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 5222D18F8E for ; Mon, 26 Oct 2015 18:53:33 +0000 (UTC) Received: (qmail 66861 invoked by uid 500); 26 Oct 2015 18:53:28 -0000 Delivered-To: apmail-cassandra-commits-archive@cassandra.apache.org Received: (qmail 66819 invoked by uid 500); 26 Oct 2015 18:53:28 -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 66674 invoked by uid 99); 26 Oct 2015 18:53:28 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 26 Oct 2015 18:53:28 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id D897F2C1F74 for ; Mon, 26 Oct 2015 18:53:27 +0000 (UTC) Date: Mon, 26 Oct 2015 18:53:27 +0000 (UTC) From: "Aaron Whiteside (JIRA)" To: commits@cassandra.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Reopened] (CASSANDRA-9328) WriteTimeoutException thrown when LWT concurrency > 1, despite the query duration taking MUCH less than cas_contention_timeout_in_ms 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-9328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Aaron Whiteside reopened CASSANDRA-9328: ---------------------------------------- > WriteTimeoutException thrown when LWT concurrency > 1, despite the query duration taking MUCH less than cas_contention_timeout_in_ms > ------------------------------------------------------------------------------------------------------------------------------------ > > Key: CASSANDRA-9328 > URL: https://issues.apache.org/jira/browse/CASSANDRA-9328 > Project: Cassandra > Issue Type: Bug > Components: Core > Reporter: Aaron Whiteside > Priority: Critical > Fix For: 2.1.x > > Attachments: CassandraLWTTest.java, CassandraLWTTest2.java > > > WriteTimeoutException thrown when LWT concurrency > 1, despite the query duration taking MUCH less than cas_contention_timeout_in_ms. > Unit test attached, run against a 3 node cluster running 2.1.5. > If you reduce the threadCount to 1, you never see a WriteTimeoutException. If the WTE is due to not being able to communicate with other nodes, why does the concurrency >1 cause inter-node communication to fail? -- This message was sent by Atlassian JIRA (v6.3.4#6332)