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https://issues.apache.org/jira/browse/HBASE-26268?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Charles Connell updated HBASE-26268:
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Release Note:
- Added methods preUpdateMasterConfiguration and postUpdateMasterConfiguration
to MasterObserver to allow coprocessors to hook into configuration reloads in
HMasters. Runs when reload is triggered by RPC or by SIGHUP.
- Added methods preUpdateRegionServerConfiguration and
postUpdateRegionServerConfiguration to RegionServerObserver to do the same in
RegionServers.
- Added methods preClearRegionBlockCache and postClearRegionBlockCache to
RegionServerObserver to allow coprocessors to hook into block cache clearing.
> Provide coprocessor hooks for updateConfiguration and clearRegionBlockCache
> ---------------------------------------------------------------------------
>
> Key: HBASE-26268
> URL: https://issues.apache.org/jira/browse/HBASE-26268
> Project: HBase
> Issue Type: Bug
> Reporter: Bryan Beaudreault
> Assignee: Charles Connell
> Priority: Major
> Fix For: 2.6.0, 4.0.0-alpha-1, 3.0.0-beta-2
>
>
> Sorry for the vague title, not sure if it'd be better to create individual
> jiras. I discovered that the following two AdminService endpoints are not
> covered by AccessController:
>
> * updateConfiguration
> * clearRegionBlockCache
> There may be others, I haven't done a full audit. We should add coprocessor
> hooks for these and wrap with AccessController, especially since they can
> both have an affect on the cluster.
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