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From Grega Kešpret <>
Subject Worker hangs with 100% CPU in Standalone cluster
Date Mon, 06 Jan 2014 16:44:58 GMT

we are seeing several times a day one worker in a Standalone cluster hang
up with 100% CPU at the last task and doesn't proceed. After we restart the
job, it completes successfully.

We are using Spark v0.8.1-incubating.

Attached please find jstack logs of Worker and CoarseGrainedExecutorBackend
JVM processes.

[image: Inline image 1]
*Grega Kešpret*
Analytics engineer

Celtra — Rich Media Mobile Advertising <> |

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