ASF GitHub Bot commented on CARBONDATA-241:

Github user kumarvishal09 commented on a diff in the pull request:

    --- Diff: 
    @@ -20,20 +20,13 @@ package org.apache.spark.sql
     import java.text.SimpleDateFormat
     import java.util.Date
    -import org.apache.carbondata.core.carbon.AbsoluteTableIdentifier
    --- End diff --

> OOM error during query execution in long run
> --------------------------------------------
>                 Key: CARBONDATA-241
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-241
>             Project: CarbonData
>          Issue Type: Bug
>            Reporter: kumar vishal
>            Assignee: kumar vishal
> **Problem:** During long run query execution is taking more time and it is 
> throwing out of memory issue.
> **Reason**: In compaction we are compacting segments and each segment 
> metadata is loaded in memory. So after compaction compacted segments are 
> invalid but its meta data is not removed from memory because of this 
> duplicate metadata is pile up and it is taking more memory and after few days 
> query exeution is throwing OOM
> **Solution**: Need to remove invalid blocks from memory

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