[infinispan-issues] [JBoss JIRA] (ISPN-10423) RocksDB ReadOptions memory leak

[Ryan Emerson (Jira)]

     [ https://issues.jboss.org/browse/ISPN-10423?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ryan Emerson updated ISPN-10423:
--------------------------------
    Status: Open  (was: New)


> RocksDB ReadOptions memory leak
> -------------------------------
>
>                 Key: ISPN-10423
>                 URL: https://issues.jboss.org/browse/ISPN-10423
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Loaders and Stores
>    Affects Versions: 10.0.0.Beta4, 9.4.15.Final
>            Reporter: Ryan Emerson
>            Assignee: Ryan Emerson
>            Priority: Major
>             Fix For: 10.0.0.Beta5, 9.4.16.Final
>
>
> Currently our rocksdb store impl creates a new ReadOptions instance per iterator created. As per the RocksDB we should be calling {{dispose()}} on this once it goes out of scope, so that the c++ underlying impl can free the memory. Currently we're not doing this, resulting in a memory leak. 
> As we only ever use the same ReadOptions for all iterators, we should simply re-use a singleton for all iterators and then dispose of this on shutdown.



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