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https://issues.apache.org/jira/browse/HBASE-7084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13489442#comment-13489442
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Harsh J commented on HBASE-7084:
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Thanks Kevin! I wouldn't go so high though for defaults, since there are users
who don't mind a few tens or a hundred of regions of a single table per RS,
just for parallelism (over fragmented files - better availability in face of
per-region failure, if any), and of course - that is also data size dependent.
> Raise default minimum region split size
> ---------------------------------------
>
> Key: HBASE-7084
> URL: https://issues.apache.org/jira/browse/HBASE-7084
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Affects Versions: 0.96.0
> Reporter: Harsh J
> Priority: Trivial
>
> Several times I've seen folks mentioning to raise region split sizes from the
> default 256m to something more suitable (mostly folks say 1 GB, sometimes 2
> GB, more than other options), in order to control the # of regions explosion
> once they begin heavy-hitting the tables.
> Perhaps it makes sense to raise the default itself, since there are ways to
> bring it down per-table if needed by some use-cases?
> Opening this as a discussion first, since this "too many regions" trouble is
> quite prevalent among newcomers.
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