[GitHub] [hbase] bharathv commented on pull request #3371: HBASE-25984: Avoid premature reuse of sync futures in FSHLog [DRAFT]

[GitBox]

bharathv commented on pull request #3371:
URL: https://github.com/apache/hbase/pull/3371#issuecomment-858901557


   Flame graph without any changes.. overall it seems like we have 1.xx% 
overhead due to the cache and guava seems slightly better than Caffeine. cc: 
@saintstack / @apurtell 
   
   **Without Changes**
   
   
![image](https://user-images.githubusercontent.com/248754/121580308-71dc0000-c9e1-11eb-8dd8-bbb626d7425c.png)
   


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