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 9A8D0200CC4 for ; Thu, 13 Jul 2017 20:29:04 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 9936416C9B0; Thu, 13 Jul 2017 18:29:04 +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 E5B2C16C9AF for ; Thu, 13 Jul 2017 20:29:03 +0200 (CEST) Received: (qmail 7109 invoked by uid 500); 13 Jul 2017 18:29:03 -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 7097 invoked by uid 99); 13 Jul 2017 18:29:03 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 13 Jul 2017 18:29:03 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id 97C56C04DD for ; Thu, 13 Jul 2017 18:29:02 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-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 (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id YxAeZ6POtD08 for ; Thu, 13 Jul 2017 18:29:01 +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 6EB865F30C for ; Thu, 13 Jul 2017 18:29:01 +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 D3516E0D45 for ; Thu, 13 Jul 2017 18:29:00 +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 1919D24739 for ; Thu, 13 Jul 2017 18:29:00 +0000 (UTC) Date: Thu, 13 Jul 2017 18:29:00 +0000 (UTC) From: "Anoop Sam John (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HBASE-18375) The pool chunks from ChunkCreator are deallocated while in pool because there is no reference to them MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Thu, 13 Jul 2017 18:29:04 -0000 [ https://issues.apache.org/jira/browse/HBASE-18375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16086163#comment-16086163 ] Anoop Sam John commented on HBASE-18375: ---------------------------------------- +1 to fix there as well. > The pool chunks from ChunkCreator are deallocated while in pool because there is no reference to them > ----------------------------------------------------------------------------------------------------- > > Key: HBASE-18375 > URL: https://issues.apache.org/jira/browse/HBASE-18375 > Project: HBase > Issue Type: Sub-task > Reporter: Anastasia Braginsky > Priority: Critical > Attachments: HBASE-18375-V01.patch > > > Because MSLAB list of chunks was changed to list of chunk IDs, the chunks returned back to pool can be deallocated by JVM because there is no reference to them. The solution is to protect pool chunks from GC by the strong map of ChunkCreator introduced by HBASE-18010. Will prepare the patch today. -- This message was sent by Atlassian JIRA (v6.4.14#64029)