Return-Path: Delivered-To: apmail-hbase-issues-archive@www.apache.org Received: (qmail 81247 invoked from network); 4 Mar 2011 10:57:03 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 4 Mar 2011 10:57:03 -0000 Received: (qmail 80015 invoked by uid 500); 4 Mar 2011 10:57:03 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 79976 invoked by uid 500); 4 Mar 2011 10:57:03 -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 79966 invoked by uid 99); 4 Mar 2011 10:57:03 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 04 Mar 2011 10:57:03 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=5.0 tests=ALL_TRUSTED,T_RP_MATCHES_RCVD X-Spam-Check-By: apache.org Received: from [140.211.11.116] (HELO hel.zones.apache.org) (140.211.11.116) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 04 Mar 2011 10:57:02 +0000 Received: from hel.zones.apache.org (hel.zones.apache.org [140.211.11.116]) by hel.zones.apache.org (Postfix) with ESMTP id 7AD1E4FF10 for ; Fri, 4 Mar 2011 10:56:42 +0000 (UTC) Date: Fri, 4 Mar 2011 10:56:42 +0000 (UTC) From: "Matteo Bertozzi (JIRA)" To: issues@hbase.apache.org Message-ID: <1570435042.13480.1299236202499.JavaMail.tomcat@hel.zones.apache.org> In-Reply-To: <1322774965.1922.1297153197596.JavaMail.tomcat@hel.zones.apache.org> Subject: [jira] Updated: (HBASE-3514) Speedup HFile.Writer append 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-3514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Matteo Bertozzi updated HBASE-3514: ----------------------------------- Attachment: (was: HBASE-3514-append-trunk-v2b.patch) > Speedup HFile.Writer append > --------------------------- > > Key: HBASE-3514 > URL: https://issues.apache.org/jira/browse/HBASE-3514 > Project: HBase > Issue Type: Improvement > Components: io > Affects Versions: 0.90.0 > Reporter: Matteo Bertozzi > Priority: Minor > Attachments: HBASE-3514-append-0.90-v2.patch, HBASE-3514-append-0.90-v2b.patch, HBASE-3514-append-0.90-v3.patch, HBASE-3514-append-0.90.patch, HBASE-3514-append-trunk-v2.patch, HBASE-3514-append-trunk-v2c.patch, HBASE-3514-append-trunk-v3.patch, HBASE-3514-append.patch, HBASE-3514-metaBlock-bsearch.patch > > > Remove double writes when block cache is specified, by using, only, the ByteArrayDataStream. > baos is flushed with the compress stream on finishBlock. > On my machines HFilePerformanceEvaluation SequentialWriteBenchmark passes from 4000ms to 2500ms. > Running SequentialWriteBenchmark for 1000000 rows took 4247ms. > Running SequentialWriteBenchmark for 1000000 rows took 4512ms. > Running SequentialWriteBenchmark for 1000000 rows took 4498ms. > Running SequentialWriteBenchmark for 1000000 rows took 2697ms. > Running SequentialWriteBenchmark for 1000000 rows took 2770ms. > Running SequentialWriteBenchmark for 1000000 rows took 2721ms. -- This message is automatically generated by JIRA. - For more information on JIRA, see: http://www.atlassian.com/software/jira