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https://issues.apache.org/jira/browse/IMPALA-9197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on IMPALA-9197 started by Tim Armstrong.
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> Hash table lookup should be read-only
> -------------------------------------
>
> Key: IMPALA-9197
> URL: https://issues.apache.org/jira/browse/IMPALA-9197
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Tim Armstrong
> Assignee: Tim Armstrong
> Priority: Major
> Labels: multithreading
>
> For IMPALA-9156, we need concurrent lookups to the hash table to be thread
> safe. We are pretty close to that, except a few stats are maintained in
> HashTable and would be modified concurrently from multiple threads.
> We should modify those places to update the stats in HashTableCtx instead.
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