Return-Path: X-Original-To: apmail-cassandra-commits-archive@www.apache.org Delivered-To: apmail-cassandra-commits-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 120F4112C7 for ; Wed, 18 Jun 2014 19:26:25 +0000 (UTC) Received: (qmail 88090 invoked by uid 500); 18 Jun 2014 19:26:24 -0000 Delivered-To: apmail-cassandra-commits-archive@cassandra.apache.org Received: (qmail 88058 invoked by uid 500); 18 Jun 2014 19:26:24 -0000 Mailing-List: contact commits-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@cassandra.apache.org Delivered-To: mailing list commits@cassandra.apache.org Received: (qmail 87946 invoked by uid 99); 18 Jun 2014 19:26:24 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 18 Jun 2014 19:26:24 +0000 Date: Wed, 18 Jun 2014 19:26:24 +0000 (UTC) From: "T Jake Luciani (JIRA)" To: commits@cassandra.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (CASSANDRA-6755) Optimise CellName/Composite comparisons for NativeCell 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/CASSANDRA-6755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14036228#comment-14036228 ] T Jake Luciani commented on CASSANDRA-6755: ------------------------------------------- Yeah, but the actual code won't be changing so feel free to review :) > Optimise CellName/Composite comparisons for NativeCell > ------------------------------------------------------ > > Key: CASSANDRA-6755 > URL: https://issues.apache.org/jira/browse/CASSANDRA-6755 > Project: Cassandra > Issue Type: Improvement > Reporter: Benedict > Assignee: T Jake Luciani > Priority: Minor > Labels: performance > Fix For: 2.1.0 > > Attachments: 6755.txt > > > As discussed in CASSANDRA-6694, to reduce temporary garbage generation we should minimise the incidence of CellName component extraction. The biggest win will be to perform comparisons on Cell where possible, instead of CellName, so that Native*Cell can use its extra information to avoid creating any ByteBuffer objects -- This message was sent by Atlassian JIRA (v6.2#6252)