Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 1FCBE200C1A for ; Mon, 13 Feb 2017 20:25:52 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id 1E07D160B60; Mon, 13 Feb 2017 19:25:52 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 6F019160B4A for ; Mon, 13 Feb 2017 20:25:51 +0100 (CET) Received: (qmail 95905 invoked by uid 500); 13 Feb 2017 19:25:50 -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 95894 invoked by uid 99); 13 Feb 2017 19:25:50 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 13 Feb 2017 19:25:50 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id 2F02E1A0280 for ; Mon, 13 Feb 2017 19:25:50 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -1.199 X-Spam-Level: X-Spam-Status: No, score=-1.199 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, KAM_LAZY_DOMAIN_SECURITY=1, RP_MATCHES_RCVD=-2.999] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id qC0urTdOlEIP for ; Mon, 13 Feb 2017 19:25:48 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTP id 3D6AF5F30F for ; Mon, 13 Feb 2017 19:25:48 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 6460CE06BA for ; Mon, 13 Feb 2017 19:25:43 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 8914F21D7F for ; Mon, 13 Feb 2017 19:25:42 +0000 (UTC) Date: Mon, 13 Feb 2017 19:25:42 +0000 (UTC) From: "Enis Soztutar (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Resolved] (HBASE-13942) HBase client stalls during region split when client threads > hbase.hconnection.threads.max MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Mon, 13 Feb 2017 19:25:52 -0000 [ https://issues.apache.org/jira/browse/HBASE-13942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Enis Soztutar resolved HBASE-13942. ----------------------------------- Resolution: Not A Problem Fix Version/s: (was: 1.1.0) > HBase client stalls during region split when client threads > hbase.hconnection.threads.max > ------------------------------------------------------------------------------------------- > > Key: HBASE-13942 > URL: https://issues.apache.org/jira/browse/HBASE-13942 > Project: HBase > Issue Type: Bug > Components: Client, regionserver > Affects Versions: 1.0.0 > Reporter: Mukund Murrali > > Performing any operataion using a single hconnection with client threads > hbase.hconnection.threads.max causing the client to stall indefinetly during first region split. All the hconnection threads in client side are waiting with the following stack. > hconnection-0x648a83fd-shared--pool1-t8" daemon prio=10 tid=0x00007f447c003800 nid=0x62ff waiting on condition [0x00007f44c72f0000] > java.lang.Thread.State: WAITING (parking) > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <0x00000007d768bdf0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186) > at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043) > at java.util.concurrent.ArrayBlockingQueue.take(ArrayBlockingQueue.java:374) > at org.apache.hadoop.hbase.util.BoundedCompletionService.take(BoundedCompletionService.java:74) > at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:174) > at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:56) > at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithoutRetries(RpcRetryingCaller.java:200) > at org.apache.hadoop.hbase.client.ClientSmallReversedScanner.next(ClientSmallReversedScanner.java:145) > at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegionInMeta(ConnectionManager.java:1200) > at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:1109) > at org.apache.hadoop.hbase.client.AsyncProcess$AsyncRequestFutureImpl.findAllLocationsOrFail(AsyncProcess.java:916) > at org.apache.hadoop.hbase.client.AsyncProcess$AsyncRequestFutureImpl.groupAndSendMultiAction(AsyncProcess.java:833) > at org.apache.hadoop.hbase.client.AsyncProcess$AsyncRequestFutureImpl.resubmit(AsyncProcess.java:1156) > at org.apache.hadoop.hbase.client.AsyncProcess$AsyncRequestFutureImpl.receiveMultiAction(AsyncProcess.java:1296) > at org.apache.hadoop.hbase.client.AsyncProcess$AsyncRequestFutureImpl.access$1200(AsyncProcess.java:574) > at org.apache.hadoop.hbase.client.AsyncProcess$AsyncRequestFutureImpl$SingleServerRequestRunnable.run(AsyncProcess.java:716) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) > at java.util.concurrent.FutureTask.run(FutureTask.java:262) > 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) > -- This message was sent by Atlassian JIRA (v6.3.15#6346)