448
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Ran 17 Jul 2019 12:16PM UTC

Jobs 4

Files 32

Run time 4min

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Build # 448

Build Type

push

travis-ci

Committed by

dmagliola

Commit Message

Avoid revalidating labelset keys on each metric observation

When declaring a metric, we declare what label keys will be used for it.
At that point, we validate that those are all valid keys (symbols,
match a given regex, etc).

Then, on each observation of the metric, we validate that the keys passed
in for the labels match the ones we were originally expecting, to make
sure all of those labels were set, but no others.

We were also, at that point, validating that the keys passed in are valid.
This validation is pretty slow, and it's redundant, since keys that aren't
valid won't match the expected ones anyway, so we can just compare just
that those match. This has quite a pronounced effect on performance.

Signed-off-by: Daniel Magliola <danielmagliola@gocardless.com>

Run Details

1410 of 1410 relevant lines covered (100.0%)

42.47 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	448.1 (2.3.8)	17 Jul 2019 12:16PM UTC	32	100.0	Travis Job 448.1
2	448.2 (2.4.5)	17 Jul 2019 12:16PM UTC	32	100.0	Travis Job 448.2
3	448.3 (2.5.3)	17 Jul 2019 12:16PM UTC	32	100.0	Travis Job 448.3
5	448.5 (jruby-9.1.5.0)	17 Jul 2019 12:20PM UTC	32	0.0	Travis Job 448.5

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