https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=36549

            Bug ID: 36549
           Summary: es_indexer_daemon.pl leaks memory
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P5 - low
         Component: Architecture, internals, and plumbing
          Assignee: [email protected]
          Reporter: [email protected]
        QA Contact: [email protected]

background_jobs_worker.pl runs its tasks in child processes which return their
memory to the OS when they complete.

es_indexer_daemon.pl runs everything in itself which means if it needs to
allocate a large amount of memory for an indexing job, it will hold on to that
memory allocation for its entire process life.

--

I've got an es_indexer_daemon.pl which is using over 1GB of memory. Once it's
done with its indexing activity, I'm going to restart it to get it back down to
a more reasonable amount of allocated memory. 

I reckon we should be forking off child processes to do the worker. We don't
need many. We just need 1 that is short lived so that it can return the memory
back to the OS.

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