@Daniel It is happening with fresh installations (pulplift with libvirt) on both boxes i have tried (pulp3-source-debian10 and pulp3-source-fedora30). To test, i run `prestart; django-admin test pulpcore` multiple times until it hangs (though i have seen it hang on the first try). There is no modification that i know of. Also, up until now, i seem to be able to reproduce reliably, while downgrading (pinning) redis-py completely solves the issue.
On Tue, 21 Jan 2020 09:16:43 -0500 Daniel Alley <dal...@redhat.com> wrote: > @Matthias Dellweg <dell...@atix.de> > did you restart Pulp after upgrading redis-py? Are you seeing this on > fresh boxes, or does it require some modification to reproduce? I > don't think any of us have experienced this thus far. > > The only thing I can think of is that maybe when the worker process > forks it ends up using a different version of redis-py than the > parent worker. > > On Tue, Jan 21, 2020 at 4:49 AM Matthias Dellweg <dell...@atix.de> > wrote: > > > [@ Brian: > > > > https://github.com/pulp/pulpcore/commit/e36e7b5f0eccc176a6e6298df29293b014f4710c > > ] > > > > Hi Daniel, > > thank you for looking into this. > > What i am seeing is: > > > > Jan 21 09:23:10 pulp3-source-fedora30.anubis.example.com > > gunicorn[23274]: 127.0.0.1 - admin [21/Jan/2020:09:23:10 +0000] > > "PATCH > > /pulp/api/v3/repositories/file/file/3a31ed13-585d-4a36-8398-7df40560ffa4/ > > HTTP/1.1" 202 67 "-" "python-requests/2.22.0" Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: pulp: > > rq.worker:INFO: 23...@pulp3-source-fedora30.anubis.example.com: > > 3a776d4d-ff0c-4b44-afae-08dc7c6cc415 Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23270]: pulp: > > rq.worker:INFO: resource-manager: Job OK > > (aa22aed0-0363-45ae-8254-4ab14893a4a1) Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: pulp: > > rq.worker:ERROR: Worker > > rq:worker:23...@pulp3-source-fedora30.anubis.example.com: found an > > unhandled exception, quitting... Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: Traceback (most > > recent call last): Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: File > > "/usr/local/lib/pulp/lib64/python3.7/site-packages/rq/worker.py", > > line 782, in prepare_job_execution Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: > > pipeline.execute() Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: File > > "/usr/local/lib/pulp/lib64/python3.7/site-packages/redis/client.py", > > line 3707, in execute Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: > > self.reset() Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: File > > "/usr/local/lib/pulp/lib64/python3.7/site-packages/redis/client.py", > > line 3476, in reset Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: > > self.connection_pool.release(self.connection) Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: File > > "/usr/local/lib/pulp/lib64/python3.7/site-packages/redis/connection.py", > > line 1114, in release Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: > > self._in_use_connections.remove(connection) Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: KeyError: > > Connection<host=localhost,port=6379,db=0> Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: During handling > > of the above exception, another exception occurred: Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: Traceback (most > > recent call last): Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: File > > "/usr/local/lib/pulp/lib64/python3.7/site-packages/rq/worker.py", > > line 515, in work Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: > > self.execute_job(job, queue) Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: File > > "/home/vagrant/devel/pulpcore/pulpcore/tasking/worker.py", line 72, > > in execute_job Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: > > super().execute_job(*args, **kwargs) Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: File > > "/usr/local/lib/pulp/lib64/python3.7/site-packages/rq/worker.py", > > line 727, in execute_job Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: > > self.fork_work_horse(job, queue) Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: File > > "/usr/local/lib/pulp/lib64/python3.7/site-packages/rq/worker.py", > > line 667, in fork_work_horse Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: > > self.main_work_horse(job, queue) Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: File > > "/usr/local/lib/pulp/lib64/python3.7/site-packages/rq/worker.py", > > line 744, in main_work_horse Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: raise e Jan > > 21 09:23:10 pulp3-source-fedora30.anubis.example.com rq[23269]: > > File > > "/usr/local/lib/pulp/lib64/python3.7/site-packages/rq/worker.py", > > line 741, in main_work_horse Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: > > self.perform_job(job, queue) Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: File > > "/home/vagrant/devel/pulpcore/pulpcore/tasking/worker.py", line > > 103, in perform_job Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: return > > super().perform_job(job, queue) Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: File > > "/usr/local/lib/pulp/lib64/python3.7/site-packages/rq/worker.py", > > line 866, in perform_job Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: > > self.prepare_job_execution(job, heartbeat_ttl) Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: File > > "/usr/local/lib/pulp/lib64/python3.7/site-packages/rq/worker.py", > > line 782, in prepare_job_execution Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: > > pipeline.execute() Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: File > > "/usr/local/lib/pulp/lib64/python3.7/site-packages/redis/client.py", > > line 3445, in __exit__ Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: > > self.reset() Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: File > > "/usr/local/lib/pulp/lib64/python3.7/site-packages/redis/client.py", > > line 3476, in reset Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: > > self.connection_pool.release(self.connection) Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: File > > "/usr/local/lib/pulp/lib64/python3.7/site-packages/redis/connection.py", > > line 1114, in release Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: > > self._in_use_connections.remove(connection) Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com rq[23269]: KeyError: > > Connection<host=localhost,port=6379,db=0> Jan 21 09:23:10 > > pulp3-source-fedora30.anubis.example.com gunicorn[23274]: 127.0.0.1 > > - admin [21/Jan/2020:09:23:10 +0000] "GET > > /pulp/api/v3/tasks/3a776d4d-ff0c-4b44-afae-08dc7c6cc415/ HTTP/1.1" > > 200 477 "-" "python-requests/2.22.0" > > > > and that last line repeats forever. > > > > On Fri, 17 Jan 2020 09:09:01 -0500 > > Daniel Alley <dal...@redhat.com> wrote: > > > > > Different issue perhaps? Are you seeing anything in the logs that > > > looks like this? https://github.com/rq/rq/issues/1044 > > > > > > On Fri, Jan 17, 2020 at 9:06 AM Daniel Alley <dal...@redhat.com> > > > wrote: > > > > > > > Strange, I'm pretty sure an issue like this is why we pinned > > > > originally, but upstream said that that particular issue was > > > > (supposedly) fixed. > > > > > > > > > > https://github.com/andymccurdy/redis-py/issues/1136#issuecomment-571168161 > > > > > > > > > > On Fri, Jan 17, 2020 at 4:15 AM Matthias Dellweg > > > > <dell...@atix.de> wrote: > > > >> Hello all, > > > >> I believe i have found a new incarnation of hanging tasks > > > >> (tm). This time it is pulp3 and as hard to nail down as ever. > > > >> I think, it is introduced by > > > >> e36e7b5f0eccc176a6e6298df29293b014f4710c. Where the dependency > > > >> on redis was dropped with the result that 3.3.smth instead of > > > >> 3.1.smth was installed. > > > >> > > > >> Before filing an issue, is there anyone out there to share that > > > >> experience? > > > >> > > > >> Also as a thought protocol of how to reproduce: > > > >> I have seen tasks hanging in both "waiting" and "running" state > > > >> when using the command `prestart; django-admin test pulp_deb` > > > >> or `<...> test pulpcore`. All the tasks I have seen were > > > >> `sync`, `general_create` or `general_delete` and looked like > > > >> they never started to do anything for real. To have consistent > > > >> results, i had the impression that i needed to rebuild the > > > >> vagrant boxes for every bisecting step. Also updating the > > > >> python-redis package on a box that worked, produced a hanging > > > >> task in the next run. > > > >> > > > >> Have a good day, > > > >> Matthias
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