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https://issues.apache.org/jira/browse/HBASE-7237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell resolved HBASE-7237.
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Resolution: Not A Problem
> system metadata for tables/cfs needs to be validated on the master
> ------------------------------------------------------------------
>
> Key: HBASE-7237
> URL: https://issues.apache.org/jira/browse/HBASE-7237
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.95.2
> Reporter: Sergey Shelukhin
> Priority: Minor
>
> shell currently validates whatever metadata user provides as argument to
> alter, however while looking at some other issue I noticed that user and
> system metadata is stored in the same dictionary in the descriptor, so shell
> validation is easy to bypass by setting a "user" metadata parameter with the
> same name as the system parameter.
> E.g. I just set MAX_FILESIZE to "moo" via CONFIG.
> This can be fixed in the shell, however the general problem I think is that
> system configuration should be validated server-side (e.g. on the master),
> not just on the client.
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