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Posted to issues-all@impala.apache.org by "Alex Rodoni (JIRA)" <ji...@apache.org> on 2018/06/09 00:21:00 UTC
[jira] [Closed] (IMPALA-5918) Improve the documentation around
REFRESH and INVALIDATE METADATA
[ https://issues.apache.org/jira/browse/IMPALA-5918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alex Rodoni closed IMPALA-5918.
-------------------------------
Resolution: Fixed
Fix Version/s: Impala 3.1.0
Impala 2.13.0
> Improve the documentation around REFRESH and INVALIDATE METADATA
> ----------------------------------------------------------------
>
> Key: IMPALA-5918
> URL: https://issues.apache.org/jira/browse/IMPALA-5918
> Project: IMPALA
> Issue Type: Bug
> Components: Docs
> Affects Versions: Impala 2.9.0
> Reporter: Dimitris Tsirogiannis
> Assignee: Alex Rodoni
> Priority: Major
> Fix For: Impala 2.13.0, Impala 3.1.0
>
>
> The documentation of REFRESH does not seem to explicitly mention that REFRESH can also detect file modifications and deletions as long as the modifications are not a result of hdfs rebalancer. In some cases, users are confused and so they end up using INVALIDATE METADATA even though they should be using REFRESH instead. We should expand the documentation of REFRESH to include all use cases.
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