Return-Path: X-Original-To: apmail-hbase-issues-archive@www.apache.org Delivered-To: apmail-hbase-issues-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 53ED417897 for ; Fri, 1 May 2015 06:23:07 +0000 (UTC) Received: (qmail 58273 invoked by uid 500); 1 May 2015 06:23:07 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 58229 invoked by uid 500); 1 May 2015 06:23:07 -0000 Mailing-List: contact issues-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list issues@hbase.apache.org Received: (qmail 58217 invoked by uid 99); 1 May 2015 06:23:07 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 01 May 2015 06:23:07 +0000 Date: Fri, 1 May 2015 06:23:06 +0000 (UTC) From: "Hudson (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HBASE-13601) Connection leak during log splitting MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HBASE-13601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14522821#comment-14522821 ] Hudson commented on HBASE-13601: -------------------------------- SUCCESS: Integrated in HBase-0.98 #971 (See [https://builds.apache.org/job/HBase-0.98/971/]) HBASE-13601 Connection leak during log splitting. (Abhishek Singh Chouhan) (larsh: rev dc7db384e1d8c0dedc3f83d7be3211b178b6c128) * hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/HLogFactory.java * hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/HLogSplitter.java > Connection leak during log splitting > ------------------------------------ > > Key: HBASE-13601 > URL: https://issues.apache.org/jira/browse/HBASE-13601 > Project: HBase > Issue Type: Bug > Affects Versions: 1.0.0, 0.98.10 > Reporter: Abhishek Singh Chouhan > Assignee: Abhishek Singh Chouhan > Fix For: 0.98.13, 1.0.2 > > Attachments: HBASE-13601-0.98.patch, HBASE-13601-1.0.0.patch > > > Ran into an issue where Region server died with the following exception > {noformat} > 2015-04-29 17:10:11,856 WARN [nector@0.0.0.0:60030] mortbay.log - EXCEPTION > java.io.IOException: Too many open files > at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) > at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:241) > at org.mortbay.jetty.nio.SelectChannelConnector$1.acceptChannel(SelectChannelConnector.java:75) > at org.mortbay.io.nio.SelectorManager$SelectSet.doSelect(SelectorManager.java:686) > at org.mortbay.io.nio.SelectorManager.doSelect(SelectorManager.java:192) > at org.mortbay.jetty.nio.SelectChannelConnector.accept(SelectChannelConnector.java:124) > at org.mortbay.jetty.AbstractConnector$Acceptor.run(AbstractConnector.java:708) > at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) > {noformat} > Realized that all the tcp sockets on the system were used out due to the regionserver trying to split the log and failing multiple times and leaving a connection open - > {noformat} > java.io.IOException: Got error for OP_READ_BLOCK, self=/10..99.3:50695, remote=/10.232.99.36:50010, for file /hbase/WALs/host1,60020,1425930917890-splitting/host1%2C60020%2C1425930917890.1429358890944, for pool BP-181199659-10.232.99.2-1411124363096 block 1074497051_756497 > at org.apache.hadoop.hdfs.RemoteBlockReader2.checkSuccess(RemoteBlockReader2.java:432) > at org.apache.hadoop.hdfs.RemoteBlockReader2.newBlockReader(RemoteBlockReader2.java:397) > at org.apache.hadoop.hdfs.BlockReaderFactory.getRemoteBlockReader(BlockReaderFactory.java:786) > at org.apache.hadoop.hdfs.BlockReaderFactory.getRemoteBlockReaderFromTcp(BlockReaderFactory.java:665) > at org.apache.hadoop.hdfs.BlockReaderFactory.build(BlockReaderFactory.java:325) > at org.apache.hadoop.hdfs.DFSInputStream.blockSeekTo(DFSInputStream.java:567) > at org.apache.hadoop.hdfs.DFSInputStream.seekToNewSource(DFSInputStream.java:1446) > at org.apache.hadoop.hdfs.DFSInputStream.readBuffer(DFSInputStream.java:769) > at org.apache.hadoop.hdfs.DFSInputStream.readWithStrategy(DFSInputStream.java:799) > at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:840) > at java.io.DataInputStream.read(DataInputStream.java:100) > at org.apache.hadoop.hbase.regionserver.wal.HLogFactory.createReader(HLogFactory.java:124) > at org.apache.hadoop.hbase.regionserver.wal.HLogFactory.createReader(HLogFactory.java:91) > at org.apache.hadoop.hbase.regionserver.wal.HLogSplitter.getReader(HLogSplitter.java:660) > at org.apache.hadoop.hbase.regionserver.wal.HLogSplitter.getReader(HLogSplitter.java:569) > at org.apache.hadoop.hbase.regionserver.wal.HLogSplitter.splitLogFile(HLogSplitter.java:282) > at org.apache.hadoop.hbase.regionserver.wal.HLogSplitter.splitLogFile(HLogSplitter.java:225) > at org.apache.hadoop.hbase.regionserver.SplitLogWorker$1.exec(SplitLogWorker.java:143) > at org.apache.hadoop.hbase.regionserver.handler.HLogSplitterHandler.process(HLogSplitterHandler.java:82) > at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:128) > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:745) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)