hadoop 点点滴滴(一)

1.  hbase 0.98.0, 0.95.2, 0.94.9 bug

2013-06-11 21:51:22,199 ERROR [IPC Server handler 18 on 60000] master.HMaster: Region server ip-10-138-2-28.ec2.internal,60020,1370887927492 reported a fatal error:
ABORTING region server ip-10-138-2-28.ec2.internal,60020,1370887927492: IOE in log roller
Cause:
java.io.FileNotFoundException: File/Directory /hbase/.oldlogs/ip-10-138-2-28.ec2.internal%2C60020%2C1370887927492.1370986265468 does not exist.
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setTimesInt(FSNamesystem.java:1488)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setTimes(FSNamesystem.java:1453)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.setTimes(NameNodeRpcServer.java:798)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.setTimes(ClientNamenodeProtocolServerSideTranslatorPB.java:704)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:43194)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:454)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:910)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1694)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1690)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1367)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1688)

	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
	at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:90)
	at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:57)
	at org.apache.hadoop.hdfs.DFSClient.setTimes(DFSClient.java:2097)
	at org.apache.hadoop.hdfs.DistributedFileSystem.setTimes(DistributedFileSystem.java:813)
	at org.apache.hadoop.hbase.util.FSUtils.renameAndSetModifyTime(FSUtils.java:1596)
	at org.apache.hadoop.hbase.regionserver.wal.FSHLog.archiveLogFile(FSHLog.java:705)
	at org.apache.hadoop.hbase.regionserver.wal.FSHLog.cleanOldLogs(FSHLog.java:595)
	at org.apache.hadoop.hbase.regionserver.wal.FSHLog.rollWriter(FSHLog.java:536)
	at org.apache.hadoop.hbase.regionserver.LogRoller.run(LogRoller.java:96)
	at java.lang.Thread.run(Thread.java:722)
Caused by: org.apache.hadoop.ipc.RemoteException(java.io.FileNotFoundException): File/Directory /hbase/.oldlogs/ip-10-138-2-28.ec2.internal%2C60020%2C1370887927492.1370986265468 does not exist.
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setTimesInt(FSNamesystem.java:1488)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setTimes(FSNamesystem.java:1453)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.setTimes(NameNodeRpcServer.java:798)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.setTimes(ClientNamenodeProtocolServerSideTranslatorPB.java:704)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:43194)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:454)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:910)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1694)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1690)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1367)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1688)

	at org.apache.hadoop.ipc.Client.call(Client.java:1164)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:202)
	at com.sun.proxy.$Proxy11.setTimes(Unknown Source)
	at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:164)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:83)
	at com.sun.proxy.$Proxy11.setTimes(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.setTimes(ClientNamenodeProtocolTranslatorPB.java:685)
	at sun.reflect.GeneratedMethodAccessor26.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.apache.hadoop.hbase.fs.HFileSystem$1.invoke(HFileSystem.java:266)
	at com.sun.proxy.$Proxy12.setTimes(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.setTimes(DFSClient.java:2095)
	... 7 more

2013-06-11 21:51:32,976 INFO  [main-EventThread] zookeeper.RegionServerTracker: RegionServer ephemeral node deleted, processing expiration [ip-10-138-2-28.ec2.internal,60020,1370887927492]

参考链接:https://issues.apache.org/jira/browse/HBASE-8749

Index: src/main/java/org/apache/hadoop/hbase/HBaseFileSystem.java
===================================================================
--- src/main/java/org/apache/hadoop/hbase/HBaseFileSystem.java	(revision 1493637)
+++ src/main/java/org/apache/hadoop/hbase/HBaseFileSystem.java	(working copy)
@@ -259,9 +259,9 @@
    */
   public static boolean renameAndSetModifyTime(final FileSystem fs, Path src, Path dest)
       throws IOException {
+    // set the modify time for TimeToLive Cleaner
+    fs.setTimes(src, EnvironmentEdgeManager.currentTimeMillis(), -1);
     if (!renameDirForFileSystem(fs, src, dest)) return false;
-    // set the modify time for TimeToLive Cleaner
-    fs.setTimes(dest, EnvironmentEdgeManager.currentTimeMillis(), -1);
     return true;
   }
 }

diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java
index 01d6cfe..d0e5443 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java
@@ -1645,11 +1645,11 @@ public abstract class FSUtils {
     }
   }

-  public static boolean renameAndSetModifyTime(final FileSystem fs, Path src, Path dest)
+  public static boolean renameAndSetModifyTime(final FileSystem fs, final Path src, final Path dest)
       throws IOException {
-    if (!fs.rename(src, dest)) return false;
     // set the modify time for TimeToLive Cleaner
-    fs.setTimes(dest, EnvironmentEdgeManager.currentTimeMillis(), -1);
+    fs.setTimes(src, EnvironmentEdgeManager.currentTimeMillis(), -1);
+    if (!fs.rename(src, dest)) return false;
     return true;
   }
 }