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Posted to issues@hbase.apache.org by "Vladimir Rodionov (Jira)" <ji...@apache.org> on 2026/08/11 18:04:00 UTC

[jira] [Work started] (HBASE-30329) Add topology-backed cache diagnostics and compatibility cleanup

     [ https://issues.apache.org/jira/browse/HBASE-30329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HBASE-30329 started by Vladimir Rodionov.
-------------------------------------------------
> Add topology-backed cache diagnostics and compatibility cleanup
> ---------------------------------------------------------------
>
>                 Key: HBASE-30329
>                 URL: https://issues.apache.org/jira/browse/HBASE-30329
>             Project: HBase
>          Issue Type: New Feature
>          Components: BlockCache
>    Affects Versions: 4.0.0-alpha-1
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>            Priority: Major
>
> - Review all uses of CombinedBlockCache, getBlockCaches(), and BlockCacheBackedCacheAccessService.
> - Replace test-only casts with CacheAccessServiceTestFactory helpers where appropriate.
> - Ensure topology-backed service exposes existing diagnostic capabilities:
>   cached block iteration,
>   fully cached files,
>   stats,
>   size counters,
>   cache names.
> - Add focused tests proving old observable behavior still works through CacheAccessService.



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