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 BF02118136 for ; Wed, 6 May 2015 06:31:00 +0000 (UTC) Received: (qmail 56269 invoked by uid 500); 6 May 2015 06:31:00 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 56225 invoked by uid 500); 6 May 2015 06:31:00 -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 56214 invoked by uid 99); 6 May 2015 06:31:00 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 06 May 2015 06:31:00 +0000 Date: Wed, 6 May 2015 06:31:00 +0000 (UTC) From: "ramkrishna.s.vasudevan (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HBASE-13579) Avoid isCellTTLExpired() for NO-TAG cases 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-13579?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ramkrishna.s.vasudevan updated HBASE-13579: ------------------------------------------- Attachment: HBASE-13579_branch-1_1.patch > Avoid isCellTTLExpired() for NO-TAG cases > ----------------------------------------- > > Key: HBASE-13579 > URL: https://issues.apache.org/jira/browse/HBASE-13579 > Project: HBase > Issue Type: Sub-task > Components: Scanners > Affects Versions: 2.0.0 > Reporter: ramkrishna.s.vasudevan > Assignee: ramkrishna.s.vasudevan > Attachments: HBASE-13579_0.98.patch, HBASE-13579_1.patch, HBASE-13579_2.patch, HBASE-13579_KVExtension.patch, HBASE-13579_branch-1.patch, HBASE-13579_branch-1_1.patch, HBASE-13579_storelevel.patch > > > As observed in this JIRA's performance test, we are always calling the isCellTTLExpired() for every cell and internally it is parsing the keyLength, valueLength() to get the tagsLength after which we decide whether Cell level TTL is present are not. > This JIRA aims to avoid this check if all the readers of the storescanner knows that there are no tags to read. Note that, for the memstore scanner we will do that in another JIRA, which I suppose Stack had already raised to avoid tag length while flushing (for the NO-TAG) case. -- This message was sent by Atlassian JIRA (v6.3.4#6332)