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https://issues.apache.org/jira/browse/HBASE-26714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tak-Lon (Stephen) Wu reassigned HBASE-26714:
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Assignee: Tak-Lon (Stephen) Wu
> Introduce path configuration for system coprocessors
> ----------------------------------------------------
>
> Key: HBASE-26714
> URL: https://issues.apache.org/jira/browse/HBASE-26714
> Project: HBase
> Issue Type: Task
> Components: Coprocessors
> Affects Versions: 2.5.0, 3.0.0-alpha-3
> Reporter: Tak-Lon (Stephen) Wu
> Assignee: Tak-Lon (Stephen) Wu
> Priority: Major
>
> Currently when region server starts, system coprocessors are normally loaded
> as part of the local classpath and the jar is stored in the local storage; in
> short words, Operator would have to copy the jar to each host (or a shared
> file system) and construct it as part of HBASE_CLASSPATH.
> although operator may have been doing the presetup of copying jar and making
> it available to the HBASE_CLASSPATH without any issue, it could be helpful if
> we provide an alternative method and centralize this configuration in
> hbase-site similar to the support of table-level coprocessor, e.g.
> configuring {{hbase.coprocessor.region.classes}} with the local/remote path
> along with the classname with a specific path token in the form of
> {{className|priority|path}}.
> Similarly in HBASE-23710, it provided the priority configuration via
> hbase-site that this new improvement aligns with the same purpose, and
> further help to simplify the deployment of System Coprocessors to e.g. hdfs
> or supported cloud storage.
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