HBASE-2551 Forward port fixes that are in branch but not in trunk (part of the merge of old 0.20 into TRUNK task) -- part 1
git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@944510 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack
parent
6448146e63
commit
8e95593f42
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@ -311,6 +311,13 @@ Release 0.21.0 - Unreleased
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HBASE-2544 Forward port branch 0.20 WAL to TRUNK
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HBASE-2546 Specify default filesystem in both the new and old way (needed
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if we are to run on 0.20 and 0.21 hadoop)
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HBASE-1895 HConstants.MAX_ROW_LENGTH is incorrectly 64k, should be 32k
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HBASE-1968 Give clients access to the write buffer
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HBASE-2028 Add HTable.incrementColumnValue support to shell
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(Lars George via Andrew Purtell)
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HBASE-2138 unknown metrics type
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HBASE-2551 Forward port fixes that are in branch but not in trunk (part of
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the merge of old 0.20 into TRUNK task) -- part 1.
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IMPROVEMENTS
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HBASE-1760 Cleanup TODOs in HTable
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@ -19,60 +19,57 @@
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*/
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package org.apache.hadoop.hbase.regionserver;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.FSDataOutputStream;
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import org.apache.hadoop.fs.FileStatus;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hbase.DroppedSnapshotException;
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import org.apache.hadoop.hbase.HBaseConfiguration;
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import org.apache.hadoop.hbase.HColumnDescriptor;
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import org.apache.hadoop.hbase.HConstants;
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import org.apache.hadoop.hbase.HRegionInfo;
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import org.apache.hadoop.hbase.HTableDescriptor;
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import org.apache.hadoop.hbase.KeyValue;
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import org.apache.hadoop.hbase.NotServingRegionException;
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import org.apache.hadoop.hbase.UnknownScannerException;
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import org.apache.hadoop.hbase.client.Delete;
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import org.apache.hadoop.hbase.client.Get;
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import org.apache.hadoop.hbase.client.Put;
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import org.apache.hadoop.hbase.client.Result;
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import org.apache.hadoop.hbase.client.Scan;
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import org.apache.hadoop.hbase.filter.Filter;
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import org.apache.hadoop.hbase.io.HeapSize;
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import org.apache.hadoop.hbase.io.Reference.Range;
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import org.apache.hadoop.hbase.io.hfile.BlockCache;
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import org.apache.hadoop.hbase.ipc.HRegionInterface;
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import org.apache.hadoop.hbase.regionserver.wal.HLog;
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import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
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import org.apache.hadoop.hbase.util.Bytes;
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import org.apache.hadoop.hbase.util.ClassSize;
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import org.apache.hadoop.hbase.util.FSUtils;
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import org.apache.hadoop.hbase.util.Writables;
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import org.apache.hadoop.util.Progressable;
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import org.apache.hadoop.util.StringUtils;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.HashMap;
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import java.util.Set;
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import java.util.NavigableSet;
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import java.util.TreeMap;
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import java.util.TreeSet;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Random;
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import java.util.concurrent.ConcurrentSkipListMap;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.concurrent.atomic.AtomicLong;
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import java.io.UnsupportedEncodingException;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.NavigableSet;
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import java.util.Random;
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import java.util.Set;
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import java.util.TreeMap;
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import java.util.TreeSet;
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import java.util.concurrent.ConcurrentSkipListMap;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.concurrent.atomic.AtomicLong;
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import java.util.concurrent.locks.ReentrantReadWriteLock;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.FSDataOutputStream;
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import org.apache.hadoop.fs.FileStatus;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hbase.DroppedSnapshotException;
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import org.apache.hadoop.hbase.HBaseConfiguration;
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import org.apache.hadoop.hbase.HColumnDescriptor;
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import org.apache.hadoop.hbase.HConstants;
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import org.apache.hadoop.hbase.HRegionInfo;
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import org.apache.hadoop.hbase.HTableDescriptor;
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import org.apache.hadoop.hbase.KeyValue;
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import org.apache.hadoop.hbase.NotServingRegionException;
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import org.apache.hadoop.hbase.UnknownScannerException;
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import org.apache.hadoop.hbase.client.Delete;
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import org.apache.hadoop.hbase.client.Get;
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import org.apache.hadoop.hbase.client.Put;
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import org.apache.hadoop.hbase.client.Result;
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import org.apache.hadoop.hbase.client.Scan;
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import org.apache.hadoop.hbase.filter.Filter;
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import org.apache.hadoop.hbase.io.HeapSize;
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import org.apache.hadoop.hbase.io.Reference.Range;
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import org.apache.hadoop.hbase.io.hfile.BlockCache;
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import org.apache.hadoop.hbase.ipc.HRegionInterface;
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import org.apache.hadoop.hbase.regionserver.wal.HLog;
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import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
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import org.apache.hadoop.hbase.util.Bytes;
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import org.apache.hadoop.hbase.util.ClassSize;
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import org.apache.hadoop.hbase.util.FSUtils;
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import org.apache.hadoop.hbase.util.Writables;
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import org.apache.hadoop.util.Progressable;
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import org.apache.hadoop.util.StringUtils;
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/**
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* HRegion stores data for a certain region of a table. It stores all columns
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* for each row. A given table consists of one or more HRegions.
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@ -110,7 +107,7 @@ import java.util.concurrent.locks.ReentrantReadWriteLock;
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* defines the keyspace for this HRegion.
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*/
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public class HRegion implements HConstants, HeapSize { // , Writable{
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static final Log LOG = LogFactory.getLog(HRegion.class);
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public static final Log LOG = LogFactory.getLog(HRegion.class);
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static final String SPLITDIR = "splits";
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static final String MERGEDIR = "merges";
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final AtomicBoolean closed = new AtomicBoolean(false);
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@ -115,7 +115,7 @@ import java.util.concurrent.locks.ReentrantReadWriteLock;
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*/
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public class HRegionServer implements HConstants, HRegionInterface,
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HBaseRPCErrorHandler, Runnable, Watcher {
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static final Log LOG = LogFactory.getLog(HRegionServer.class);
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public static final Log LOG = LogFactory.getLog(HRegionServer.class);
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private static final HMsg REPORT_EXITING = new HMsg(Type.MSG_REPORT_EXITING);
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private static final HMsg REPORT_QUIESCED = new HMsg(Type.MSG_REPORT_QUIESCED);
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private static final HMsg [] EMPTY_HMSG_ARRAY = new HMsg [] {};
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@ -348,6 +348,11 @@ public class HLog implements HConstants, Syncable {
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return logSeqNum.get();
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}
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// usage: see TestLogRolling.java
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OutputStream getOutputStream() {
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return this.hdfs_out;
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}
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/**
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* Roll the log writer. That is, start writing log messages to a new file.
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*
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@ -19,11 +19,14 @@
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*/
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package org.apache.hadoop.hbase.regionserver.wal;
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import java.io.OutputStream;
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import java.lang.reflect.Method;
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import java.util.ArrayList;
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import java.util.List;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.commons.logging.impl.Log4JLogger;
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import org.apache.hadoop.hbase.HBaseClusterTestCase;
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import org.apache.hadoop.hbase.HColumnDescriptor;
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import org.apache.hadoop.hbase.HConstants;
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@ -35,6 +38,13 @@ import org.apache.hadoop.hbase.client.HBaseAdmin;
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import org.apache.hadoop.hbase.client.HTable;
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import org.apache.hadoop.hbase.client.Put;
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import org.apache.hadoop.hbase.util.Bytes;
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import org.apache.hadoop.hdfs.DFSClient;
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import org.apache.hadoop.hdfs.MiniDFSCluster.DataNodeProperties;
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import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
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import org.apache.hadoop.hdfs.server.datanode.DataNode;
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import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
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import org.apache.hadoop.hdfs.server.namenode.LeaseManager;
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import org.apache.log4j.Level;
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/**
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* Test log deletion as logs are rolled.
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@ -46,6 +56,17 @@ public class TestLogRolling extends HBaseClusterTestCase {
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private String tableName;
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private byte[] value;
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// verbose logging on classes that are touched in these tests
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{
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((Log4JLogger)DataNode.LOG).getLogger().setLevel(Level.ALL);
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((Log4JLogger)LeaseManager.LOG).getLogger().setLevel(Level.ALL);
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((Log4JLogger)FSNamesystem.LOG).getLogger().setLevel(Level.ALL);
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((Log4JLogger)DFSClient.LOG).getLogger().setLevel(Level.ALL);
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((Log4JLogger)HRegionServer.LOG).getLogger().setLevel(Level.ALL);
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((Log4JLogger)HRegion.LOG).getLogger().setLevel(Level.ALL);
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((Log4JLogger)HLog.LOG).getLogger().setLevel(Level.ALL);
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}
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/**
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* constructor
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* @throws Exception
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}
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// Need to override this setup so we can edit the config before it gets sent
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// to the cluster startup.
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// to the HDFS & HBase cluster startup.
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@Override
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protected void preHBaseClusterSetup() {
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protected void setUp() throws Exception {
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/**** configuration for testLogRolling ****/
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// Force a region split after every 768KB
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conf.setLong("hbase.hregion.max.filesize", 768L * 1024L);
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// Reduce thread wake frequency so that other threads can get
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// a chance to run.
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conf.setInt(HConstants.THREAD_WAKE_FREQUENCY, 2 * 1000);
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/**** configuration for testLogRollOnDatanodeDeath ****/
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// make sure log.hflush() calls syncFs() to open a pipeline
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conf.setBoolean("dfs.support.append", true);
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// lower the namenode & datanode heartbeat so the namenode
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// quickly detects datanode failures
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conf.setInt("heartbeat.recheck.interval", 5000);
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conf.setInt("dfs.heartbeat.interval", 1);
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// the namenode might still try to choose the recently-dead datanode
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// for a pipeline, so try to a new pipeline multiple times
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conf.setInt("dfs.client.block.write.retries", 30);
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super.setUp();
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}
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private void startAndWriteData() throws Exception {
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throw e;
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}
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}
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void writeData(HTable table, int rownum) throws Exception {
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Put put = new Put(Bytes.toBytes("row" + String.format("%1$04d", rownum)));
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put.add(HConstants.CATALOG_FAMILY, null, value);
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table.put(put);
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// sleep to let the log roller run (if it needs to)
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try {
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Thread.sleep(2000);
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} catch (InterruptedException e) {
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// continue
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}
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}
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/**
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* Tests that logs are rolled upon detecting datanode death
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* Requires an HDFS jar with HDFS-826 & syncFs() support (HDFS-200)
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*
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* @throws Exception
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*/
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public void testLogRollOnDatanodeDeath() throws Exception {
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assertTrue("This test requires HLog file replication.",
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fs.getDefaultReplication() > 1);
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// When the META table can be opened, the region servers are running
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new HTable(conf, HConstants.META_TABLE_NAME);
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this.server = cluster.getRegionServer(0);
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this.log = server.getLog();
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assertTrue("Need HDFS-826 for this test", log.canGetCurReplicas());
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// don't run this test without append support (HDFS-200 & HDFS-142)
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assertTrue("Need append support for this test", HLog.isAppend(conf));
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// add up the datanode count, to ensure proper replication when we kill 1
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dfsCluster.startDataNodes(conf, 1, true, null, null);
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dfsCluster.waitActive();
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assertTrue(dfsCluster.getDataNodes().size() >=
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fs.getDefaultReplication() + 1);
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// Create the test table and open it
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String tableName = getName();
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HTableDescriptor desc = new HTableDescriptor(tableName);
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desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
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HBaseAdmin admin = new HBaseAdmin(conf);
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admin.createTable(desc);
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HTable table = new HTable(conf, tableName);
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table.setAutoFlush(true);
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long curTime = System.currentTimeMillis();
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long oldFilenum = log.getFilenum();
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assertTrue("Log should have a timestamp older than now",
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curTime > oldFilenum && oldFilenum != -1);
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// normal write
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writeData(table, 1);
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assertTrue("The log shouldn't have rolled yet",
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oldFilenum == log.getFilenum());
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// kill a datanode in the pipeline to force a log roll on the next sync()
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OutputStream stm = log.getOutputStream();
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Method getPipeline = null;
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for (Method m : stm.getClass().getDeclaredMethods()) {
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if(m.getName().endsWith("getPipeline")) {
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getPipeline = m;
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getPipeline.setAccessible(true);
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break;
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}
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}
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assertTrue("Need DFSOutputStream.getPipeline() for this test",
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getPipeline != null);
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Object repl = getPipeline.invoke(stm, new Object []{} /*NO_ARGS*/);
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DatanodeInfo[] pipeline = (DatanodeInfo[]) repl;
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assertTrue(pipeline.length == fs.getDefaultReplication());
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DataNodeProperties dnprop = dfsCluster.stopDataNode(pipeline[0].getName());
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assertTrue(dnprop != null);
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// this write should succeed, but trigger a log roll
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writeData(table, 2);
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long newFilenum = log.getFilenum();
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assertTrue("Missing datanode should've triggered a log roll",
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newFilenum > oldFilenum && newFilenum > curTime);
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// write some more log data (this should use a new hdfs_out)
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writeData(table, 3);
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assertTrue("The log should not roll again.",
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log.getFilenum() == newFilenum);
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assertTrue("New log file should have the default replication",
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log.getLogReplication() == fs.getDefaultReplication());
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}
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}
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Reference in New Issue