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 04E11200BDA for ; Tue, 29 Nov 2016 02:59:02 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id 0375E160B26; Tue, 29 Nov 2016 01:59:02 +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 7A191160B22 for ; Tue, 29 Nov 2016 02:59:01 +0100 (CET) Received: (qmail 12767 invoked by uid 500); 29 Nov 2016 01:59:00 -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 12702 invoked by uid 99); 29 Nov 2016 01:58:59 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 29 Nov 2016 01:58:59 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id AC50C2C03DF for ; Tue, 29 Nov 2016 01:58:59 +0000 (UTC) Date: Tue, 29 Nov 2016 01:58:59 +0000 (UTC) From: "Ashu Pachauri (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HBASE-16755) Honor flush policy under global memstore pressure MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Tue, 29 Nov 2016 01:59:02 -0000 [ https://issues.apache.org/jira/browse/HBASE-16755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ashu Pachauri updated HBASE-16755: ---------------------------------- Status: Patch Available (was: Open) > Honor flush policy under global memstore pressure > ------------------------------------------------- > > Key: HBASE-16755 > URL: https://issues.apache.org/jira/browse/HBASE-16755 > Project: HBase > Issue Type: Improvement > Components: regionserver > Reporter: Ashu Pachauri > Assignee: Ashu Pachauri > Attachments: HBASE-16755.v0.patch > > > When global memstore reaches the low water mark, we pick the best flushable region and flush all column families for it. This is a suboptimal approach in the sense that it leads to an unnecessarily high file creation rate and IO amplification due to compactions. We should still try to honor the underlying FlushPolicy. -- This message was sent by Atlassian JIRA (v6.3.4#6332)