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https://issues.apache.org/jira/browse/SPARK-7642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiangrui Meng updated SPARK-7642:
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Attachment: 1.4 data distribution.png
1.3 data distribution.png
Attached the storage tab of a same RDD in 1.3 and 1.4.
> Missing 1 worker on standalone clusters.
> ----------------------------------------
>
> Key: SPARK-7642
> URL: https://issues.apache.org/jira/browse/SPARK-7642
> Project: Spark
> Issue Type: Bug
> Components: Deploy, Spark Core
> Affects Versions: 1.4.0
> Reporter: Xiangrui Meng
> Priority: Blocker
> Attachments: 1.3 data distribution.png, 1.4 data distribution.png
>
>
> Saw this weird issue during performance test. I have a 16-node (plus 1
> master) standalone cluster on EC2. I saw 16 works on the master page (:8080).
> When I run a job, in the executor tab I saw 17 executors (including the
> driver) in 1.3. However, this number becomes 16 (also including the driver)
> in 1.4. So one worker is missing from the cluster in 1.4.
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