On 29/07/16 03:29 PM, gordon chung wrote:
i'm using Ceph. but i should mention i also only have 1 thread enabled because python+threading is... yeah. i'll give it a try again with threads enabled. I tried this again with 16 threads. as expected, python (2.7.x) threads do jack all. i also tried lowering the points per object to 900 (~8KB max). this performed ~4% worse for read/writes. i should probably add a disclaimer that i'm batching 75K points/metric at once which is probably not normal. so from very rough testing, we can choose to lower it to 3600points which offers better split opportunities with negligible improvement/degradation, or even more to 900points with potentially small write degradation (massive batching). -- gord
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