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

[Ryan Emerson (Jira)]

Ryan Emerson created ISPN-10423:
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             Summary: 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: 9.4.15.Final, 10.0.0.Beta4
            Reporter: Ryan Emerson
            Assignee: Ryan Emerson
             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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