Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 3D4BB200C5A for ; Tue, 18 Apr 2017 14:49:45 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 3BE97160BA1; Tue, 18 Apr 2017 12:49:45 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 81294160B90 for ; Tue, 18 Apr 2017 14:49:44 +0200 (CEST) Received: (qmail 57556 invoked by uid 500); 18 Apr 2017 12:49:43 -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 57545 invoked by uid 99); 18 Apr 2017 12:49:43 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 18 Apr 2017 12:49:43 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id 5077F1A7B5E for ; Tue, 18 Apr 2017 12:49:43 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -99.202 X-Spam-Level: X-Spam-Status: No, score=-99.202 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id FYtNrg1AzocX for ; Tue, 18 Apr 2017 12:49:42 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id 58F205FCAE for ; Tue, 18 Apr 2017 12:49:42 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id D8BFDE04FE for ; Tue, 18 Apr 2017 12:49:41 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 94BDD21B46 for ; Tue, 18 Apr 2017 12:49:41 +0000 (UTC) Date: Tue, 18 Apr 2017 12:49:41 +0000 (UTC) From: "Abhishek Singh Chouhan (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HBASE-17937) Memstore size becomes negative in case of expensive postPut/Delete Coprocessor call MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Tue, 18 Apr 2017 12:49:45 -0000 [ https://issues.apache.org/jira/browse/HBASE-17937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Abhishek Singh Chouhan updated HBASE-17937: ------------------------------------------- Attachment: HBASE-17937.master.001.patch > Memstore size becomes negative in case of expensive postPut/Delete Coprocessor call > ----------------------------------------------------------------------------------- > > Key: HBASE-17937 > URL: https://issues.apache.org/jira/browse/HBASE-17937 > Project: HBase > Issue Type: Bug > Affects Versions: 2.0.0, 1.3.1, 0.98.24 > Reporter: Abhishek Singh Chouhan > Assignee: Abhishek Singh Chouhan > Attachments: HBASE-17937.master.001.patch > > > We ran into a situation where the memstore size became negative due to expensive postPut/Delete Coprocessor calls in doMiniBatchMutate. We update the memstore size in the finally block of doMiniBatchMutate, however a queued flush can be triggered during the coprocessor calls(if they are taking time eg. index updates) since we have released the locks and advanced mvcc at this point. The flush will turn the memstore size negative since the value subtracted is the actual value flushed from stores. The negative value impacts the future flushes amongst others that depend on memstore size. -- This message was sent by Atlassian JIRA (v6.3.15#6346)