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cmd/go: gather cache age and reuse distribution statistics #22990

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rsc opened this issue Dec 4, 2017 · 32 comments
Closed

cmd/go: gather cache age and reuse distribution statistics #22990

rsc opened this issue Dec 4, 2017 · 32 comments
Labels
FrozenDueToAge
Milestone
Unreleased

Comments

@rsc
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rsc commented Dec 4, 2017 •
edited
Loading

We'd like to get a sense of how long typical cache entries hang around and are still useful to reuse, so we can decide what the expiration policy is. If you've been running go at master for the past month, please run:

go get -u rsc.io/gocachelogstat
gocachelogstat

and then paste the output in a comment below.
@rsc rsc added this to the Unreleased milestone Dec 4, 2017
@rsc
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rsc commented Dec 4, 2017 

cache age: 32.73 days
action cache: 1964886 bytes, 1171632 reused
	reuse time percentiles
	10% 0.00 days
	20% 0.00 days
	30% 0.00 days
	40% 0.01 days
	50% 0.02 days
	60% 0.05 days
	70% 0.08 days
	80% 0.27 days
	90% 0.57 days
	95% 2.16 days
	99% 2.20 days
	99.9% 2.21 days
	max 4.99 days
data cache: 1629193459 bytes, 876223874 reused
	reuse time percentiles
	10% 0.00 days
	20% 0.00 days
	30% 0.00 days
	40% 0.02 days
	50% 0.05 days
	60% 0.18 days
	70% 0.33 days
	80% 2.16 days
	90% 11.86 days
	95% 23.25 days
	99% 23.97 days
	99.9% 23.99 days
	max 31.93 days

@aclements
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cache age: 26.73 days
action cache: 833910 bytes, 356818 reused
	reuse time percentiles
	10% 0.00 days
	20% 0.00 days
	30% 0.00 days
	40% 0.00 days
	50% 0.00 days
	60% 0.00 days
	70% 0.00 days
	80% 0.01 days
	90% 0.05 days
	95% 0.15 days
	99% 1.49 days
	99.9% 1.50 days
	max 1.50 days
data cache: 1093251353 bytes, 406148966 reused
	reuse time percentiles
	10% 0.00 days
	20% 0.00 days
	30% 0.00 days
	40% 0.00 days
	50% 0.00 days
	60% 0.05 days
	70% 1.22 days
	80% 5.23 days
	90% 6.17 days
	95% 8.86 days
	99% 18.98 days
	99.9% 18.98 days
	max 18.98 days

@bradfitz
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bradfitz commented Dec 4, 2017 

cache age: 20.92 days
action cache: 1284668 bytes, 585662 reused
        reuse time percentiles
        10% 0.00 days
        20% 0.00 days
        30% 0.02 days
        40% 0.04 days
        50% 0.09 days
        60% 0.16 days
        70% 0.88 days
        80% 1.50 days
        90% 2.41 days
        95% 3.90 days
        99% 6.14 days
        99.9% 6.27 days
        max 6.32 days
data cache: 1138671862 bytes, 523494735 reused
        reuse time percentiles
        10% 0.00 days
        20% 0.03 days
        30% 0.15 days
        40% 1.01 days
        50% 2.18 days
        60% 3.29 days
        70% 4.19 days
        80% 13.88 days
        90% 14.17 days
        95% 15.84 days
        99% 17.35 days
        99.9% 17.83 days
        max 20.87 days

@cespare
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cespare commented Dec 4, 2017

What's the command that generates these reports?

@dsnet
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dsnet commented Dec 4, 2017 

cache age: 25.93 days
action cache: 132440 bytes, 49280 reused
	reuse time percentiles
	10% 0.00 days
	20% 0.00 days
	30% 0.00 days
	40% 0.01 days
	50% 0.01 days
	60% 0.02 days
	70% 0.03 days
	80% 0.03 days
	90% 0.04 days
	95% 0.04 days
	99% 0.04 days
	99.9% 0.04 days
	max 0.04 days
data cache: 101709358 bytes, 36986860 reused
	reuse time percentiles
	10% 0.00 days
	20% 0.01 days
	30% 0.01 days
	40% 0.02 days
	50% 0.03 days
	60% 0.04 days
	70% 2.04 days
	80% 2.08 days
	90% 2.08 days
	95% 17.10 days
	99% 20.08 days
	99.9% 20.09 days
	max 20.09 days

@RLH
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RLH commented Dec 4, 2017

Not working at tip so I'm getting this.
rlh@rlh:/work/go/src$ go get -u rsc.io/gocachelogstat
rlh@rlh:/work/go/src$ gocachelogstat
gocachelogstat:go env GOCACHE: no output (old Go version?)
rlh@rlh:~/work/go/src$

@OneOfOne
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OneOfOne commented Dec 4, 2017 •
edited
Loading 

cache age: 28.05 days
action cache: 1420804 bytes, 200970 reused
        reuse time percentiles
        10% 0.00 days
        20% 0.00 days
        30% 0.00 days
        40% 0.00 days
        50% 0.00 days
        60% 0.00 days
        70% 0.01 days
        80% 0.01 days
        90% 0.86 days
        95% 5.83 days
        99% 5.83 days
        99.9% 5.91 days
        max 5.99 days
data cache: 997482283 bytes, 126848266 reused
        reuse time percentiles
        10% 0.00 days
        20% 0.00 days
        30% 0.00 days
        40% 0.00 days
        50% 0.01 days
        60% 0.19 days
        70% 0.86 days
        80% 1.04 days
        90% 5.05 days
        95% 6.88 days
        99% 19.95 days
        99.9% 20.03 days
        max 20.03 days

edit updated gocachelogstat:

cache age: 28.79 days
action cache: 1421112 bytes, 200970 reused
        reuse time percentiles
                10% 0.00 days
                20% 0.00 days
                30% 0.00 days
                40% 0.00 days
                50% 0.00 days
                60% 0.00 days
                70% 0.01 days
                80% 0.01 days
                90% 0.86 days
                95% 5.83 days
                99% 5.83 days
                99.9% 5.91 days
                max 5.99 days
        reuse time delta percentiles
                10% 0.00 days
                20% 0.00 days
                30% 0.00 days
                40% 0.00 days
                50% 0.00 days
                60% 0.00 days
                70% 0.00 days
                80% 0.00 days
                90% 0.01 days
                95% 0.86 days
                99% 5.83 days
                99.9% 5.91 days
                max 5.99 days
data cache: 997513519 bytes, 126848266 reused
        reuse time percentiles
                10% 0.00 days
                20% 0.00 days
                30% 0.00 days
                40% 0.00 days
                50% 0.01 days
                60% 0.19 days
                70% 0.86 days
                80% 1.04 days
                90% 5.05 days
                95% 6.88 days
                99% 19.95 days
                99.9% 20.03 days
                max 20.03 days
        reuse time delta percentiles
                10% 0.00 days
                20% 0.00 days
                30% 0.00 days
                40% 0.00 days
                50% 0.00 days
                60% 0.00 days
                70% 0.00 days
                80% 0.00 days
                90% 0.01 days
                95% 0.53 days
                99% 5.83 days
                99.9% 5.91 days
                max 5.99 days

@rsc
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rsc commented Dec 5, 2017

@cespare, see top comment on issue (wasn't emailed).

@rsc
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rsc commented Dec 5, 2017

@RLH, if you're not working at tip don't worry about it - this only affects the new caching code at tip. Thanks though.

@davecheney
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cache age: 17.09 days
action cache: 472164 bytes, 131516 reused
        reuse time percentiles
                10% 2.92 days
                20% 2.95 days
                30% 3.73 days
                40% 3.84 days
                50% 4.76 days
                60% 9.08 days
                70% 9.11 days
                80% 9.22 days
                90% 11.01 days
                95% 11.26 days
                99% 12.38 days
                99.9% 17.00 days
                max 17.08 days
        reuse time delta percentiles
                10% 0.00 days
                20% 0.00 days
                30% 0.00 days
                40% 0.00 days
                50% 0.00 days
                60% 0.00 days
                70% 0.00 days
                80% 0.00 days
                90% 0.01 days
                95% 0.06 days
                99% 1.15 days
                99.9% 4.25 days
                max 16.19 days
data cache: 409366597 bytes, 114953359 reused
        reuse time percentiles
                10% 2.92 days
                20% 2.95 days
                30% 3.73 days
                40% 3.84 days
                50% 4.76 days
                60% 9.08 days
                70% 9.12 days
                80% 9.22 days
                90% 11.01 days
                95% 11.26 days
                99% 12.38 days
                99.9% 17.00 days
                max 17.08 days
        reuse time delta percentiles
                10% 0.00 days
                20% 0.00 days
                30% 0.00 days
                40% 0.00 days
                50% 0.00 days
                60% 0.00 days
                70% 0.00 days
                80% 0.00 days
                90% 0.00 days
                95% 0.01 days
                99% 0.76 days
                99.9% 4.25 days
                max 16.19 days

@titanous
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titanous commented Dec 5, 2017 

cache age: 27.32 days
action cache: 83468 bytes, 53900 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.02 days
		50% 0.02 days
		60% 0.02 days
		70% 0.03 days
		80% 0.98 days
		90% 0.98 days
		95% 9.03 days
		99% 9.98 days
		99.9% 9.98 days
		max 9.98 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.86 days
		99% 0.95 days
		99.9% 6.99 days
		max 6.99 days
data cache: 59216559 bytes, 29841680 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.02 days
		40% 0.02 days
		50% 0.02 days
		60% 0.03 days
		70% 0.98 days
		80% 6.06 days
		90% 9.03 days
		95% 9.98 days
		99% 9.98 days
		99.9% 9.98 days
		max 9.98 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.02 days
		99% 0.95 days
		99.9% 6.99 days
		max 6.99 days

@robpike
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robpike commented Dec 5, 2017 

cache age: 29.02 days
action cache: 801878 bytes, 338646 reused
	reuse time percentiles
		10% 0.01 days
		20% 0.01 days
		30% 0.87 days
		40% 0.93 days
		50% 0.97 days
		60% 1.01 days
		70% 1.02 days
		80% 1.08 days
		90% 1.10 days
		95% 5.10 days
		99% 5.15 days
		99.9% 6.01 days
		max 6.11 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.02 days
		99% 0.87 days
		99.9% 3.16 days
		max 6.11 days
data cache: 445888150 bytes, 199539663 reused
	reuse time percentiles
		10% 0.01 days
		20% 0.91 days
		30% 0.99 days
		40% 1.02 days
		50% 5.10 days
		60% 14.12 days
		70% 15.05 days
		80% 15.12 days
		90% 15.19 days
		95% 15.20 days
		99% 19.24 days
		99.9% 19.26 days
		max 24.04 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.00 days
		99% 0.79 days
		99.9% 3.16 days
		max 24.03 days

@stemar94
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stemar94 commented Dec 5, 2017 

cache age: 32.15 days
action cache: 326172 bytes, 17402 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.01 days
		30% 0.01 days
		40% 0.03 days
		50% 0.08 days
		60% 0.09 days
		70% 0.17 days
		80% 0.17 days
		90% 0.17 days
		95% 0.21 days
		99% 0.21 days
		99.9% 0.21 days
		max 0.21 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.01 days
		70% 0.01 days
		80% 0.03 days
		90% 0.08 days
		95% 0.09 days
		99% 0.21 days
		99.9% 0.21 days
		max 0.21 days
data cache: 476840745 bytes, 20714746 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.01 days
		30% 0.01 days
		40% 0.03 days
		50% 0.08 days
		60% 0.09 days
		70% 0.17 days
		80% 0.17 days
		90% 0.17 days
		95% 0.21 days
		99% 0.21 days
		99.9% 0.21 days
		max 0.21 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.01 days
		70% 0.01 days
		80% 0.03 days
		90% 0.08 days
		95% 0.09 days
		99% 0.21 days
		99.9% 0.21 days
		max 0.21 days

@rhysh
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Contributor

rhysh commented Dec 5, 2017 

cache age: 25.15 days
action cache: 944790 bytes, 756756 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.40 days
		70% 4.22 days
		80% 4.36 days
		90% 4.40 days
		95% 4.42 days
		99% 4.45 days
		99.9% 4.45 days
		max 4.45 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.02 days
		95% 0.06 days
		99% 2.09 days
		99.9% 3.67 days
		max 4.45 days
data cache: 745875378 bytes, 469831660 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.22 days
		60% 4.10 days
		70% 4.39 days
		80% 14.18 days
		90% 18.15 days
		95% 18.18 days
		99% 18.23 days
		99.9% 18.23 days
		max 18.23 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.02 days
		99% 0.55 days
		99.9% 3.67 days
		max 12.69 days

@cherrymui
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Member 

cache age: 28.49 days
action cache: 353892 bytes, 98098 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.01 days
		80% 0.01 days
		90% 0.01 days
		95% 0.75 days
		99% 1.91 days
		99.9% 1.91 days
		max 1.91 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.02 days
		99% 1.89 days
		99.9% 1.89 days
		max 1.89 days
data cache: 510494518 bytes, 170479787 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.01 days
		50% 0.01 days
		60% 5.89 days
		70% 11.77 days
		80% 11.77 days
		90% 11.77 days
		95% 11.78 days
		99% 12.58 days
		99.9% 12.58 days
		max 12.58 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.00 days
		99% 1.89 days
		99.9% 2.46 days
		max 4.83 days

@jostyee
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jostyee commented Dec 5, 2017 

cache age: 18.74 days
action cache: 53592 bytes, 16016 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 2.85 days
		90% 2.86 days
		95% 2.86 days
		99% 2.86 days
		99.9% 2.86 days
		max 2.86 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 2.85 days
		95% 2.85 days
		99% 2.85 days
		99.9% 2.85 days
		max 2.85 days
data cache: 30515400 bytes, 9007046 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 2.85 days
		50% 17.89 days
		60% 17.89 days
		70% 17.89 days
		80% 17.89 days
		90% 17.89 days
		95% 17.89 days
		99% 17.89 days
		99.9% 17.89 days
		max 17.89 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 2.85 days
		99% 2.85 days
		99.9% 17.89 days
		max 17.89 days

@ianlancetaylor
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Contributor 

cache age: 27.95 days
action cache: 711942 bytes, 244552 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.01 days
		70% 0.03 days
		80% 0.09 days
		90% 0.46 days
		95% 0.77 days
		99% 1.21 days
		99.9% 3.12 days
		max 3.73 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.04 days
		99% 1.09 days
		99.9% 3.12 days
		max 3.53 days
data cache: 687114835 bytes, 245940622 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.01 days
		60% 0.04 days
		70% 0.11 days
		80% 1.20 days
		90% 7.82 days
		95% 8.82 days
		99% 17.45 days
		99.9% 21.00 days
		max 21.00 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.01 days
		99% 0.67 days
		99.9% 3.12 days
		max 4.88 days

@eliasnaur
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Contributor 

cache age: 23.96 days
action cache: 170632 bytes, 59598 reused
	reuse time percentiles
		10% 1.75 days
		20% 2.76 days
		30% 3.05 days
		40% 4.93 days
		50% 4.96 days
		60% 4.99 days
		70% 5.02 days
		80% 5.05 days
		90% 5.99 days
		95% 6.75 days
		99% 12.99 days
		99.9% 13.77 days
		max 13.79 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.02 days
		95% 0.17 days
		99% 1.07 days
		99.9% 2.83 days
		max 5.15 days
data cache: 65188090 bytes, 30588096 reused
	reuse time percentiles
		10% 1.89 days
		20% 2.99 days
		30% 3.69 days
		40% 4.95 days
		50% 4.98 days
		60% 5.01 days
		70% 5.04 days
		80% 5.74 days
		90% 6.03 days
		95% 8.91 days
		99% 15.95 days
		99.9% 19.81 days
		max 19.83 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.02 days
		99% 0.84 days
		99.9% 2.83 days
		max 5.15 days

@thanm
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Contributor

thanm commented Dec 5, 2017 

cache age: 18.75 days
action cache: 1435126 bytes, 432432 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.01 days
		60% 0.02 days
		70% 0.03 days
		80% 0.05 days
		90% 0.07 days
		95% 0.07 days
		99% 5.84 days
		99.9% 5.85 days
		max 6.94 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.01 days
		90% 0.02 days
		95% 0.02 days
		99% 0.02 days
		99.9% 5.84 days
		max 6.92 days
data cache: 2331152334 bytes, 507875497 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.01 days
		40% 0.02 days
		50% 0.03 days
		60% 0.05 days
		70% 0.07 days
		80% 4.03 days
		90% 13.19 days
		95% 14.01 days
		99% 14.26 days
		99.9% 14.26 days
		max 14.26 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.01 days
		95% 0.02 days
		99% 0.02 days
		99.9% 5.84 days
		max 6.92 days

@rjammala
Copy link

rjammala commented Dec 5, 2017 

cache age: 28.85 days
action cache: 224224 bytes, 149226 reused
	reuse time percentiles
		10% 0.01 days
		20% 0.04 days
		30% 0.06 days
		40% 0.09 days
		50% 0.13 days
		60% 0.13 days
		70% 0.17 days
		80% 0.37 days
		90% 2.36 days
		95% 2.40 days
		99% 2.42 days
		99.9% 2.98 days
		max 2.99 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.01 days
		70% 0.02 days
		80% 0.02 days
		90% 0.13 days
		95% 0.17 days
		99% 2.29 days
		99.9% 2.29 days
		max 2.29 days
data cache: 112980540 bytes, 82113904 reused
	reuse time percentiles
		10% 0.04 days
		20% 0.09 days
		30% 0.13 days
		40% 0.37 days
		50% 2.36 days
		60% 3.41 days
		70% 7.13 days
		80% 16.22 days
		90% 16.30 days
		95% 16.31 days
		99% 16.45 days
		99.9% 16.45 days
		max 20.98 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.01 days
		90% 0.02 days
		95% 0.13 days
		99% 2.29 days
		99.9% 2.29 days
		max 5.90 days

@mirtchovski
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Contributor 

cache age: 21.69 days
action cache: 43274 bytes, 10010 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.01 days
		30% 0.03 days
		40% 1.01 days
		50% 1.01 days
		60% 1.02 days
		70% 1.02 days
		80% 1.03 days
		90% 1.03 days
		95% 1.04 days
		99% 1.44 days
		99.9% 1.86 days
		max 5.96 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.00 days
		99% 0.42 days
		99.9% 0.99 days
		max 5.88 days
data cache: 28858798 bytes, 10783184 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.01 days
		30% 0.03 days
		40% 1.01 days
		50% 1.01 days
		60% 1.02 days
		70% 1.02 days
		80% 1.03 days
		90% 1.03 days
		95% 1.04 days
		99% 1.44 days
		99.9% 1.86 days
		max 5.96 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.00 days
		99% 0.42 days
		99.9% 0.99 days
		max 5.88 days

@dr2chase
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Contributor

dr2chase commented Dec 5, 2017 

cache age: 31.80 days
action cache: 2469236 bytes, 543928 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.01 days
		50% 0.04 days
		60% 0.05 days
		70% 0.14 days
		80% 2.15 days
		90% 2.20 days
		95% 2.30 days
		99% 2.94 days
		99.9% 2.98 days
		max 2.98 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.01 days
		90% 0.03 days
		95% 0.09 days
		99% 2.94 days
		99.9% 2.98 days
		max 2.98 days
data cache: 2809833052 bytes, 519667637 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.01 days
		30% 0.04 days
		40% 0.16 days
		50% 0.29 days
		60% 2.30 days
		70% 13.08 days
		80% 15.18 days
		90% 15.24 days
		95% 15.31 days
		99% 15.33 days
		99.9% 19.11 days
		max 19.11 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.01 days
		95% 0.03 days
		99% 2.15 days
		99.9% 2.98 days
		max 4.70 days

@griesemer
Copy link
Contributor 

cache age: 29.00 days
action cache: 2881340 bytes, 516208 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.01 days
		95% 0.01 days
		99% 0.09 days
		99.9% 0.65 days
		max 0.65 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.00 days
		99% 0.04 days
		99.9% 0.61 days
		max 0.64 days
data cache: 3684945278 bytes, 609575533 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.01 days
		60% 17.09 days
		70% 17.09 days
		80% 17.12 days
		90% 17.84 days
		95% 17.85 days
		99% 17.85 days
		99.9% 18.02 days
		max 21.11 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.00 days
		99% 0.03 days
		99.9% 0.61 days
		max 4.51 days

@SamWhited
Copy link
Member 

cache age: 25.55 days
action cache: 185878 bytes, 89782 reused
	reuse time percentiles
		10% 0.03 days
		20% 0.11 days
		30% 0.15 days
		40% 3.02 days
		50% 3.16 days
		60% 3.18 days
		70% 3.23 days
		80% 3.34 days
		90% 3.35 days
		95% 3.97 days
		99% 4.09 days
		99.9% 5.20 days
		max 5.20 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.01 days
		95% 0.05 days
		99% 1.22 days
		99.9% 3.03 days
		max 3.08 days
data cache: 161720078 bytes, 73386940 reused
	reuse time percentiles
		10% 0.04 days
		20% 0.11 days
		30% 0.91 days
		40% 3.13 days
		50% 3.18 days
		60% 3.23 days
		70% 3.33 days
		80% 3.35 days
		90% 4.17 days
		95% 4.83 days
		99% 5.64 days
		99.9% 14.81 days
		max 14.82 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.02 days
		99% 1.03 days
		99.9% 3.03 days
		max 8.23 days

@zeebo
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Contributor

zeebo commented Dec 6, 2017 

cache age: 14.88 days
action cache: 409948 bytes, 194194 reused
	reuse time percentiles
		10% 0.03 days
		20% 0.20 days
		30% 0.30 days
		40% 3.25 days
		50% 4.08 days
		60% 4.94 days
		70% 7.05 days
		80% 8.89 days
		90% 13.82 days
		95% 13.99 days
		99% 14.11 days
		99.9% 14.78 days
		max 14.78 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.01 days
		90% 0.07 days
		95% 0.76 days
		99% 3.09 days
		99.9% 9.06 days
		max 14.08 days
data cache: 246541150 bytes, 128705815 reused
	reuse time percentiles
		10% 0.06 days
		20% 0.25 days
		30% 0.34 days
		40% 4.11 days
		50% 6.14 days
		60% 8.82 days
		70% 13.16 days
		80% 13.92 days
		90% 14.05 days
		95% 14.13 days
		99% 14.88 days
		99.9% 14.88 days
		max 14.88 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.01 days
		95% 0.07 days
		99% 2.08 days
		99.9% 6.99 days
		max 14.08 days

@aarzilli
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Contributor

aarzilli commented Dec 6, 2017 

cache age: 32.18 days
action cache: 1303610 bytes, 712712 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.01 days
		40% 0.02 days
		50% 0.02 days
		60% 0.05 days
		70% 0.08 days
		80% 0.65 days
		90% 2.03 days
		95% 2.84 days
		99% 4.87 days
		99.9% 5.75 days
		max 5.75 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.01 days
		99% 0.60 days
		99.9% 4.00 days
		max 5.70 days
data cache: 1170841394 bytes, 573956407 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.01 days
		30% 0.02 days
		40% 0.02 days
		50% 0.07 days
		60% 0.76 days
		70% 2.84 days
		80% 4.70 days
		90% 5.27 days
		95% 14.13 days
		99% 18.98 days
		99.9% 19.00 days
		max 19.00 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.01 days
		99% 0.52 days
		99.9% 2.76 days
		max 8.93 days

@rogpeppe
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Contributor

rogpeppe commented Dec 7, 2017 

cache age: 29.61 days
action cache: 3501344 bytes, 1152228 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.01 days
		60% 0.01 days
		70% 0.02 days
		80% 0.08 days
		90% 0.82 days
		95% 5.21 days
		99% 6.43 days
		99.9% 6.52 days
		max 6.53 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.01 days
		90% 0.02 days
		95% 0.60 days
		99% 6.37 days
		99.9% 6.39 days
		max 6.39 days
data cache: 3625726286 bytes, 951103353 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.01 days
		40% 0.01 days
		50% 0.09 days
		60% 0.81 days
		70% 6.37 days
		80% 8.26 days
		90% 15.88 days
		95% 20.75 days
		99% 22.37 days
		99.9% 22.38 days
		max 22.38 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.01 days
		95% 0.04 days
		99% 5.19 days
		99.9% 6.39 days
		max 6.39 days

@reusee
Copy link

reusee commented Dec 9, 2017 

cache age: 16.84 days
action cache: 167090 bytes, 69300 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.38 days
		99% 2.29 days
		99.9% 8.26 days
		max 8.26 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.00 days
		99% 2.01 days
		99.9% 6.19 days
		max 7.47 days
data cache: 961391282 bytes, 343558230 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.38 days
		99% 2.29 days
		99.9% 8.26 days
		max 8.26 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.00 days
		95% 0.00 days
		99% 2.01 days
		99.9% 6.19 days
		max 7.47 days

@thesyncim
Copy link 

cache age: 3.89 days
action cache: 223300 bytes, 137984 reused
        reuse time percentiles
                10% 0.10 days
                20% 0.16 days
                30% 0.18 days
                40% 0.20 days
                50% 0.27 days
                60% 0.30 days
                70% 0.32 days
                80% 0.73 days
                90% 1.05 days
                95% 1.07 days
                99% 1.08 days
                99.9% 1.08 days
                max 1.08 days
        reuse time delta percentiles
                10% 0.00 days
                20% 0.00 days
                30% 0.00 days
                40% 0.00 days
                50% 0.00 days
                60% 0.00 days
                70% 0.00 days
                80% 0.00 days
                90% 0.01 days
                95% 0.02 days
                99% 0.29 days
                99.9% 0.39 days
                max 0.47 days
data cache: 182837122 bytes, 105059102 reused
        reuse time percentiles
                10% 0.13 days
                20% 0.17 days
                30% 0.19 days
                40% 0.22 days
                50% 0.28 days
                60% 0.31 days
                70% 0.32 days
                80% 0.73 days
                90% 1.05 days
                95% 1.07 days
                99% 1.08 days
                99.9% 3.84 days
                max 3.84 days
        reuse time delta percentiles
                10% 0.00 days
                20% 0.00 days
                30% 0.00 days
                40% 0.00 days
                50% 0.00 days
                60% 0.00 days
                70% 0.00 days
                80% 0.00 days
                90% 0.00 days
                95% 0.01 days
                99% 0.10 days
                99.9% 0.39 days
                max 2.65 days

@reusee
Copy link

reusee commented Dec 12, 2017 

cache age: 34.02 days
action cache: 1438206 bytes, 345422 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.06 days
		30% 1.08 days
		40% 1.20 days
		50% 2.00 days
		60% 2.98 days
		70% 4.93 days
		80% 6.67 days
		90% 9.69 days
		95% 11.02 days
		99% 11.67 days
		99.9% 11.67 days
		max 11.67 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.01 days
		90% 0.05 days
		95% 0.11 days
		99% 2.73 days
		99.9% 3.96 days
		max 4.84 days
data cache: 13272971350 bytes, 2313751943 reused
	reuse time percentiles
		10% 0.01 days
		20% 1.04 days
		30% 1.19 days
		40% 2.00 days
		50% 2.92 days
		60% 4.93 days
		70% 6.06 days
		80% 7.06 days
		90% 11.02 days
		95% 11.67 days
		99% 16.85 days
		99.9% 17.81 days
		max 17.86 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.01 days
		90% 0.05 days
		95% 0.11 days
		99% 2.15 days
		99.9% 3.96 days
		max 4.84 days

@crawshaw
Copy link
Member 

cache age: 24.05 days
action cache: 1507044 bytes, 187418 reused
	reuse time percentiles
		10% 0.00 days
		20% 0.15 days
		30% 0.48 days
		40% 0.66 days
		50% 1.03 days
		60% 2.29 days
		70% 2.97 days
		80% 3.80 days
		90% 7.49 days
		95% 9.69 days
		99% 9.82 days
		99.9% 10.72 days
		max 10.78 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.01 days
		95% 0.04 days
		99% 0.64 days
		99.9% 1.30 days
		max 2.59 days
data cache: 487264149 bytes, 208636805 reused
	reuse time percentiles
		10% 0.01 days
		20% 0.16 days
		30% 0.49 days
		40% 0.68 days
		50% 1.11 days
		60% 2.64 days
		70% 2.98 days
		80% 4.19 days
		90% 8.88 days
		95% 9.73 days
		99% 11.65 days
		99.9% 20.13 days
		max 21.16 days
	reuse time delta percentiles
		10% 0.00 days
		20% 0.00 days
		30% 0.00 days
		40% 0.00 days
		50% 0.00 days
		60% 0.00 days
		70% 0.00 days
		80% 0.00 days
		90% 0.01 days
		95% 0.04 days
		99% 0.80 days
		99.9% 1.55 days
		max 19.29 days

@bcmills
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bcmills commented Jan 18, 2019

It's been over a year since we collected this data, so I'm assuming the decisions based on it are settled.

@bcmills bcmills closed this as completed Jan 18, 2019
@golang golang locked and limited conversation to collaborators Jan 18, 2020
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