Jenkins is slow at fisrt connection

ycollet

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Oct 14, 2016, 2:27:27 AM10/14/16

to Jenkins Users

Hello,

I noticed that for some times now, jenkins is quite slow on first connection. After the first connection, jenkins is quick to react.
I was looking in the logs of jenkins and I noticed this:

Infos: Started Gravatar periodic lookup
oct. 14, 2016 8:23:56 AM hudson.model.AsyncPeriodicWork$1 run
Infos: Finished Gravatar periodic lookup. 29 271 ms

I will try to remove the plugin related to gravatar and see what happens.

Yann

ycollet

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Oct 14, 2016, 3:24:50 AM10/14/16

to Jenkins Users

Still slow without gravatar plugin ...

Baptiste Mathus

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Oct 16, 2016, 2:08:15 AM10/16/16

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How long is the slowness?

During the sluggishness, do a thread dump though jstack every, say, ~15 seconds, then put an archive with those somewhere and post the link here. Hopefully someone will have a look.

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