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In-memory content cache decreases performance on YCSB workloadc #94

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losfair opened this issue Oct 21, 2022 · 0 comments
Open

In-memory content cache decreases performance on YCSB workloadc #94

losfair opened this issue Oct 21, 2022 · 0 comments
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@losfair
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losfair commented Oct 21, 2022 •
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Related: #92

It is strange that enabling content cache causes performance decrease over time: (this is with a hot cache that has almost all pages)

READ   - Takes(s): 10.0, Count: 103349, OPS: 10344.3, Avg(us): 6159, Min(us): 1108, Max(us): 51167, 99th(us): 11775, 99.9th(us): 48703, 99.99th(us): 50719
...
READ   - Takes(s): 160.0, Count: 1057188, OPS: 6607.8, Avg(us): 9661, Min(us): 797, Max(us): 55519, 99th(us): 50719, 99.9th(us): 53823, 99.99th(us): 55199

while on the same cluster, with content cache disabled:

READ   - Takes(s): 190.0, Count: 1730079, OPS: 9106.2, Avg(us): 7006, Min(us): 809, Max(us): 51423, 99th(us): 12815, 99.9th(us): 47007, 99.99th(us): 50847
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