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https://issues.apache.org/jira/browse/CARBONDATA-2039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ravindra Pesala resolved CARBONDATA-2039.
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Resolution: Fixed
Fix Version/s: 1.3.0
> Add relative blocklet id during initialization in the blocklet data map
> -----------------------------------------------------------------------
>
> Key: CARBONDATA-2039
> URL: https://issues.apache.org/jira/browse/CARBONDATA-2039
> Project: CarbonData
> Issue Type: Bug
> Reporter: Manish Gupta
> Assignee: Manish Gupta
> Priority: Minor
> Fix For: 1.3.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> h5. Add relative blocklet id during initialization in the blocklet data map.
> Problem
> Currently while loading the blocklets in data map all the blocklets are
> stored in the unsafe manager on array indexes for all the blocklets in one
> segment. So lets say if 1 segment has 7 task and each task has 10 part files
> with 3 blocklets each, total number of blocklets in the segment would be 210.
> Unsafe store will store all these blocklets in one array with start index as
> 0 and end index as 210.
> Due to this while filling the blocklet information the blocklet id taken is
> the array index which can be any number from 0 to 210. This is leading to
> loss in actual mapping of blocklet with respect to carbondata file.
>
> Solution
> Add the relative blocklet id during loading of blocklets in the unsafe store
> (relative blocklet id is the id of blocklet in the carbondata file)
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