Maria Makedonskaya created IGNITE-14497:
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Summary: Move background task deletion at the end of next
checkpoint
Key: IGNITE-14497
URL: https://issues.apache.org/jira/browse/IGNITE-14497
Project: Ignite
Issue Type: Bug
Reporter: Maria Makedonskaya
Assignee: Maria Makedonskaya
In [1] has been described scenario of the race that makes possible a situation
when information from metastore has been deleted and part of the index is still
present in the storage.
Actually, fix in [1] that has been done in slightly different way, however, it
strongly decreases possibility of the race. Removal of the background task has
been moved to beginning of the next checkpoint. It was done this way, because
the problem was in case when node unexpectedly failed in the middle of next
checkpoint and after restart task failed on check of deleted index metaPage.
The check was done in [2].
In current issue, we only move background task deletion at the end of the next
checkpoint.
[1]IGNITE-13382
[2]IGNITE-14447
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