[
https://issues.apache.org/jira/browse/HBASE-1886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12767641#action_12767641
]
Jonathan Gray commented on HBASE-1886:
--------------------------------------
Binary issues doesn't really matter because now we're putting attributes into
json. Only remaining issue would be with table names and family names, however
these are already limited to printable characters which should be fine going
from byte[] -> String -> byte[] (and we'll need to exclude slashes as well),
right?
Attributes into their own node sounds good.
> move table and column family attributes to ZK to make them live
> ---------------------------------------------------------------
>
> Key: HBASE-1886
> URL: https://issues.apache.org/jira/browse/HBASE-1886
> Project: Hadoop HBase
> Issue Type: Improvement
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
> Fix For: 0.21.0
>
> Attachments: live_attributes.patch
>
>
> This is a first cut at moving table and column family attributes up to ZK
> where they can be modified any time without requiring a disable/enable table
> cycle. Adds methods to ZooKeeperWrapper for support server side. Adds methods
> to HTableInterface for client side access. Client side talks directly to ZK.
> The new hierarchy for attributes in ZK is like:
> {noformat}
> /hbase
> /table
> /<table-name>
> /attr
> /<table-attr-name>
> /<family-name>
> /<family-attr-name>
> {noformat}
> As before attribute names and values are byte[], but now that they are hosted
> in ZK, the path delimiter ('/') cannot be used.
> Attached patch compiles but has not been tested. I put it up for a concept
> review. Next step before this is functional is to deprecate the attribute
> related methods on HTD and HCD and chase through the warnings to find all
> users who should be updated to use the ZK wrapper or new HTable methods
> instead. And, of course, then add test cases that successfully complete.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
