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https://issues.apache.org/jira/browse/USERGRID-1270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15203620#comment-15203620
]
ASF GitHub Bot commented on USERGRID-1270:
------------------------------------------
Github user michaelarusso commented on the pull request:
https://github.com/apache/usergrid/pull/493#issuecomment-199080050
```
[INFO]
------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Usergrid Parent .................................... SUCCESS [
2.239 s]
[INFO] Usergrid Build Tools ............................... SUCCESS [
0.287 s]
[INFO] Usergrid Config .................................... SUCCESS [
0.106 s]
[INFO] Usergrid Persistence ............................... SUCCESS [
0.114 s]
[INFO] Usergrid Model ..................................... SUCCESS [
2.256 s]
[INFO] Usergrid Common .................................... SUCCESS [
7.812 s]
[INFO] Usergrid Collection ................................ SUCCESS [
40.156 s]
[INFO] Usergrid Map ....................................... SUCCESS [
7.291 s]
[INFO] Usergrid Queue ..................................... SUCCESS [
1.295 s]
[INFO] Usergrid Queryindex ................................ SUCCESS [
9.778 s]
[INFO] Usergrid Test Utils ................................ SUCCESS [
1.718 s]
[INFO] Usergrid Graph ..................................... SUCCESS [02:30
min]
[INFO] Usergrid Cache ..................................... SUCCESS [
4.929 s]
[INFO] Usergrid Core ...................................... SUCCESS [01:14
min]
[INFO] Usergrid Services .................................. SUCCESS [06:06
min]
[INFO] Usergrid REST ...................................... SUCCESS [06:57
min]
[INFO]
------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO]
------------------------------------------------------------------------
[INFO] Total time: 18:06 min
[INFO] Finished at: 2016-03-20T17:36:22-07:00
[INFO] Final Memory: 62M/476M
[INFO]
------------------------------------------------------------------------
```
> Enhance shard compaction to track the 'end' of a shard's valid Edges
> --------------------------------------------------------------------
>
> Key: USERGRID-1270
> URL: https://issues.apache.org/jira/browse/USERGRID-1270
> Project: Usergrid
> Issue Type: Story
> Reporter: Michael Russo
> Assignee: Michael Russo
>
> During the shard compaction process, columns (edges) are moved from a source
> shard (row) to a target shard to balance the size against the configured
> shard size in Usergrid.
> This causes tombstones to be created and can make seeks slower or potentially
> cause timeout exceptions in Astyanax if the tombstone overwhelming exception
> from Cassandra is thrown.
> Implement the ability to 'mark' a shard's last valid edge so that can be fed
> into the range scan when retrieving the row (shard).
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