Ivan Rakov created IGNITE-5874:
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Summary: Store TTL expire times in B+ tree on per-partition basis
Key: IGNITE-5874
URL: https://issues.apache.org/jira/browse/IGNITE-5874
Project: Ignite
Issue Type: Improvement
Components: cache
Affects Versions: 2.1
Reporter: Ivan Rakov
Fix For: 2.2
TTL expire times for entries are stored in PendingEntriesTree, which is
singleton for cache. When expiration occurs, all system threads iterate through
the tree in order to remove expired entries. Iterating through single tree
causes contention and perfomance loss.
We should keep instance of PendingEntriesTree for each partition, like we do
for CacheDataTree.
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