZooUtil;
+import org.apache.accumulo.server.client.HdfsZooInstance;
+import org.apache.accumulo.server.conf.ServerConfiguration;
+import org.apache.accumulo.server.util.time.SimpleTimer;
+import org.apache.accumulo.server.zookeeper.ZooReaderWriter;
+import org.apache.hadoop.fs.FileStatus;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hdfs.DistributedFileSystem;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+import org.apache.log4j.helpers.FileWatchdog;
+import org.apache.log4j.helpers.LogLog;
+import org.apache.log4j.xml.DOMConfigurator;
+import org.apache.zookeeper.KeeperException;
+import org.apache.zookeeper.WatchedEvent;
+import org.apache.zookeeper.Watcher;
+
+public class Accumulo {
+
+ private static final Logger log = Logger.getLogger(Accumulo.class);
+
+ public static synchronized void updateAccumuloVersion(FileSystem fs) {
+ try {
+ if (getAccumuloPersistentVersion(fs) == Constants.PREV_DATA_VERSION) {
+ fs.create(new Path(ServerConstants.getDataVersionLocation() + "/" + Constants.DATA_VERSION));
+ fs.delete(new Path(ServerConstants.getDataVersionLocation() + "/" + Constants.PREV_DATA_VERSION), false);
+ }
+ } catch (IOException e) {
+ throw new RuntimeException("Unable to set accumulo version: an error occurred.", e);
+ }
+ }
+
+ public static synchronized int getAccumuloPersistentVersion(FileSystem fs) {
+ int dataVersion;
+ try {
+ FileStatus[] files = fs.listStatus(ServerConstants.getDataVersionLocation());
+ if (files == null || files.length == 0) {
+ dataVersion = -1; // assume it is 0.5 or earlier
+ } else {
+ dataVersion = Integer.parseInt(files[0].getPath().getName());
+ }
+ return dataVersion;
+ } catch (IOException e) {
+ throw new RuntimeException("Unable to read accumulo version: an error occurred.", e);
+ }
+ }
+
+ public static void enableTracing(String address, String application) {
+ try {
+ DistributedTrace.enable(HdfsZooInstance.getInstance(), ZooReaderWriter.getInstance(), application, address);
+ } catch (Exception ex) {
+ log.error("creating remote sink for trace spans", ex);
+ }
+ }
+
+ private static class LogMonitor extends FileWatchdog implements Watcher {
+ String path;
+
+ protected LogMonitor(String instance, String filename, int delay) {
+ super(filename);
+ setDelay(delay);
+ this.path = ZooUtil.getRoot(instance) + Constants.ZMONITOR_LOG4J_PORT;
+ }
+
+ private void setMonitorPort() {
+ try {
+ String port = new String(ZooReaderWriter.getInstance().getData(path, null));
+ System.setProperty("org.apache.accumulo.core.host.log.port", port);
+ log.info("Changing monitor log4j port to "+port);
+ doOnChange();
+ } catch (Exception e) {
+ log.error("Error reading zookeeper data for monitor log4j port", e);
+ }
+ }
+
+ @Override
+ public void run() {
+ try {
+ if (ZooReaderWriter.getInstance().getZooKeeper().exists(path, this) != null)
+ setMonitorPort();
+ log.info("Set watch for monitor log4j port");
+ } catch (Exception e) {
+ log.error("Unable to set watch for monitor log4j port " + path);
+ }
+ super.run();
+ }
+
+ @Override
+ protected void doOnChange() {
+ LogManager.resetConfiguration();
+ new DOMConfigurator().doConfigure(filename, LogManager.getLoggerRepository());
+ }
+
+ @Override
+ public void process(WatchedEvent event) {
+ setMonitorPort();
+ if (event.getPath() != null) {
+ try {
+ ZooReaderWriter.getInstance().exists(event.getPath(), this);
+ } catch (Exception ex) {
+ log.error("Unable to reset watch for monitor log4j port", ex);
+ }
+ }
+ }
+ }
+
+ public static void init(FileSystem fs, ServerConfiguration config, String application) throws UnknownHostException {
+
+ System.setProperty("org.apache.accumulo.core.application", application);
+
+ if (System.getenv("ACCUMULO_LOG_DIR") != null)
+ System.setProperty("org.apache.accumulo.core.dir.log", System.getenv("ACCUMULO_LOG_DIR"));
+ else
+ System.setProperty("org.apache.accumulo.core.dir.log", System.getenv("ACCUMULO_HOME") + "/logs/");
+
+ String localhost = InetAddress.getLocalHost().getHostName();
+ System.setProperty("org.apache.accumulo.core.ip.localhost.hostname", localhost);
+
+ if (System.getenv("ACCUMULO_LOG_HOST") != null)
+ System.setProperty("org.apache.accumulo.core.host.log", System.getenv("ACCUMULO_LOG_HOST"));
+ else
+ System.setProperty("org.apache.accumulo.core.host.log", localhost);
+
+ int logPort = config.getConfiguration().getPort(Property.MONITOR_LOG4J_PORT);
+ System.setProperty("org.apache.accumulo.core.host.log.port", Integer.toString(logPort));
+
+ // Use a specific log config, if it exists
- String logConfig = String.format("%s/%s_logger.xml", System.getenv("ACCUMULO_CONF_DIR"), application);
++ String logConfig = String.format("%s/%s_logger.xml", System.getenv("ACCUMULO_CONF_DIR"));
+ if (!new File(logConfig).exists()) {
+ // otherwise, use the generic config
+ logConfig = String.format("%s/generic_logger.xml", System.getenv("ACCUMULO_CONF_DIR"));
+ }
+ // Turn off messages about not being able to reach the remote logger... we protect against that.
+ LogLog.setQuietMode(true);
+
+ // Configure logging
+ if (logPort==0)
+ new LogMonitor(config.getInstance().getInstanceID(), logConfig, 5000).start();
+ else
+ DOMConfigurator.configureAndWatch(logConfig, 5000);
+
+ log.info(application + " starting");
+ log.info("Instance " + config.getInstance().getInstanceID());
+ int dataVersion = Accumulo.getAccumuloPersistentVersion(fs);
+ log.info("Data Version " + dataVersion);
+ Accumulo.waitForZookeeperAndHdfs(fs);
+
+ Version codeVersion = new Version(Constants.VERSION);
+ if (dataVersion != Constants.DATA_VERSION && dataVersion != Constants.PREV_DATA_VERSION) {
+ throw new RuntimeException("This version of accumulo (" + codeVersion + ") is not compatible with files stored using data version " + dataVersion);
+ }
+
+ TreeMap<String,String> sortedProps = new TreeMap<String,String>();
+ for (Entry<String,String> entry : config.getConfiguration())
+ sortedProps.put(entry.getKey(), entry.getValue());
+
+ for (Entry<String,String> entry : sortedProps.entrySet()) {
+ if (entry.getKey().toLowerCase().contains("password") || entry.getKey().toLowerCase().contains("secret")
+ || entry.getKey().startsWith(Property.TRACE_TOKEN_PROPERTY_PREFIX.getKey()))
+ log.info(entry.getKey() + " = <hidden>");
+ else
+ log.info(entry.getKey() + " = " + entry.getValue());
+ }
+
+ monitorSwappiness();
+ }
+
+ /**
+ *
+ */
+ public static void monitorSwappiness() {
+ SimpleTimer.getInstance().schedule(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ String procFile = "/proc/sys/vm/swappiness";
+ File swappiness = new File(procFile);
+ if (swappiness.exists() && swappiness.canRead()) {
+ InputStream is = new FileInputStream(procFile);
+ try {
+ byte[] buffer = new byte[10];
+ int bytes = is.read(buffer);
+ String setting = new String(buffer, 0, bytes);
+ setting = setting.trim();
+ if (bytes > 0 && Integer.parseInt(setting) > 10) {
+ log.warn("System swappiness setting is greater than ten (" + setting + ") which can cause time-sensitive operations to be delayed. "
+ + " Accumulo is time sensitive because it needs to maintain distributed lock agreement.");
+ }
+ } finally {
+ is.close();
+ }
+ }
+ } catch (Throwable t) {
+ log.error(t, t);
+ }
+ }
+ }, 1000, 10 * 60 * 1000);
+ }
+
+ public static String getLocalAddress(String[] args) throws UnknownHostException {
+ InetAddress result = InetAddress.getLocalHost();
+ for (int i = 0; i < args.length - 1; i++) {
+ if (args[i].equals("-a") || args[i].equals("--address")) {
+ result = InetAddress.getByName(args[i + 1]);
+ log.debug("Local address is: " + args[i + 1] + " (" + result.toString() + ")");
+ break;
+ }
+ }
+ return result.getHostName();
+ }
+
+ public static void waitForZookeeperAndHdfs(FileSystem fs) {
+ log.info("Attempting to talk to zookeeper");
+ while (true) {
+ try {
+ ZooReaderWriter.getInstance().getChildren(Constants.ZROOT);
+ break;
+ } catch (InterruptedException e) {
+ // ignored
+ } catch (KeeperException ex) {
+ log.info("Waiting for accumulo to be initialized");
+ UtilWaitThread.sleep(1000);
+ }
+ }
+ log.info("Zookeeper connected and initialized, attemping to talk to HDFS");
+ long sleep = 1000;
+ while (true) {
+ try {
+ if (!isInSafeMode(fs))
+ break;
+ log.warn("Waiting for the NameNode to leave safemode");
+ } catch (IOException ex) {
+ log.warn("Unable to connect to HDFS");
+ }
+ log.info("Sleeping " + sleep / 1000. + " seconds");
+ UtilWaitThread.sleep(sleep);
+ sleep = Math.min(60 * 1000, sleep * 2);
+ }
+ log.info("Connected to HDFS");
+ }
+
+ private static boolean isInSafeMode(FileSystem fs) throws IOException {
+ if (!(fs instanceof DistributedFileSystem))
+ return false;
+ DistributedFileSystem dfs = (DistributedFileSystem)fs;
+ // So this: if (!dfs.setSafeMode(SafeModeAction.SAFEMODE_GET))
+ // Becomes this:
+ Class<?> safeModeAction;
+ try {
+ // hadoop 2.0
+ safeModeAction = Class.forName("org.apache.hadoop.hdfs.protocol.HdfsConstants$SafeModeAction");
+ } catch (ClassNotFoundException ex) {
+ // hadoop 1.0
+ try {
+ safeModeAction = Class.forName("org.apache.hadoop.hdfs.protocol.FSConstants$SafeModeAction");
+ } catch (ClassNotFoundException e) {
+ throw new RuntimeException("Cannot figure out the right class for Constants");
+ }
+ }
+ Object get = null;
+ for (Object obj : safeModeAction.getEnumConstants()) {
+ if (obj.toString().equals("SAFEMODE_GET"))
+ get = obj;
+ }
+ if (get == null) {
+ throw new RuntimeException("cannot find SAFEMODE_GET");
+ }
+ try {
+ Method setSafeMode = dfs.getClass().getMethod("setSafeMode", safeModeAction);
+ return (Boolean) setSafeMode.invoke(dfs, get);
+ } catch (Exception ex) {
+ throw new RuntimeException("cannot find method setSafeMode");
+ }
+ }
+}