Return-Path: X-Original-To: apmail-hbase-user-archive@www.apache.org Delivered-To: apmail-hbase-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id DB697E259 for ; Tue, 22 Jan 2013 21:18:28 +0000 (UTC) Received: (qmail 79192 invoked by uid 500); 22 Jan 2013 21:18:26 -0000 Delivered-To: apmail-hbase-user-archive@hbase.apache.org Received: (qmail 79146 invoked by uid 500); 22 Jan 2013 21:18:26 -0000 Mailing-List: contact user-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hbase.apache.org Delivered-To: mailing list user@hbase.apache.org Received: (qmail 79138 invoked by uid 99); 22 Jan 2013 21:18:26 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 22 Jan 2013 21:18:26 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of buckleyr@oclc.org designates 132.174.29.209 as permitted sender) Received: from [132.174.29.209] (HELO mshieldserver1.oclc.org) (132.174.29.209) by apache.org (qpsmtpd/0.29) with SMTP; Tue, 22 Jan 2013 21:18:20 +0000 Received: From OAEXCH4SERVER.oa.oclc.org ([132.174.29.227]) by mshieldserver1.oclc.org (WebShield SMTP v4.5 MR3) id 1358889478742; Tue, 22 Jan 2013 16:17:58 -0500 X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01CDF8E5.EC52968F" Subject: Region server Memory Use is double the -Xmx setting Date: Tue, 22 Jan 2013 16:17:46 -0500 Message-ID: <52E301F960B30049ADEFBCCF1CCAEF5912C00E57@OAEXCH4SERVER.oa.oclc.org> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Region server Memory Use is double the -Xmx setting Thread-Index: Ac345exr4dPY5dINQNWsOQciLlfYXQ== From: "Buckley,Ron" To: X-Virus-Checked: Checked by ClamAV on apache.org ------_=_NextPart_001_01CDF8E5.EC52968F Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable We have a 50 node cluster replicating to a 6 node cluster. Both clusters are running CDH4.1.2 and HBase 0.94.2. =20 Today we noticed that the region servers at our replica site are using 10GB more memory than the '-Xmx12288m' we have defined in hbase-env.sh =20 These region servers have been up since January 9, 2013. =20 Does anyone have suggestions about tracking down this additional memory use? =20 I'm not necessarily expecting the Region Server to stay right at the 12GB that we allocated, but having it running at 24GB is starting to cause the servers to swap. =20 =20 PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 28544 prodcon 18 0 24.1g 23g 18m S 20.0 74.0 9071:34 java =20 28544: /usr/java/jdk1.6.0_31/bin/java -XX:OnOutOfMemoryError=3Dkill -9 %p -Xmx12288m -Dcom.sun.management.jmxr emote.ssl=3Dfalse -Dcom.sun.management.jmxremote.authenticate=3Dfalse -Dcom.sun.management.jmxremote.port=3D9021 -ea -server -XX:+HeapDumpOnOutOfMemoryError -Xmn256m -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOc cupancyFraction=3D70 -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -Xloggc:/drive1/hadoop/2.0/isoft/../ hbase/logs/gc-hbase.log -ea -server -XX:+HeapDumpOnOutOfMemoryError -Xmn256m -XX =20 =20 ---------------------------------------------------------------------- Ron Buckley x6365 http://intranet-wiki.oclc.org/wiki/XWC/XServe/SRU =20 http://intranet-wiki.oclc.org/wiki/FIND =20 http://intranet-wiki.oclc.org/wiki/Higgins http://intranet-wiki.oclc.org/wiki/Firefly =20 ------_=_NextPart_001_01CDF8E5.EC52968F--