Sergey Chugunov created IGNITE-6641:
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Summary: PageId handling improvement: PARTITION_ID masking
Key: IGNITE-6641
URL: https://issues.apache.org/jira/browse/IGNITE-6641
Project: Ignite
Issue Type: Improvement
Security Level: Public (Viewable by anyone)
Components: cache
Reporter: Sergey Chugunov
Fix For: 2.4
All in-memory caches share the same FreeList data structure which relies on
pageId comparisons to manage its internal state.
As described in javadoc for *FullPageId* class each pageId contains a
partitionID part which is not guaranteed to be constant and is going to be
changed as part of a linked ticket.
Thus we need to exclude partitionID when using pageId for comparisons that
expect pageId to be constant.
h2. Notes
This change is not applicable for persistent caches as they maintain separate
FreeList for each partition so partitionID part is constant for pages from that
partition.
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