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 EE28218854 for ; Tue, 6 Oct 2015 00:42:26 +0000 (UTC) Received: (qmail 18109 invoked by uid 500); 6 Oct 2015 00:42:26 -0000 Delivered-To: apmail-cassandra-commits-archive@cassandra.apache.org Received: (qmail 18071 invoked by uid 500); 6 Oct 2015 00:42:26 -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 18054 invoked by uid 99); 6 Oct 2015 00:42:26 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 06 Oct 2015 00:42:26 +0000 Date: Tue, 6 Oct 2015 00:42:26 +0000 (UTC) From: "Robbie Strickland (JIRA)" To: commits@cassandra.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (CASSANDRA-10449) OOM on bootstrap due to long GC pause MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Robbie Strickland created CASSANDRA-10449: --------------------------------------------- Summary: OOM on bootstrap due to long GC pause Key: CASSANDRA-10449 URL: https://issues.apache.org/jira/browse/CASSANDRA-10449 Project: Cassandra Issue Type: Bug Components: Core Environment: Ubuntu 14.04 Reporter: Robbie Strickland I have a 20-node cluster with vnodes (default of 256) and 500-700GB per node. SSTable counts are <10 per node. I am attempting to provision additional nodes, but bootstrapping OOMs every time after about 10 hours with a sudden long GC pause: {noformat} INFO [Service Thread] 2015-10-05 23:33:33,373 GCInspector.java:252 - G1 Old Generation GC in 1586126ms. G1 Old Gen: 49213756976 -> 49072277176; ... ERROR [MemtableFlushWriter:454] 2015-10-05 23:33:33,380 CassandraDaemon.java:223 - Exception in thread Thread[MemtableFlushWriter:454,5,main] java.lang.OutOfMemoryError: Java heap space {noformat} I have tried increasing max heap to 48G just to get through the bootstrap, to no avail. -- This message was sent by Atlassian JIRA (v6.3.4#6332)