From user-return-19468-apmail-cassandra-user-archive=cassandra.apache.org@cassandra.apache.org Wed Aug 3 11:30:22 2011 Return-Path: X-Original-To: apmail-cassandra-user-archive@www.apache.org Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id D87F77AD2 for ; Wed, 3 Aug 2011 11:30:22 +0000 (UTC) Received: (qmail 65333 invoked by uid 500); 3 Aug 2011 11:30:19 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 65182 invoked by uid 500); 3 Aug 2011 11:30:15 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 65173 invoked by uid 99); 3 Aug 2011 11:30:13 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 03 Aug 2011 11:30:13 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of benoit@noisette.ch designates 209.85.216.179 as permitted sender) Received: from [209.85.216.179] (HELO mail-qy0-f179.google.com) (209.85.216.179) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 03 Aug 2011 11:30:07 +0000 Received: by qyk35 with SMTP id 35so103801qyk.10 for ; Wed, 03 Aug 2011 04:29:46 -0700 (PDT) MIME-Version: 1.0 Received: by 10.229.251.76 with SMTP id mr12mr3004702qcb.13.1312370986501; Wed, 03 Aug 2011 04:29:46 -0700 (PDT) Received: by 10.229.75.67 with HTTP; Wed, 3 Aug 2011 04:29:46 -0700 (PDT) In-Reply-To: References: Date: Wed, 3 Aug 2011 13:29:46 +0200 Message-ID: Subject: Re: Significance of java_pidxxx.hprof From: Benoit Perroud To: user@cassandra.apache.org Content-Type: text/plain; charset=UTF-8 When an OutOfMemoryError is thrown, a heap dump file named java_pid.hprof will be created automatically is you run your java app with +HeapDumpOnOutMemoryError 2011/8/3 CASSANDRA learner : > As per subject, Please explain me what is the significance of > java_pidxxx.hprof >