[jira] [Created] (IGNITE-8483) Per partition TTL pending tree for in-memory caches.

[Anton Vinogradov (Jira)]

Andrew Mashenkov created IGNITE-8483:
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             Summary: Per partition TTL pending tree for in-memory caches.
                 Key: IGNITE-8483
                 URL: https://issues.apache.org/jira/browse/IGNITE-8483
             Project: Ignite
          Issue Type: Improvement
          Components: cache
            Reporter: Andrew Mashenkov


For in memory cache pending tree root page is allocated when ignite store is initializing even if no ExpiryPolicy is used. 
 We have to implement lazy PendingTree initialization and switch to per-partition based PendingTree as we've done for persistent caches.

Switching to per-partition based PendingTree without lazy initialization will bump us with 1024 unevictable pages per CacheGroup if no ExpiryPolicy is used.

 



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