[jira] [Resolved] (HBASE-26810) Add dynamic configuration support for system coprocessors

["Tak-Lon (Stephen) Wu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-26810?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tak-Lon (Stephen) Wu resolved HBASE-26810.
------------------------------------------
    Hadoop Flags: Reviewed
    Release Note: 
Now dynamic configuration, configurign hbase-site and then call update_all_config, can also applied for the following properties.

hbase.coprocessor.master.classes
hbase.coprocessor.region.classes
hbase.coprocessor.regionserver.classes
hbase.coprocessor.user.region.classes
      Resolution: Fixed

committed as https://github.com/apache/hbase/commit/4ac600b04b7537d1bb171ba1501ad845dbb37fdb , create a backport request HBASE-26882 for branch-2

> Add dynamic configuration support for system coprocessors
> ---------------------------------------------------------
>
>                 Key: HBASE-26810
>                 URL: https://issues.apache.org/jira/browse/HBASE-26810
>             Project: HBase
>          Issue Type: Bug
>          Components: conf, Coprocessors
>    Affects Versions: 3.0.0-alpha-3
>            Reporter: Tak-Lon (Stephen) Wu
>            Assignee: Tak-Lon (Stephen) Wu
>            Priority: Major
>
> [Dynamic Configuraiton|https://hbase.apache.org/book.html#dyn_config] is very helpful that the operator can keep the JVM for regionserver or master running without restarting it. 
> With this feature, this task aims to extend the scope of on demend configuration to system coprocessors including REGION, USER REGION, REGIONSERVER, MASTER such that we could save time on rolling restart with a quicker update. 
>  



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