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Serg Shnerson edited comment on CASSANDRA-4571 at 8/30/12 11:08 AM: -------------------------------------------------------------------- bq.Are you sure you can't reproduce on a single-node cluster? My mistake. I've checked it again. Bug also was reproduced with one-node cluster. was (Author: sergshne): bq.Are you sure you can't reproduce on a single-node cluster? My mistake. Bug also was reproduced with one-node cluster. > 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). -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira