Return-Path: X-Original-To: apmail-hbase-issues-archive@www.apache.org Delivered-To: apmail-hbase-issues-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 53C3B99AA for ; Thu, 3 May 2012 21:53:15 +0000 (UTC) Received: (qmail 58680 invoked by uid 500); 3 May 2012 21:53:12 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 58609 invoked by uid 500); 3 May 2012 21:53:12 -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 58557 invoked by uid 99); 3 May 2012 21:53:12 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 03 May 2012 21:53:12 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=5.0 tests=ALL_TRUSTED,T_RP_MATCHES_RCVD X-Spam-Check-By: apache.org Received: from [140.211.11.116] (HELO hel.zones.apache.org) (140.211.11.116) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 03 May 2012 21:53:10 +0000 Received: from hel.zones.apache.org (hel.zones.apache.org [140.211.11.116]) by hel.zones.apache.org (Postfix) with ESMTP id 490BF42EEA6 for ; Thu, 3 May 2012 21:52:49 +0000 (UTC) Date: Thu, 3 May 2012 21:52:49 +0000 (UTC) From: "Lars Hofhansl (JIRA)" To: issues@hbase.apache.org Message-ID: <1616895171.24133.1336081969300.JavaMail.tomcat@hel.zones.apache.org> In-Reply-To: <1805663114.41856.1323111040148.JavaMail.tomcat@hel.zones.apache.org> Subject: [jira] [Commented] (HBASE-4956) Control direct memory buffer consumption by HBaseClient 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/HBASE-4956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13267849#comment-13267849 ] Lars Hofhansl commented on HBASE-4956: -------------------------------------- Yeah, we should quantify this. 8k seems like a very reasonable chunk size, though (probably anything between 1k and 64k would be OK :) ). @Bob: Any chance you can whip up a quick performance test for this? > Control direct memory buffer consumption by HBaseClient > ------------------------------------------------------- > > Key: HBASE-4956 > URL: https://issues.apache.org/jira/browse/HBASE-4956 > Project: HBase > Issue Type: New Feature > Reporter: Ted Yu > > As Jonathan explained here https://groups.google.com/group/asynchbase/browse_thread/thread/c45bc7ba788b2357?pli=1 , standard hbase client inadvertently consumes large amount of direct memory. > We should consider using netty for NIO-related tasks. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira