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Posted to commits@cassandra.apache.org by "Steven Willcox (JIRA)" <ji...@apache.org> on 2012/08/29 18:24:08 UTC
[jira] [Comment Edited] (CASSANDRA-4571) Strange permament socket
descriptors increasing leads to "Too many open files"
[ https://issues.apache.org/jira/browse/CASSANDRA-4571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13444161#comment-13444161 ]
Steven Willcox edited comment on CASSANDRA-4571 at 8/30/12 3:22 AM:
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We are also seeing this bug and all nodes eventually run out of file descriptors and crash. It is a blocker for us.
was (Author: swillcox):
We are also seeing this bug and all nodes eventually run out of file descriptors and crash.
> Strange permament socket descriptors increasing leads to "Too many open files"
> ------------------------------------------------------------------------------
>
> Key: CASSANDRA-4571
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4571
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.1.1, 1.1.2, 1.1.3
> Environment: CentOS 5.8 Linux 2.6.18-308.13.1.el5 #1 SMP Tue Aug 21 17:10:18 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux.
> java version "1.6.0_33"
> Java(TM) SE Runtime Environment (build 1.6.0_33-b03)
> Java HotSpot(TM) 64-Bit Server VM (build 20.8-b03, mixed mode)
> Reporter: Serg Shnerson
> Priority: Critical
>
> On the two-node cluster there was found strange socket descriptors increasing. lsof -n | grep java shows many rows like"
> java 8380 cassandra 113r unix 0xffff8101a374a080 938348482 socket
> java 8380 cassandra 114r unix 0xffff8101a374a080 938348482 socket
> java 8380 cassandra 115r unix 0xffff8101a374a080 938348482 socket
> java 8380 cassandra 116r unix 0xffff8101a374a080 938348482 socket
> java 8380 cassandra 117r unix 0xffff8101a374a080 938348482 socket
> java 8380 cassandra 118r unix 0xffff8101a374a080 938348482 socket
> java 8380 cassandra 119r unix 0xffff8101a374a080 938348482 socket
> java 8380 cassandra 120r unix 0xffff8101a374a080 938348482 socket
> " And number of this rows constantly increasing. After about 24 hours this situation leads to error.
> We use PHPCassa client. Load is not so high (aroud ~50kb/s on write).
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