Return-Path: X-Original-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id D20ED17DA6 for ; Fri, 7 Nov 2014 00:53:34 +0000 (UTC) Received: (qmail 58461 invoked by uid 500); 7 Nov 2014 00:53:34 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 58407 invoked by uid 500); 7 Nov 2014 00:53:34 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-issues@hadoop.apache.org Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 58395 invoked by uid 99); 7 Nov 2014 00:53:34 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 07 Nov 2014 00:53:34 +0000 Date: Fri, 7 Nov 2014 00:53:34 +0000 (UTC) From: "stack (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-7358) Clients may get stuck waiting when using ByteArrayManager 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/HDFS-7358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14201317#comment-14201317 ] stack commented on HDFS-7358: ----------------------------- bq. Hi stack, do you want to open source your test program? Its a small tool in HBase code base used testing the writing of HBase WAL files. I ran it like this: {code}for i in 10 20 100; do for j in 1 2 3; do perf stat ${HOME}/hbase/bin/hbase --config $HOME/conf_hbase org.apache.hadoop.hbase.regionserver.wal.HLogPerformanceEvaluation -threads $i -iterations 100000 -key Size 50 -valueSize 100 &> "/tmp/$1.${i}.${j}.txt"; done; done{code} It was writing small HDFS cluster. > Clients may get stuck waiting when using ByteArrayManager > --------------------------------------------------------- > > Key: HDFS-7358 > URL: https://issues.apache.org/jira/browse/HDFS-7358 > Project: Hadoop HDFS > Issue Type: Bug > Components: hdfs-client > Reporter: Tsz Wo Nicholas Sze > Assignee: Tsz Wo Nicholas Sze > Attachments: h7358_20141104.patch, h7358_20141104_wait_timeout.patch, h7358_20141105.patch > > > [~stack] reported that clients might get stuck waiting when using ByteArrayManager; see [his comments|https://issues.apache.org/jira/browse/HDFS-7276?focusedCommentId=14197036&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14197036]. -- This message was sent by Atlassian JIRA (v6.3.4#6332)