Vladimir Ozerov created IGNITE-19:
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Summary: Race condition when offheaped value is being promoted to
swap.
Key: IGNITE-19
URL: https://issues.apache.org/jira/browse/IGNITE-19
Project: Ignite
Issue Type: Bug
Components: cache
Affects Versions: sprint-1
Reporter: Vladimir Ozerov
Assignee: Vladimir Ozerov
Priority: Critical
Fix For: sprint-2
Eviction from offheap to swap is done using listener on GridUnsafeMap.
Notification of this listener happens when value is already deleted from
offheap and lock is released (GridUnsafeMap line 860). So "get" operation on
cache can miss the value while it is in between.
Need to:
1) Review this code piece;
2) Create a test reproducing the issue;
3) Fix it.
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