logger performance warning #243
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missinglink
commented
Mar 12, 2020
| const street = require('../api/street'); | ||
| const near = require('../api/near'); | ||
| const pretty = require('../lib/pretty'); | ||
| const analyze = require('../lib/analyze'); |
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I just cleaned these up:
- make them
const - remove unused
require()
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Since this is true everwhere, should we consider putting the warning somewhere in our general documentation? I'd rather we didn't add code to print this warning, especially in one of the (currently) least performance sensitive Pelias services. |
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Usage of the
infoordebuglevel logging whenstdoutis aTTYresults in a ~25% performance hit.This PR simply adds a warning so developers are aware.
stdout is a TTY iteration_duration.........: avg=71.83ms min=15.43ms med=70.58ms max=135.37ms p(90)=86.29ms p(95)=92.87ms iterations.................: 10000 1388.112538/s stdout is /dev/null iteration_duration.........: avg=55.19ms min=23.44ms med=54.81ms max=81.28ms p(90)=62.97ms p(95)=65.49ms iterations.................: 10000 1806.935143/s