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https://issues.apache.org/jira/browse/HIVE-11565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14717559#comment-14717559
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Siddharth Seth commented on HIVE-11565:
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Fixing or disabling the counters which are incorrect - FileSystem, CPU, GC - is
not straightfoward. Disabling them is the simplest but would need to be done in
Tez.
In terms of adding new counters - Counters are associated with a task. The
Input / Output / ProcessorContext for a task gives a handle on these counters.
Accessing the counters via these contexts and then creating a new counter
(findCounter) api is what is required to add a new counter.
> LLAP: Tez counters for LLAP
> ---------------------------
>
> Key: HIVE-11565
> URL: https://issues.apache.org/jira/browse/HIVE-11565
> Project: Hive
> Issue Type: Sub-task
> Reporter: Sergey Shelukhin
>
> 1) Tez counters for LLAP are incorrect.
> 2) Some counters, such as cache hit ratio for a fragment, are not propagated.
> We need to make sure that Tez counters for LLAP are usable.
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