Jenkins slave slower than jenkins master

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I have a Jenkins master x which is also the slave of Jenkins master Y. A job that runs in 15 mins on Jenkins master x, takes one hour to complete on Jenkins slave x. Why is this happening?

Jul 19, 2018 in Jenkins by Nilesh
• 6,880 points
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1 answer to this question.

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There's many possible reasons for that:

  • different workspace locations (local vs. network storage)
  • massive slave/master communication for "Slave x" case, e.g. caused by
    • lots of console output
    • storing huge amounts of artifact data (will pass from slave via master to storage)
  • different JVM settings for Slave x and Master x

Otherwise, you will need to monitor in detail.

Once you monitor in detail you might figure out that sending data from slave to master might be an issue.

Just check it out.

answered Jul 19, 2018 by Kalgi
• 2,620 points

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