Serg Shnerson created CASSANDRA-4571:
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Summary: 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: 1.1.2
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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