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Change By:
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Thomas Dalton
(11/Apr/15 11:12 PM)
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Description:
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Take the following script as an example:
{code}
node {
def sleeps = [ : ]
for (int i = 0; i < 4; i++) {
sleeps["num_${i}"] = { sleep60() }
}
parallel(sleeps)
}
def sleep60 () {
ws {
stage name: "Sleep for 60 secs", concurrency: 1
sh "sleep 60"
}
}
{code}
Because the stages are marked with {{concurrency: 1}}
)
, I would expect the sleeps to occur in series, but with all
"
parallel
"
tasks performed. With 3, then 2, then 1 task blocked until all are complete.
Instead the first sleep runs, the second blocks on it, but the other two mysteriously "fail", and this actually results in the Job hanging indefinitely and the 2nd
job
sleep
doesn't seem to
get to
run either.
{code}
Started by user anonymous
Running: Allocate node : Start
Running on master in /mydir/jenkins/workspace/Sandbox
Running: Allocate node : Body : Start
Running: Execute sub-workflows in parallel : Start
[num_0] Running: Parallel branch: num_0
[num_1] Running: Parallel branch: num_1
[num_2] Running: Parallel branch: num_2
[num_3] Running: Parallel branch: num_3
[num_0] Running: Allocate workspace : Start
[num_0] Running in /mydir/jenkins/workspace/Sandbox-2
[num_0] Running: Allocate workspace : Body : Start
[num_1] Running: Allocate workspace : Start
[num_1] Running in /mydir/jenkins/workspace/Sandbox-3
[num_1] Running: Allocate workspace : Body : Start
[num_2] Running: Allocate workspace : Start
[num_2] Running in /mydir/jenkins/workspace/Sandbox-4
[num_2] Running: Allocate workspace : Body : Start
[num_3] Running: Allocate workspace : Start
[num_3] Running in /mydir/jenkins/workspace/Sandbox-5
[num_3] Running: Allocate workspace : Body : Start
[num_0] Running: Sleep for 60 secs
[num_0] Entering stage Sleep for 60 secs
[num_0] Proceeding
[num_0] Running: Shell Script
[num_0] [Sandbox-2] Running shell script
[num_1] Running: Sleep for 60 secs
[num_1] Entering stage Sleep for 60 secs
[num_1] Waiting for builds [7]
[num_2] Running: Sleep for 60 secs
[num_2] Entering stage Sleep for 60 secs
Running: Allocate workspace : Body : End
[num_3] Running: Sleep for 60 secs
[num_3] Entering stage Sleep for 60 secs
Running: Allocate workspace : Body : End
Running: Allocate workspace : End
Running: Allocate workspace : End
Running: Execute sub-workflows in parallel : Body : End
Running: Execute sub-workflows in parallel : Body : End
[num_0] + sleep 60
Running: Allocate workspace : Body : End
Running: Allocate workspace : End
Running: Execute sub-workflows in parallel : Body : End
{code}
I assume this is just a bug rather than my misunderstanding of the use of {{concurrency}} but I'm happy to be corrected!
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