I think you are referring to so-called flyweight executor tasks. For
example, the parent task of a multi-configuration project. Because such
tasks typically don't require many system resources, they do not occupy
an executor. I have seen cases on our Jenkins installation where the
flyweight tasks did seem to cause other jobs to queue up, even though
they should not. We worked around it by creating a couple of Linux
agents/slaves with multiple executors and tying all the parent jobs to
those agents (requires the Matrix Tie Parent
<http://wiki.hudson-ci.org/display/HUDSON/Matrix+Tie+Parent+Plugin> plugin).
On 2/1/2017 12:28 PM, John Bobinyec wrote:
The apparent interference might have been due to other things.
But does no one else have ghosts?
jb
On Thursday, January 26, 2017 at 3:27:12 PM UTC-5, John Bobinyec wrote:
We have a pool of slaves. When a job is dispatched to one of them
it is assigned to an executor on that machine. Oftentimes there is
a very similar job running on another machine but it's not
assigned to an executor. I call these ghosts. What do they do?
How are they dispatched? It seems like they interfere with the
jobs which are supposed to be running on that machine, because
real jobs which are destined for that machine get queued up.
Thanks,
jb
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