matrix-org/dendrite

Move to zerolog

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#1 468 ouverte le 2 oct. 2020

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T-TaskX-Performancegood first issue

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Description

We should move to use https://github.com/uber-go/zap or https://github.com/rs/zerolog instead of logrus because logrus does a loooooot of allocations, far more than the rest of Dendrite. I'd propose we use the sugared one since we're not looking for any specific improvement other than "why is logging consuming so much time/allocs". In terms of numbers:

  • logrus 29501 ns/op
  • zap 1250 ns/op (~24x speedup)

Allocations:

  • logrus 125 allocs/op
  • zap 11 allocs/op

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