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Posted to issues@trafodion.apache.org by "Sandhya Sundaresan (JIRA)" <ji...@apache.org> on 2018/09/05 21:32:00 UTC

[jira] [Closed] (TRAFODION-2097) Retry logic needed for methods that do hdfs reads

     [ https://issues.apache.org/jira/browse/TRAFODION-2097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sandhya Sundaresan closed TRAFODION-2097.
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> Retry logic needed for  methods that do hdfs reads 
> ---------------------------------------------------
>
>                 Key: TRAFODION-2097
>                 URL: https://issues.apache.org/jira/browse/TRAFODION-2097
>             Project: Apache Trafodion
>          Issue Type: Bug
>          Components: sql-exe
>    Affects Versions: 2.1-incubating
>            Reporter: Sandhya Sundaresan
>            Assignee: Sandhya Sundaresan
>            Priority: Major
>
> Sometimes hdfsOpenFile returns an EAGAIN on a file when hdfsOpenFile s called for reads. IF EAGAIN is returned,  Trafodion should retry the operation a few times. 
> This was observed in hive/TEST018 automated tests. A sleep was added to get around the issue . But we need to remove the sleep and ensure the selects that happen right afetr the "Unload"s will be able to retry the operation. 



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