[GitHub] carbondata pull request #2391: [CARBONDATA-2625] Optimize the performance of...

[jackylk]

Github user jackylk commented on a diff in the pull request:

    https://github.com/apache/carbondata/pull/2391#discussion_r199316375
  
    --- Diff: 
core/src/main/java/org/apache/carbondata/core/indexstore/BlockletDataMapIndexStore.java
 ---
    @@ -49,6 +50,7 @@
        */
       protected CarbonLRUCache lruCache;
     
    +  Map<String, Map<String, BlockMetaInfo>> segInfoCache;
    --- End diff --
    
    What is this used for?


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