[Koha-bugs] [Bug 26996] Elasticsearch: Multiprocess reindexing sometimes doesn't reindex all records

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=26996

Nick Clemens <nick at bywatersolutions.com> changed:

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--- Comment #5 from Nick Clemens <nick at bywatersolutions.com> ---
Created attachment 114679
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https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=114679&action=edit
Bug 26996: Convert Elasticsearch indexer commit buffer size to integer

When multithreaded indexing is used, the commit size for children are spread
out resulting in them being of type float. When records are processed and the
commit counter decreased it may then never reach *exactly* 0. This means
records
are never commited. This patch makes sure the counter is an integer to avoid
the
problem.

To test you must find a set of circumstances that causes the issue. For me:
1. Run: ./rebuild_elasticsearch -v -b -p 2 -c 400
2. Note that only one process is logging "Committing xxx records..."
3. Kill processes.
4. Apply patch.
5. Repeat 1
6. Note that both processes are logging "Committing xxx records..."

Sponsored-by: Lund University Library
Signed-off-by: Joonas Kylmälä <joonas.kylmala at helsinki.fi>

Signed-off-by: Nick Clemens <nick at bywatersolutions.com>

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