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 5638318C2F for ; Sat, 5 Dec 2015 06:25:12 +0000 (UTC) Received: (qmail 4321 invoked by uid 500); 5 Dec 2015 06:25:11 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 4218 invoked by uid 500); 5 Dec 2015 06:25:11 -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 3930 invoked by uid 99); 5 Dec 2015 06:25:11 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 05 Dec 2015 06:25:11 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 3A6E92C1F80 for ; Sat, 5 Dec 2015 06:25:11 +0000 (UTC) Date: Sat, 5 Dec 2015 06:25:11 +0000 (UTC) From: "Hudson (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HBASE-14922) Delayed flush doesn't work causing flush storms. 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-14922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15042699#comment-15042699 ] Hudson commented on HBASE-14922: -------------------------------- FAILURE: Integrated in HBase-Trunk_matrix #533 (See [https://builds.apache.org/job/HBase-Trunk_matrix/533/]) HBASE-14922 Delayed flush doesn't work causing flush storms. (eclark: rev cd5ddc5fece7147d55d74117abb272cf8ea08c4d) * hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java * hbase-common/src/test/java/org/apache/hadoop/hbase/TestChoreService.java * hbase-common/src/main/java/org/apache/hadoop/hbase/JitterScheduledThreadPoolExecutorImpl.java * hbase-common/src/main/java/org/apache/hadoop/hbase/ChoreService.java HBASE-14922 Delayed flush doesn't work causing flush storms. -- ADD (eclark: rev 46198bb9a4f9c78bbf3ccb84f6ae835564ecdc7f) * hbase-common/src/main/java/org/apache/hadoop/hbase/JitterScheduledThreadPoolExecutorImpl.java > Delayed flush doesn't work causing flush storms. > ------------------------------------------------ > > Key: HBASE-14922 > URL: https://issues.apache.org/jira/browse/HBASE-14922 > Project: HBase > Issue Type: Bug > Components: regionserver > Affects Versions: 2.0.0, 1.2.0, 1.1.2 > Reporter: Elliott Clark > Assignee: Elliott Clark > Fix For: 2.0.0, 1.2.0, 1.3.0 > > Attachments: HBASE-14922-v1.patch, HBASE-14922-v2.patch, HBASE-14922.patch > > > Starting all regionservers at the same time will mean that most PeriodicMemstoreFlusher's will be running at the same time. So all of these threads will queue flushes at about the same time. > This was supposed to be mitigated by Delayed. However that isn't nearly enough. This results in the immediate filling up and then draining of the flush queues every hour. -- This message was sent by Atlassian JIRA (v6.3.4#6332)