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https://issues.apache.org/jira/browse/BOOKKEEPER-181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13268893#comment-13268893
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Roger Bush commented on BOOKKEEPER-181:
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Just a thought on "autoincrement", I think this should be omitted. This is a
special case of creating a unique id. Any of these could be implemented using
client driven CAS. Collisions/retries on this should be low/reasonable both
for bk and for hedwig, I would think.
> Scale hedwig
> ------------
>
> Key: BOOKKEEPER-181
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-181
> Project: Bookkeeper
> Issue Type: Improvement
> Components: bookkeeper-server, hedwig-server
> Reporter: Sijie Guo
> Assignee: Sijie Guo
> Fix For: 4.2.0
>
> Attachments: hedwigscale.pdf, hedwigscale.pdf
>
>
> Current implementation of Hedwig and BookKeeper is designed to scale to
> hundreds of thousands of topics, but now we are looking at scaling them to
> tens to hundreds of millions of topics, using a scalable key/value store such
> as HBase.
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