Biju Nair commented on HBASE-18532:

Looks like HBASE-14582 removes the long L2 block list rendered on the UI when 
L2 cache is selected. 

> Improve cache related stats rendered on RS UI
> ---------------------------------------------
>                 Key: HBASE-18532
>                 URL: https://issues.apache.org/jira/browse/HBASE-18532
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver, UI
>    Affects Versions: 1.1.2
>            Reporter: Biju Nair
> The stats currently rendered for L1 and L2 cache are incorrect. Refer to the 
> attached screenshots of stats from a cluster showing the combined cache 
> stats, L1 stats and L2 stats. For e.g. the combined stats shows 38 GB used 
> for cache while if we sum size of L1 and L2 cache the value is way less. One 
> way we can improve this is to use the same stats used to populate the 
> combined stats to render the values of L1 & L2 cache. Also for usability we 
> can remove the table with details with BucketCache buckets from the L2 cache 
> stats since this is going to be long for any installation using L2 cache. 
> This will help in understanding the cache usage better. Thoughts? If there 
> are no concerns will submit a patch. 

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