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https://issues.apache.org/jira/browse/HBASE-1755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12741022#action_12741022
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Erik Holstad commented on HBASE-1755:
-------------------------------------
Did some small testing to see how a node with a lot of children would be have
and what the memory usage would be.
These numbers were produced by running a single ZooKeeper node on my laptop and
will be further tested on a bigger cluster
in the beginning of next week, but just wanted to get some rough numbers.
Inserted 10000 children and it didn't seem to cause any issues. Approximate
memory usage for this insert seemed to be around 6MB, so about 600B/node which
seems kinda reasonable when looking at the DataNode.java code in ZooKeeper.
> Putting 'Meta' table into ZooKeeper
> -----------------------------------
>
> Key: HBASE-1755
> URL: https://issues.apache.org/jira/browse/HBASE-1755
> Project: Hadoop HBase
> Issue Type: Improvement
> Affects Versions: 0.21.0
> Reporter: Erik Holstad
> Fix For: 0.21.0
>
>
> Talking at the hackathon about moving the Meta table into ZooKeeper.
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