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https://issues.apache.org/jira/browse/PIG-4958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15410247#comment-15410247
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Rohini Palaniswamy commented on PIG-4958:
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bq. This would occupy the single RPC handler thread configured on this
interface. I'm guessing the timed version of the call is not being used.
Something to be aware of, if attempting multiple connections to the same AM.
[~sseth], So we can't use the timed version of API at all as it would block
the other call. Will just resort to increasing thread sleep time then.
> Tez autoparallelism estimation for order by is higher than mapreduce
> --------------------------------------------------------------------
>
> Key: PIG-4958
> URL: https://issues.apache.org/jira/browse/PIG-4958
> Project: Pig
> Issue Type: Bug
> Reporter: Rohini Palaniswamy
> Assignee: Rohini Palaniswamy
> Fix For: 0.17.0
>
> Attachments: PIG-4958-1.patch, PIG-4958-2.patch,
> PIG-4958-withoutsecurity.patch
>
>
> The input size is calculated from the size of the samples in memory. Size
> in memory is usually 4x or more than the serialized size. Mapreduce estimates
> the number of reducers based on serialized size.
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