Imri Zvik created CASSANDRA-9953:
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Summary: 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:
{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).
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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