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From "Ashish Singhi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14938) Limit the number of znodes for ZK in bulk loaded hfile replication
Date Mon, 04 Jan 2016 07:23:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15080771#comment-15080771

Ashish Singhi commented on HBASE-14938:

After a offline discussion with [~anoop.hbase], writing data to ZK is not a concern but fetching
data from ZK is a major concern. 
So lets keep this jira open and wait for either ZOOKEEPER-1162 or ZOOKEEPER-2260 release.

> Limit the number of znodes for ZK in bulk loaded hfile replication
> ------------------------------------------------------------------
>                 Key: HBASE-14938
>                 URL: https://issues.apache.org/jira/browse/HBASE-14938
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ashish Singhi
>            Assignee: Ashish Singhi
>             Fix For: 2.0.0, 1.3.0
>         Attachments: HBASE-14938(1).patch, HBASE-14938-v1.patch, HBASE-14938-v2(1).patch,
HBASE-14938-v2.patch, HBASE-14938.patch
> In ZK the maximum allowable size of the data array is 1 MB. Until we have fixed HBASE-10295
we need to handle this.
> Approach to this problem will be discussed in the comments section.
> Note: We have done internal testing with more than 3k nodes in ZK yet to be replicated.

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