Merging since Rebecca's reply lost the thread:
>From memory, my runs would also get somewhere over #100, but I'll confirm next week.
\Rob
On 03/07/2018 09:01 AM, Sitsofe Wheeler wrote:
Thanks for following up.
Do you happen to know how far it would get on runs where it went on to
hang? Would it be it in the middle of a job or was it still doing
setup or varied? Would it take hours to happen?
I saw hangs at job 130 and 134.
--
Rebecca
On 07/03/2018, 18:01, "Sitsofe Wheeler" <sitsofe@xxxxxxxxx> wrote:
Thanks for following up.
Do you happen to know how far it would get on runs where it went on to
hang? Would it be it in the middle of a job or was it still doing
setup or varied? Would it take hours to happen?
On 7 March 2018 at 15:39, Rob Scheepens <rob.scheepens@xxxxxxxxxxx> wrote:
> Adding to David's comments: my success percentage was roughly 30%. Most of the time, 2 out of 3 runs would hang.
>
> Thanks for your involvement here Sitsofe.
>
> \Rob
>
>
> On 07/03/2018, 17:33, "David Knierim" <knierim@xxxxxxxxxxx> wrote:
>
> Sitsofe,
> Thanks for your interest in resolving this issue. I no longer have a system to dig into this issue at the moment, but I will attempt to get back to this issue soon.
> That being said, I like your questions and I am happy to answer them:
>
> > can you check whether fio 3.5 also reproduces the problem?
> When I get a system to run on, I will attempt to reproduce the issue with fio 3.5.
>
> Yes, the example fio command line examples you showed are indeed what the script is supposed to be doing.
>
> If it helps, I also have a bash script which generates the same fio commands as the python script which also reproduces the issue.
>
> I have not attempted to reproduce the issue with files or less raw disks. I can see your desire for a simplified reproducer. When I get back to this issue, I will see what I can come up with. I am sure something simpler will reproduce the issue, but I have not spent the time to find something simpler that works. I will explore number of disks/files, numjobs and also determine if the working set makes any difference.
>
> In my experience, the python script never completed when run on Windows. Rob had better luck than I did and the script ran to completion for him several times, but it also showed the failure multiple times as well, but I don't remember what the pass percentage was for him.
>
> When I run the same python or bash script on Linux (just updating the path to the raw disks and the ioengine), it runs 100% reliably.
--
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