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https://issues.apache.org/jira/browse/ZOOKEEPER-3049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16486931#comment-16486931
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wayne commented on ZOOKEEPER-3049:
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[~lvfangmin] does this mean that the multiple ops would be executed atomically
on a same node? so any clients would see either the staled data (2, 4) or the
new data (3, 5), they shouldn't be seeing (2,5) or (3, 4)?
> would zookeeper transaction(multi) block the concurrent read?
> -------------------------------------------------------------
>
> Key: ZOOKEEPER-3049
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3049
> Project: ZooKeeper
> Issue Type: Wish
> Components: documentation
> Reporter: wayne
> Priority: Major
>
> For instance, the original data for znode1 and znode2 are 2 and 4
> respectively. I want to perform increment operations over them. Finally, I
> would get (3, 5) for znode1 and znode2. In order to keep atomicity, I used
> multi() api. Is there any possibility that any clients could read (3, 4)
> concurrently? That is, the read happened after znode1++ and before znode2++?
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