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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9872) ModifyTable does not modify the attributes of a newly modified/changed ColumnDescriptor
Date Fri, 01 Nov 2013 16:02:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13811384#comment-13811384
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Anoop Sam John commented on HBASE-9872:
---------------------------------------

Yes I mean to check whether any changes in HCDs in HTD will get affected by the modifyTable.
If adding column is not considered then modifications to existing HCDs also not considered
make sense IMO

> ModifyTable does not  modify the attributes of a newly modified/changed ColumnDescriptor
> ----------------------------------------------------------------------------------------
>
>                 Key: HBASE-9872
>                 URL: https://issues.apache.org/jira/browse/HBASE-9872
>             Project: HBase
>          Issue Type: Bug
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>             Fix For: 0.98.0, 0.94.13, 0.96.1
>
>
> This issue (if it is an expected behaviour I can close this) exists in all versions.
> If i do modifyColumn and change an HCDs parameter I am able to get back the modified
HCD with the latest data.
> But when i do modifyTable and in that modify an HCD parameter say for eg. the SCOPE of
it then as we don't persist the HCD information as in TableModifyFamilyHandler used for modifycolumn
> {code}
>   HTableDescriptor htd =
>       this.masterServices.getMasterFileSystem().modifyColumn(tableName, familyDesc);
> {code}
> we are not able to get the updated HCD information on the RegionServer.  So incases of
replication where I need to modify the HCD's scope we are not able to make the replication
happen. 



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