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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CARBONDATA-241) OOM error during query execution in long run
Date Fri, 16 Sep 2016 05:53:20 GMT

    [ https://issues.apache.org/jira/browse/CARBONDATA-241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15495467#comment-15495467
] 

ASF GitHub Bot commented on CARBONDATA-241:
-------------------------------------------

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

    https://github.com/apache/incubator-carbondata/pull/158#discussion_r79109942
  
    --- Diff: processing/src/main/java/org/apache/carbondata/lcm/status/SegmentStatusManager.java
---
    @@ -102,6 +91,60 @@ public long getTableStatusLastModifiedTime() throws IOException {
     
       /**
        * get valid segment for given table
    +   *
    +   * @return
    +   * @throws IOException
    +   */
    +  public InvalidSegmentsInfo getInvalidSegments() throws IOException {
    --- End diff --
    
    ok i will handle 


> 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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