Return-Path: X-Original-To: apmail-hbase-dev-archive@www.apache.org Delivered-To: apmail-hbase-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id D53F7106E1 for ; Wed, 25 Feb 2015 03:33:05 +0000 (UTC) Received: (qmail 79221 invoked by uid 500); 25 Feb 2015 03:33:05 -0000 Delivered-To: apmail-hbase-dev-archive@hbase.apache.org Received: (qmail 78942 invoked by uid 500); 25 Feb 2015 03:33:04 -0000 Mailing-List: contact dev-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hbase.apache.org Delivered-To: mailing list dev@hbase.apache.org Received: (qmail 78930 invoked by uid 99); 25 Feb 2015 03:33:04 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 25 Feb 2015 03:33:04 +0000 Date: Wed, 25 Feb 2015 03:33:04 +0000 (UTC) From: "zhangduo (JIRA)" To: dev@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HBASE-13097) Netty PooledByteBufAllocator cause OOM in some unit test MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 zhangduo created HBASE-13097: -------------------------------- Summary: Netty PooledByteBufAllocator cause OOM in some unit test Key: HBASE-13097 URL: https://issues.apache.org/jira/browse/HBASE-13097 Project: HBase Issue Type: Bug Components: IPC/RPC, test Affects Versions: 2.0.0, 1.1.0 Reporter: zhangduo In some unit tests(such as TestAcidGuarantees) we create multiple Connection instance. If we use AsyncRpcClient, then there will be multiple netty Bootstrap and every Bootstrap has its own PooledByteBufAllocator. Its default max cached buffer size is 32M, so it is easy to OOM if we create many Connection instance. See https://builds.apache.org/job/HBase-TRUNK/6168/artifact/hbase-server/target/surefire-reports/org.apache.hadoop.hbase.TestAcidGuarantees-output.txt {noformat} 2015-02-24 23:50:29,704 WARN [JvmPauseMonitor] util.JvmPauseMonitor$Monitor(167): Detected pause in JVM or host machine (eg GC): pause of approximately 20133ms GC pool 'PS MarkSweep' had collection(s): count=15 time=55525ms {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)