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https://issues.apache.org/jira/browse/HBASE-7022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13481969#comment-13481969
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Jimmy Xiang commented on HBASE-7022:
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Currently, I think ZooKeeper#multi doesn’t help very much since it's
synchronous, transactional, and doesn’t support something like upsert in SQL
(i.e.
create it if a node doesn’t exist, otherwise, update its data). It supports
batch of size less than 1MB. If we can have an asynchronous, non-transactional
multi zookeeper client function, which also supports upsert, it will really
help.
> Use multi to batch offline regions in zookeeper
> -----------------------------------------------
>
> Key: HBASE-7022
> URL: https://issues.apache.org/jira/browse/HBASE-7022
> Project: HBase
> Issue Type: Bug
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
>
> Bulk assigner needs to set regions offline in zookeeper one by one. I was
> wondering if we can have some performance improvement if we batch these
> operations using ZooKeeper#multi.
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