On 05/06/17 00:04, Erik Rijkers wrote:
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)
Same here, no errors with the v2 patch applied (approx 2 days - all 1
minute runs)
regards
Mark
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