executor starvation on idle machine?

[K Richard Pixley]

Hey. I'm a newbie jenkins admin with a problem.

I currently have 4 jobs in my queue all starving with "waiting for an
executor". I'm only using the master as executor. I've configured it
for 7 executors and "use this node as much as possible" and nothing is
running on any of them. All idle.

What's going on? and more importantly, how can I jostle it loose so my
jobs start executing again?

--rich

[Lam Le]

Let's see if we can debug this.

1. Does it currently run any job regardless of how many executor you have.

2. Is the slave nodes config and running correctly

3. You can restart your jenkins by this:: <jenkinsserver>:8080/restart

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Lam Le | QA Manager

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[K Richard Pixley]

On 20150114 15:10, Lam Le wrote:
> Let's see if we can debug this.
> 1. Does it currently run any job regardless of how many executor you have.

Yes, some get through. I haven't recognized a pattern as to which get
through and which get stuck.

I also get confused about the circumstances under which jenkins drops
it's build queue on the floor. That seems to happen after a power cycle
of the server, at least.

> 2. Is the slave nodes config and running correctly

No slaves. Just the master.

> 3. You can restart your jenkins by this:: <jenkinsserver>:8080/restart

I just checked and saw two jobs stuck in the build queue. Both waiting
for 15min. First was starving, (had the clock icon). The second
didn't, but wasn't running either.

After reset, the second seems to be running, but the first has disappeared.

--rich

[Lam Le]

Can you attached a few picture of the issues? 

[K Richard Pixley]

Yes, I can.

In this set, the "yum update" blue ball is flashing, mouse tip says, "in
progress". Gsi.iso "build" button is flashing, mouse tip says,
"Schedule a build". A page reload cleared the flashing.

Note that all executors appear idle.

--rich