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Posted to commits@cassandra.apache.org by "Stefan Podkowinski (JIRA)" <ji...@apache.org> on 2015/08/06 11:44:04 UTC
[jira] [Commented] (CASSANDRA-9953) Snapshot file handlers are not
released after snapshot deleted
[ https://issues.apache.org/jira/browse/CASSANDRA-9953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14659756#comment-14659756 ]
Stefan Podkowinski commented on CASSANDRA-9953:
-----------------------------------------------
This looks like a duplicate of CASSANDRA-9382, which has been fixed in 2.0.17.
> Snapshot file handlers are not released after snapshot deleted
> --------------------------------------------------------------
>
> Key: CASSANDRA-9953
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9953
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Imri Zvik
>
> We are seeing a lot of opened file descriptors to deleted snapshots (deleted using nodetool clearsnapshot):
> {code}
> java 128657 cassandra DEL REG 253,2 569272514 /var/lib/cassandra/data/accounts/account_store_data/snapshots/feb5f790-316e-11e5-aec0-472b0d6e3fd4/accounts-account_store_data-jb-264593-Index.db
> java 128657 cassandra DEL REG 253,2 1610616657 /var/lib/cassandra/data/accounts/account_store_counters/snapshots/03aa4710-316f-11e5-aec0-472b0d6e3fd4/accounts-account_store_counters-jb-635527-Index.db
> java 128657 cassandra DEL REG 253,2 1610613856 /var/lib/cassandra/data/accounts/account_store_counters/snapshots/43c17170-316f-11e5-aec0-472b0d6e3fd4/accounts-account_store_counters-jb-635675-Index.db
> java 128657 cassandra DEL REG 253,2 1610613052 /var/lib/cassandra/data/accounts/account_store_counters/snapshots/18e001a0-3170-11e5-aec0-472b0d6e3fd4/accounts-account_store_counters-jb-636200-Index.db
> [root@cassandra002 ~]# lsof -np 128657 |grep -c DEL
> 56682
> {code}
> They are probably created by the routine repair process, but they are never cleared (restarting the Cassandra process clears them, of course).
> We are seeing these also after all repair processes finished, and no repair process is running in the cluster.
> There are no errors or fatals in the system.log.
> We are using Datastax community edition 2.0.13, installed from RPMs.
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