I hereby claim:
- I am jmason on github.
- I am jmason (https://keybase.io/jmason) on keybase.
- I have a public key whose fingerprint is 1368 71CE 3627 9CD3 FA1B 0B63 3091 7972 298B C7D0
To claim this, I am signing this object:
Justin Mason jmason
jmason
/ BasicSamplingPerfTest.java
Created
April 6, 2013 22:19
quick demo microbenchmark of sampling (systematic and random) applied to a Timer metric
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| package com.yammer.metrics.tests; | |
| import org.junit.Test; | |
| import com.yammer.metrics.ThreadLocalRandom; | |
| import com.yammer.metrics.Timer; | |
| import com.yammer.metrics.Timer.Context; | |
| /** | |
| * Quick demo of sampling. Execute using "-XX:+PrintCompilation -verbose:gc" to verify that JIT and GC don't occur during the measurement phase of this |
jmason
/ TimerClearingGraphiteReporter.java
Last active
November 30, 2023 19:27
TimerClearingGraphiteReporter.java
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| import com.yammer.metrics.Metrics; | |
| import com.yammer.metrics.core.*; | |
| import com.yammer.metrics.reporting.GraphiteReporter; | |
| import com.yammer.metrics.reporting.SocketProvider; | |
| import com.yammer.metrics.stats.Snapshot; | |
| import java.io.IOException; | |
| import java.util.concurrent.TimeUnit; | |
| /** |
jmason
/ keybase.md
Created
April 7, 2014 20:11
jmason
/ zero_sessions_by_app.csv
Created
April 8, 2015 11:30
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| 2105 | 2015-04-07 00:00:00 | 5888.0 | |
|---|---|---|---|
| 752 | 2015-04-07 00:00:00 | 5983.0 | |
| 1012 | 2015-04-07 00:00:00 | 6006.0 | |
| 9 | 2015-04-07 00:00:00 | 6261.0 | |
| 1468 | 2015-04-07 00:00:00 | 6423.0 | |
| 1305 | 2015-04-07 00:00:00 | 7385.0 | |
| 678 | 2015-04-07 00:00:00 | 7775.0 | |
| 1854 | 2015-04-07 00:00:00 | 8093.0 | |
| 312 | 2015-04-07 00:00:00 | 8221.0 | |
| 2171 | 2015-04-07 00:00:00 | 8486.0 |
jmason
/ output_lines_for_all_apps.csv
Created
April 8, 2015 15:06
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| 1001 | 2015-04-08 00:00:00 | 1498.0 | |
|---|---|---|---|
| 1002 | 2015-04-08 00:00:00 | 5187.0 | |
| 1003 | 2015-04-08 00:00:00 | 70554.0 | |
| 1004 | 2015-04-08 00:00:00 | 843.0 | |
| 1005 | 2015-04-08 00:00:00 | 2820.0 | |
| 1006 | 2015-04-08 00:00:00 | 543791.0 | |
| 1007 | 2015-04-08 00:00:00 | 148321.0 | |
| 1008 | 2015-04-08 00:00:00 | 465087.0 | |
| 1009 | 2015-04-08 00:00:00 | 10206.0 | |
| 1010 | 2015-04-08 00:00:00 | 3631.0 |
jmason
/ zero_sessions_for_all_apps.csv
Created
April 8, 2015 15:06
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| 1001 | 2015-04-08 00:00:00 | 0.0 | |
|---|---|---|---|
| 1002 | 2015-04-08 00:00:00 | 1.0 | |
| 1003 | 2015-04-08 00:00:00 | 203.0 | |
| 1004 | 2015-04-08 00:00:00 | 0.0 | |
| 1005 | 2015-04-08 00:00:00 | 1.0 | |
| 1006 | 2015-04-08 00:00:00 | 3061.0 | |
| 1007 | 2015-04-08 00:00:00 | 145.0 | |
| 1008 | 2015-04-08 00:00:00 | 313.0 | |
| 1009 | 2015-04-08 00:00:00 | 19.0 | |
| 1010 | 2015-04-08 00:00:00 | 0.0 |
jmason
/ zerosession-percentage-for-all-prod-apps.txt
Created
April 8, 2015 15:17
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| 099.64 appid: 01689 zerosessions: 5559 ok: 20 ratio%: 99.64 | |
| 098.69 appid: 00430 zerosessions: 362539 ok: 4822 ratio%: 98.69 | |
| 098.27 appid: 02231 zerosessions: 5352 ok: 94 ratio%: 98.27 | |
| 094.15 appid: 02178 zerosessions: 575823 ok: 35765 ratio%: 94.15 | |
| 086.89 appid: 01453 zerosessions: 1126791 ok: 170019 ratio%: 86.89 | |
| 079.53 appid: 02175 zerosessions: 166962 ok: 42971 ratio%: 79.53 | |
| 073.31 appid: 01701 zerosessions: 10499 ok: 3822 ratio%: 73.31 | |
| 066.28 appid: 01193 zerosessions: 1993 ok: 1014 ratio%: 66.28 | |
| 064.95 appid: 00598 zerosessions: 58620 ok: 31636 ratio%: 64.95 | |
| 057.63 appid: 01120 zerosessions: 194591 ok: 143046 ratio%: 57.63 |
jmason
/ mk_byapp_zerosession_report
Created
April 8, 2015 15:18
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| #!/usr/bin/perl | |
| open (IN, "<output_lines_prod_apps.csv") or die; | |
| while (<IN>) { | |
| ($appid,$d,$n) = split(/,/); | |
| $outputlines{$appid} = $n; | |
| } | |
| open (IN, "<zero_sessions_prod_apps.csv") or die; | |
| while (<IN>) { | |
| ($appid,$d,$n) = split(/,/); |
jmason
/ Object-explorer.txt
Created
April 28, 2015 16:18
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| Object explorer | |
| +-----------------------------------------+-----------------+----------------+ | |
| | Name | Retained Size | Shallow Size | | |
| +-----------------------------------------+-----------------+----------------+ | |
| | +---java.util.HashMap$Entry[4096] | 1,218,540,248 | 16,400 | | |
| | | | | | | |
| | +---[2258] java.util.HashMap$Entry | 31,915,400 | 32 | | |
| | | | | | | |
| | +---[1784] java.util.HashMap$Entry | 24,597,960 | 32 | |
jmason
/ Objects-with-biggest-retained-size.txt
Created
April 28, 2015 16:18
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| Objects with biggest retained size | |
| +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+------------------------+ | |
| | Name |
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