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 D94ED118E4 for ; Tue, 15 Apr 2014 12:50:48 +0000 (UTC) Received: (qmail 70462 invoked by uid 500); 15 Apr 2014 12:50:32 -0000 Delivered-To: apmail-cassandra-commits-archive@cassandra.apache.org Received: (qmail 70419 invoked by uid 500); 15 Apr 2014 12:50:30 -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 70349 invoked by uid 99); 15 Apr 2014 12:50:23 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 15 Apr 2014 12:50:23 +0000 Date: Tue, 15 Apr 2014 12:50:23 +0000 (UTC) From: "Benedict (JIRA)" To: commits@cassandra.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (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:all-tabpanel ] Benedict updated CASSANDRA-6755: -------------------------------- Summary: Optimise CellName/Composite comparisons for NativeCell (was: Minimise extraction of CellName components) > 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: Benedict > Priority: Minor > Labels: performance > Fix For: 3.0 > > > 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)