Return-Path: X-Original-To: apmail-accumulo-notifications-archive@minotaur.apache.org Delivered-To: apmail-accumulo-notifications-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 634C510E92 for ; Wed, 20 Nov 2013 04:50:12 +0000 (UTC) Received: (qmail 30333 invoked by uid 500); 20 Nov 2013 04:48:38 -0000 Delivered-To: apmail-accumulo-notifications-archive@accumulo.apache.org Received: (qmail 30138 invoked by uid 500); 20 Nov 2013 04:48:17 -0000 Mailing-List: contact notifications-help@accumulo.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: jira@apache.org Delivered-To: mailing list notifications@accumulo.apache.org Received: (qmail 29265 invoked by uid 99); 20 Nov 2013 04:47:24 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 20 Nov 2013 04:47:24 +0000 Date: Wed, 20 Nov 2013 04:47:24 +0000 (UTC) From: "ASF subversion and git services (JIRA)" To: notifications@accumulo.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (ACCUMULO-1062) large numbers of threads make in-memory updates slow 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/ACCUMULO-1062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13827331#comment-13827331 ] ASF subversion and git services commented on ACCUMULO-1062: ----------------------------------------------------------- Commit ae0be1f60db5b3b2493f5816f4481c1b092ae6bf in branch refs/heads/1.4.5-SNAPSHOT from Eric C. Newton [ https://git-wip-us.apache.org/repos/asf?p=accumulo.git;h=ae0be1f ] ACCUMULO-1062 disabling testParallelWriteSpeed git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1461552 13f79535-47bb-0310-9956-ffa450edef68 > large numbers of threads make in-memory updates slow > ---------------------------------------------------- > > Key: ACCUMULO-1062 > URL: https://issues.apache.org/jira/browse/ACCUMULO-1062 > Project: Accumulo > Issue Type: Bug > Components: tserver > Affects Versions: 1.4.2 > Environment: testing on large clusters > Reporter: Eric Newton > Assignee: Eric Newton > Priority: Critical > Fix For: 1.4.3, 1.5.0 > > Attachments: SlamTest.java > > > Using hundreds of ingest programs, each running several batch writers, ingest would eventually become slow. Testing (attached) proved that performance fell off as the number of threads increased. -- This message was sent by Atlassian JIRA (v6.1#6144)