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 9308F17CE7 for ; Wed, 22 Apr 2015 10:51:01 +0000 (UTC) Received: (qmail 82462 invoked by uid 500); 22 Apr 2015 10:51:00 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 82403 invoked by uid 500); 22 Apr 2015 10:51:00 -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 82313 invoked by uid 99); 22 Apr 2015 10:51:00 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 22 Apr 2015 10:51:00 +0000 Date: Wed, 22 Apr 2015 10:51:00 +0000 (UTC) From: "Matteo Bertozzi (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HBASE-13529) Procedure v2 - WAL Improvements 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-13529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Matteo Bertozzi updated HBASE-13529: ------------------------------------ Attachment: HBASE-13529-v0.patch > Procedure v2 - WAL Improvements > ------------------------------- > > Key: HBASE-13529 > URL: https://issues.apache.org/jira/browse/HBASE-13529 > Project: HBase > Issue Type: Sub-task > Components: proc-v2 > Affects Versions: 2.0.0, 1.1.0 > Reporter: Matteo Bertozzi > Assignee: Matteo Bertozzi > Priority: Minor > Fix For: 2.0.0, 1.1.0 > > Attachments: HBASE-13529-v0.patch > > > from the discussion in HBASE-12439 the wal was resulting slow. > * there is an error around the awake of the slotCond.await(), causing more wait then necessary > * ArrayBlockingQueue is dog slow, replace it with ConcurrentLinkedQueue > * roll the wal only if reaches a threshold (conf ops) to amortize the cost > * hsync() is used by default, when the normal wal is using just hflush() make it tunable via conf -- This message was sent by Atlassian JIRA (v6.3.4#6332)