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Posted to dev@tephra.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2017/03/01 23:51:45 UTC
[jira] [Commented] (TEPHRA-227) DebugTool - show regions that have
not yet recorded prune upper bound
[ https://issues.apache.org/jira/browse/TEPHRA-227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15891325#comment-15891325 ]
ASF GitHub Bot commented on TEPHRA-227:
---------------------------------------
GitHub user gokulavasan opened a pull request:
https://github.com/apache/incubator-tephra/pull/40
TEPHRA-227 Add a new command to get the set of regions that have not been compacted
Also adding a CLI command.
JIRA : https://issues.apache.org/jira/browse/TEPHRA-227
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/gokulavasan/incubator-tephra fix/tephra-227
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-tephra/pull/40.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 #40
----
commit c2b76408facb5d9b8169876c7830ec08759da455
Author: Gokul Gunasekaran <go...@cask.co>
Date: 2017-03-01T22:54:40Z
(TEPHRA-227) Add new command to get the set of regions that have not been compacted
commit 7111ce76e19ed1be012e5a5d7f11b30e8dc757c2
Author: Gokul Gunasekaran <go...@cask.co>
Date: 2017-03-01T23:49:26Z
Adding CLI command for the new getRegionsToBeCompacted method
----
> DebugTool - show regions that have not yet recorded prune upper bound
> ----------------------------------------------------------------------
>
> Key: TEPHRA-227
> URL: https://issues.apache.org/jira/browse/TEPHRA-227
> Project: Tephra
> Issue Type: Improvement
> Affects Versions: 0.11.0-incubating
> Reporter: Gokul Gunasekaran
> Assignee: Poorna Chandra
> Fix For: 0.11.0-incubating
>
>
> i) getIdleRegions (numRegions) --> since this method returns all the regions that have ever existed, this is not very useful since some regions might not be existing anymore. So, we need to intersect the idleregions with the latest TimeRegion regions.
> ii) add a new method - getRegionsToBeFlushed ( ) --> that returns the regions that are part of the latest TimeRegion but don't have any prune upper bound recorded and or not empty either.
> So during debugging of prune progress, first we can hit the second method and get the regions to be flushed/compacted (since any regions that have not compacted/pruned will prevent pruning from progression). After that list is empty, we will hit the first endpoint to find what regions are lagging, pruning/compacting them will help advance pruning.
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