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 BBAF01196B for ; Thu, 10 Jul 2014 21:52:05 +0000 (UTC) Received: (qmail 70117 invoked by uid 500); 10 Jul 2014 21:52:05 -0000 Delivered-To: apmail-cassandra-commits-archive@cassandra.apache.org Received: (qmail 70080 invoked by uid 500); 10 Jul 2014 21:52:05 -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 70069 invoked by uid 99); 10 Jul 2014 21:52:05 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 10 Jul 2014 21:52:05 +0000 Date: Thu, 10 Jul 2014 21:52:05 +0000 (UTC) From: "Jeremiah Jordan (JIRA)" To: commits@cassandra.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (CASSANDRA-7533) Let MAX_OUTSTANDING_REPLAY_COUNT be configurable MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Jeremiah Jordan created CASSANDRA-7533: ------------------------------------------ Summary: Let MAX_OUTSTANDING_REPLAY_COUNT be configurable Key: CASSANDRA-7533 URL: https://issues.apache.org/jira/browse/CASSANDRA-7533 Project: Cassandra Issue Type: Improvement Components: Core Reporter: Jeremiah Jordan Assignee: Yuki Morishita Priority: Minor Fix For: 2.0.10 There are some workloads where commit log replay will run into contention issues with multiple things updating the same partition. Through some testing it was found that lowering CommitLogReplayer.java MAX_OUTSTANDING_REPLAY_COUNT can help with this issue. The calculations added in CASSANDRA-6655 are one such place things get bottlenecked. -- This message was sent by Atlassian JIRA (v6.2#6252)