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 8FC40FBC9 for ; Sat, 11 May 2013 00:19:18 +0000 (UTC) Received: (qmail 37301 invoked by uid 500); 11 May 2013 00:19:16 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 37219 invoked by uid 500); 11 May 2013 00:19:16 -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 37124 invoked by uid 99); 11 May 2013 00:19:16 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 11 May 2013 00:19:16 +0000 Date: Sat, 11 May 2013 00:19:16 +0000 (UTC) From: "Tsz Wo (Nicholas), SZE (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HDFS-4814) Configurable DataXceiver thread stack size 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-4814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Tsz Wo (Nicholas), SZE updated HDFS-4814: ----------------------------------------- Status: Patch Available (was: Open) > Configurable DataXceiver thread stack size > ------------------------------------------ > > Key: HDFS-4814 > URL: https://issues.apache.org/jira/browse/HDFS-4814 > Project: Hadoop HDFS > Issue Type: New Feature > Components: datanode > Reporter: Tsz Wo (Nicholas), SZE > Assignee: Tsz Wo (Nicholas), SZE > Attachments: h4814_20130510.patch > > > By default, Java creates a thread with 512kB stack size. In Datanode, we may have 4096 or more DataXceiver threads. These threads do not require such large stack size and unnecessarily occupy a large amount of memory. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira