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 00C4B200BAC for ; Wed, 12 Oct 2016 06:53:24 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id F359D160AF3; Wed, 12 Oct 2016 04:53:23 +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 6A565160AE6 for ; Wed, 12 Oct 2016 06:53:23 +0200 (CEST) Received: (qmail 93649 invoked by uid 500); 12 Oct 2016 04:53:21 -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 93573 invoked by uid 99); 12 Oct 2016 04:53:21 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 12 Oct 2016 04:53:21 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id B72E02C4C79 for ; Wed, 12 Oct 2016 04:53:20 +0000 (UTC) Date: Wed, 12 Oct 2016 04:53:20 +0000 (UTC) From: "Anoop Sam John (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HBASE-15513) hbase.hregion.memstore.chunkpool.maxsize is 0.0 by default MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Wed, 12 Oct 2016 04:53:24 -0000 [ https://issues.apache.org/jira/browse/HBASE-15513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15567582#comment-15567582 ] Anoop Sam John commented on HBASE-15513: ---------------------------------------- Do we need 100% of the max global heap space size as def pool size? I feel it can be lesser. > hbase.hregion.memstore.chunkpool.maxsize is 0.0 by default > ---------------------------------------------------------- > > Key: HBASE-15513 > URL: https://issues.apache.org/jira/browse/HBASE-15513 > Project: HBase > Issue Type: Sub-task > Affects Versions: 2.0.0 > Reporter: Vladimir Rodionov > Assignee: Vladimir Rodionov > Fix For: 2.0.0 > > Attachments: HBASE-15513-v1.patch > > > That results in excessive MemStoreLAB chunk allocations because we can not reuse them. Not sure, why it has been disabled, by default. May be the code has not been tested well? -- This message was sent by Atlassian JIRA (v6.3.4#6332)