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https://issues.apache.org/jira/browse/HBASE-21666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16783842#comment-16783842
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Tak Lon (Stephen) Wu commented on HBASE-21666:
----------------------------------------------
attached patch for discussion, and only limit the scope to
{{TestExportSnapshot}} but not other test classes which uses
{{HBaseTestingUtility#startMiniMapReduceCluster}}.
The reason I chose 512 MB obtained from a successful run of
{{TestExportSnapshot}} and found ~420MB used for miniMRcluster for mainly local
directory ({{local-dirs}}) for MR job submission.
{code:java}
f45c89a57f29:MiniMRCluster_377488670 wutaklon$ du -h -d1 .
34M ./MiniMRCluster_377488670-localDir-nm-0_0
62M ./MiniMRCluster_377488670-localDir-nm-0_1
79M ./MiniMRCluster_377488670-localDir-nm-0_2
36M ./MiniMRCluster_377488670-localDir-nm-0_3
58M ./MiniMRCluster_377488670-localDir-nm-1_0
37M ./MiniMRCluster_377488670-localDir-nm-1_1
56M ./MiniMRCluster_377488670-localDir-nm-1_2
59M ./MiniMRCluster_377488670-localDir-nm-1_3
60K ./MiniMRCluster_377488670-logDir-nm-0_0
8.0K ./MiniMRCluster_377488670-logDir-nm-0_1
80K ./MiniMRCluster_377488670-logDir-nm-0_2
8.0K ./MiniMRCluster_377488670-logDir-nm-0_3
0B ./MiniMRCluster_377488670-logDir-nm-1_0
88K ./MiniMRCluster_377488670-logDir-nm-1_1
88K ./MiniMRCluster_377488670-logDir-nm-1_2
48K ./MiniMRCluster_377488670-logDir-nm-1_3
420M .
{code}
> Break up the TestExportSnapshot UTs; they can timeout
> -----------------------------------------------------
>
> Key: HBASE-21666
> URL: https://issues.apache.org/jira/browse/HBASE-21666
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: stack
> Assignee: Tak Lon (Stephen) Wu
> Priority: Major
> Labels: beginner
> Attachments: HBASE-21666.master.001.patch
>
>
> These timed out for [~Apache9] when he ran with the -PrunAllTests. Suggests
> breaking them up into smaller tests so less likely they'll timeout.
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