On 2017-05-31 16:20, Erik Rijkers wrote:
> On 2017-05-31 11:16, Petr Jelinek wrote:
> [...]
>> Thanks to Mark's offer I was able to study the issue as it happened
>> and
>> found the cause of this.
>>
>> [0001-Improve-handover-logic-between-sync-and-apply-worker.patch]
>
> This looks good:
>
> -- out_20170531_1141.txt
> 100 -- pgbench -c 90 -j 8 -T 60 -P 12 -n -- scale 25
> 100 -- All is well.
>
> So this is 100x a 1-minute test with 100x success. (This on the most
> fastidious machine (slow disks, meagre specs) that used to give 15%
> failures)
[Improve-handover-logic-between-sync-and-apply-worker-v2.patch]
No errors after (several days of) running variants of this. (2500x 1
minute runs; 12x 1-hour runs)
>
> Thanks!
>
> Erik Rijkers