Aleksey Plekhanov created IGNITE-22069:
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Summary: Fix contention on expiration for persistent caches
Key: IGNITE-22069
URL: https://issues.apache.org/jira/browse/IGNITE-22069
Project: Ignite
Issue Type: Improvement
Reporter: Aleksey Plekhanov
Assignee: Aleksey Plekhanov
We've fixed contention on expiration for in-memory caches by IGNITE-14341 and
IGNITE-21929 tickets, but persistent caches use another method to expire
entries and this method should be fixed too. Moreover, there are some other
optimizations related to expiration we can made:
# Use batch pending tree entries removal for persistent caches (already
implemented for in-memory)
# Randomize iteration over cache data stores during expiration to reduce
contention
# For each transaction, we try to expire entries for every cache in the
cluster. At least we can limit the list of caches to caches related to
transaction.
# On cache destroy batch removal from pending entries tree can be used
(instead of one-by-one deletion).
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