| 1 | import { exponentialBuckets } from 'prom-client';
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| 2 |
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| 3 | // from 4 ms up to ~65 seconds, sqrt2 factor
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| 4 | // allows specification via env-var as comma-separated values
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| 5 | export const latencyBuckets =
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| 6 | process.env['NODE_METRICS_GATHERER_LATENCY_BUCKETS']
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| 7 | ?.split(',')
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| 8 | .map(s => parseInt(s, 10)) ??
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| 9 | exponentialBuckets(0.004, Math.SQRT2, 29).map(Math.round);
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| 10 |
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| 11 | // from 256 bytes up to 4GB, sqrt2 factor
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| 12 | // allows specification via env-var as comma-separated values
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| 13 | export const bytesRWBuckets =
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| 14 | process.env['NODE_METRICS_GATHERER_BYTES_RW_BUCKETS']
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| 15 | ?.split(',')
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| 16 | .map(s => parseInt(s, 10)) ??
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| 17 | exponentialBuckets(256, Math.SQRT2, 49).map(Math.round);
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