Hi,

I'm seeing that most of the datastore ops are being slow lately by
about an order of magnitude slower.

Here is a set of numbers from now:

03-03 12:25PM 46.104  200 2296ms 1398ms-cpu 0kb
03-03 12:25PM 15.755  200 2025ms 1330ms-cpu 0kb
03-03 12:22PM 59.116  200 2519ms 1375ms-cpu 0kb
03-03 12:22PM 50.280  200 3550ms 1419ms-cpu 0kb
03-03 12:22PM 40.446  200 3743ms 1330ms-cpu 0kb
03-03 12:22PM 33.069  200 4966ms 1575ms-cpu 0kb
03-03 12:22PM 24.450  200 5079ms 1552ms-cpu 0kb
03-03 12:22PM 09.252  200 2525ms 1309ms-cpu 0kb
03-03 12:22PM 01.147  200 2487ms 1353ms-cpu 0kb
03-03 12:21PM 43.116  200 6286ms 1641ms-cpu 0kb
03-03 12:20PM 43.931  200 879ms 1110ms-cpu 0kb
03-03 12:10PM 23.405  200 5081ms 1575ms-cpu 0kb
03-03 12:10PM 12.014  200 5394ms 1552ms-cpu 0kb
03-03 12:10PM 00.713  200 5384ms 1552ms-cpu 0kb
03-03 12:09PM 48.420  200 3503ms 1197ms-cpu 0kb
03-03 12:09PM 45.042  200 4086ms 1486ms-cpu 0kb
03-03 12:06PM 51.240  200 126ms 115ms-cpu 0kb
03-03 12:06PM 46.039  200 3289ms 1464ms-cpu 0kb
03-03 12:06PM 38.422  200 5202ms 1464ms-cpu 0kb
03-03 12:06PM 31.616  200 4431ms 1464ms-cpu 0kb

and here is the same operation yesterday:

03-03 03:14AM 11.589 200 94ms 76ms-cpu 0kb
03-03 03:14AM 09.001 200 93ms 93ms-cpu 0kb
03-03 03:14AM 07.035 200 130ms 100ms-cpu 0kb
03-03 03:14AM 04.682 200 89ms 78ms-cpu 0kb
03-03 03:13AM 59.604 200 865ms 1087ms-cpu 0kb
03-03 03:12AM 34.688 200 93ms 79ms-cpu 0kb
03-03 03:12AM 31.917 200 85ms 75ms-cpu 0kb
03-03 03:12AM 29.498 200 107ms 97ms-cpu 0kb
03-03 03:12AM 28.233 200 104ms 88ms-cpu 0kb
03-03 03:11AM 39.239 200 124ms 96ms-cpu 0kb
03-03 03:11AM 16.987 200 131ms 129ms-cpu 0kb
03-03 03:11AM 12.991 200 1601ms 1087ms-cpu 0kb
03-03 03:10AM 28.677 200 107ms 96ms-cpu 0kb
03-03 03:10AM 19.079 200 127ms 152ms-cpu 0kb
03-03 03:09AM 57.002 200 142ms 116ms-cpu 0kb

The operation is performed in the same conditions and the data set is
the equivalent in size.

The appid is dailycloud. I'm looking forward to hearing the reasons
for this degradation of the datastore performance.

./alex
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