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https://issues.apache.org/jira/browse/HIVE-24293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ádám Szita resolved HIVE-24293.
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Fix Version/s: 4.0.0
Resolution: Fixed
Nice catch, Anti!
+1 and committed to master.
> Integer overflow in llap collision mask
> ---------------------------------------
>
> Key: HIVE-24293
> URL: https://issues.apache.org/jira/browse/HIVE-24293
> Project: Hive
> Issue Type: Bug
> Affects Versions: 4.0.0
> Reporter: Antal Sinkovits
> Assignee: Antal Sinkovits
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> If multiple threads put the same buffer to the cache, only one succeeds. The
> other one detects this, and replaces its own buffer. This is marked by a bit
> mask encoded in a long, where the collided buffers are marked with a 1.
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