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Posted to commits@cassandra.apache.org by "Wojciech Meler (JIRA)" <ji...@apache.org> on 2012/09/07 11:27:08 UTC

[jira] [Created] (CASSANDRA-4630) SSTable data file filedescriptor leak in mmap_index_only disk access mode

Wojciech Meler created CASSANDRA-4630:
-----------------------------------------

             Summary: SSTable data file filedescriptor leak in mmap_index_only disk access mode
                 Key: CASSANDRA-4630
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4630
             Project: Cassandra
          Issue Type: Bug
    Affects Versions: 1.1.4
         Environment: centos-6.2, Oracle jdk 1.7, 1.6, OpenJDK-1.6.0
            Reporter: Wojciech Meler
            Priority: Blocker


After upgrading one node from 0.8.10 to 1.1.4 I've got java.net.SocketException: Too many open files in system.

lsof showed that one of CF is opened multiple times:
      7 /var/lib/cassandra/data/mail/mta_logs/mail-mta_logs-he-26595-Data.db
     18 /var/lib/cassandra/data/mail/mta_logs/mail-mta_logs-g-26576-Data.db
    185 /var/lib/cassandra/data/mail/mta_logs/mail-mta_logs-g-26536-Data.db
    328 /var/lib/cassandra/data/mail/mta_logs/mail-mta_logs-g-26580-Data.db
  18194 /var/lib/cassandra/data/mail/mta_logs/mail-mta_logs-g-26590-Data.db
  21339 /var/lib/cassandra/data/mail/mta_logs/mail-mta_logs-g-26512-Data.db
  24416 /var/lib/cassandra/data/mail/mta_logs/mail-mta_logs-g-26557-Data.db

nodetool cfstats says that this CF was read about 80K times


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[jira] [Resolved] (CASSANDRA-4630) SSTable data file filedescriptor leak in mmap_index_only disk access mode

Posted by "Sylvain Lebresne (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/CASSANDRA-4630?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sylvain Lebresne resolved CASSANDRA-4630.
-----------------------------------------

    Resolution: Duplicate

This is a duplicate of CASSANDRA-4571.
                
> SSTable data file filedescriptor leak in mmap_index_only disk access mode
> -------------------------------------------------------------------------
>
>                 Key: CASSANDRA-4630
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4630
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 1.1.4
>         Environment: centos-6.2, Oracle jdk 1.7, 1.6, OpenJDK-1.6.0
>            Reporter: Wojciech Meler
>            Priority: Blocker
>
> After upgrading one node from 0.8.10 to 1.1.4 I've got java.net.SocketException: Too many open files in system.
> lsof showed that one of CF is opened multiple times:
>       7 /var/lib/cassandra/data/mail/mta_logs/mail-mta_logs-he-26595-Data.db
>      18 /var/lib/cassandra/data/mail/mta_logs/mail-mta_logs-g-26576-Data.db
>     185 /var/lib/cassandra/data/mail/mta_logs/mail-mta_logs-g-26536-Data.db
>     328 /var/lib/cassandra/data/mail/mta_logs/mail-mta_logs-g-26580-Data.db
>   18194 /var/lib/cassandra/data/mail/mta_logs/mail-mta_logs-g-26590-Data.db
>   21339 /var/lib/cassandra/data/mail/mta_logs/mail-mta_logs-g-26512-Data.db
>   24416 /var/lib/cassandra/data/mail/mta_logs/mail-mta_logs-g-26557-Data.db
> nodetool cfstats says that this CF was read about 80K times

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