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https://issues.apache.org/jira/browse/TAJO-1466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14386207#comment-14386207
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Jinho Kim commented on TAJO-1466:
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1,2. Currently, a table is shared a resource by ExecutionBlock. If all
execution blocks share a table, we should handle the memory limitation.
A table lock should not be global lock. It will lock other query until building
the cache table.
3. If cleanup event is missed, current query must be failed. and we have a plan
for more fault tolerance
I don't know why you have a problem. please let me know for reproduce
> Fix problems in table cache
> ---------------------------
>
> Key: TAJO-1466
> URL: https://issues.apache.org/jira/browse/TAJO-1466
> Project: Tajo
> Issue Type: Bug
> Reporter: Navis
> Assignee: Navis
>
> It's not managed properly and locks on it are broken. And can cause leakage
> if cleanup event is missed.
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