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Posted to dev@pig.apache.org by "Rohini Palaniswamy (JIRA)" <ji...@apache.org> on 2013/02/21 23:18:13 UTC
[jira] [Updated] (PIG-3204) Optimize the number of FS calls to get
schema to cut down time before job launch
[ https://issues.apache.org/jira/browse/PIG-3204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rohini Palaniswamy updated PIG-3204:
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Affects Version/s: 0.10.1
> Optimize the number of FS calls to get schema to cut down time before job launch
> --------------------------------------------------------------------------------
>
> Key: PIG-3204
> URL: https://issues.apache.org/jira/browse/PIG-3204
> Project: Pig
> Issue Type: Improvement
> Affects Versions: 0.10.1
> Reporter: Rohini Palaniswamy
>
> Currently there are a lot of NN calls made to determine if there is a schema file for a path in a LOAD statement. When there is a slow NN(caused by whole bunch of other issues), it takes a lot of time for this and we found the scripts spending anywhere from 5 mins to 40 mins depending upon the script. It seems to be a good place for optimization.
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