GitHub user manishgupta88 opened a pull request:
https://github.com/apache/carbondata/pull/2613
[HOTFIX] Modified code to fix the degrade in compaction performance
Problem
Compaction performance for 3.5 billion degraded by 16-20%
Analysis:
Code modification in RawResultIerator.java has caused the problem wherein
few extra checks are performed as compared to previous code
Fix
Revert the changes in RawResultIerator class
- [ ] Any interfaces changed?
No
- [ ] Any backward compatibility impacted?
NA
- [ ] Document update required?
No
- [ ] Testing done
Verified in cluster testing
- [ ] For large changes, please consider breaking it into sub-tasks under
an umbrella JIRA.
NA
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/manishgupta88/carbondata revert_pr_2133
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/2613.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2613
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commit 1481759abb7e8728bca95a557ce610f6116a2652
Author: m00258959 <manish.gupta@...>
Date: 2018-08-07T05:24:16Z
Problem
Compaction performance for 3.5 billion degraded by 16-20%
Analysis:
Code modification in RawResultIerator.java has caused the problem wherein
few extra checks are performed as compared to previous code
Fix
Revert the changes in RawResultIerator class
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