mirror of https://github.com/poanetwork/quorum.git
286 lines
5.2 KiB
Markdown
286 lines
5.2 KiB
Markdown
Memory usage
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============
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(Highly unscientific.)
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Command used to gather static memory usage:
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```sh
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grep ^Vm "/proc/$(ps fax | grep [m]etrics-bench | awk '{print $1}')/status"
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```
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Program used to gather baseline memory usage:
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```go
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package main
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import "time"
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func main() {
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time.Sleep(600e9)
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}
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```
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Baseline
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--------
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```
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VmPeak: 42604 kB
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VmSize: 42604 kB
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VmLck: 0 kB
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VmHWM: 1120 kB
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VmRSS: 1120 kB
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VmData: 35460 kB
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VmStk: 136 kB
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VmExe: 1020 kB
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VmLib: 1848 kB
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VmPTE: 36 kB
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VmSwap: 0 kB
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```
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Program used to gather metric memory usage (with other metrics being similar):
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```go
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package main
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import (
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"fmt"
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"metrics"
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"time"
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)
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func main() {
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fmt.Sprintf("foo")
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metrics.NewRegistry()
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time.Sleep(600e9)
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}
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```
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1000 counters registered
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------------------------
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```
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VmPeak: 44016 kB
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VmSize: 44016 kB
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VmLck: 0 kB
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VmHWM: 1928 kB
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VmRSS: 1928 kB
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VmData: 36868 kB
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VmStk: 136 kB
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VmExe: 1024 kB
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VmLib: 1848 kB
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VmPTE: 40 kB
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VmSwap: 0 kB
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```
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**1.412 kB virtual, TODO 0.808 kB resident per counter.**
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100000 counters registered
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--------------------------
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```
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VmPeak: 55024 kB
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VmSize: 55024 kB
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VmLck: 0 kB
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VmHWM: 12440 kB
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VmRSS: 12440 kB
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VmData: 47876 kB
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VmStk: 136 kB
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VmExe: 1024 kB
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VmLib: 1848 kB
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VmPTE: 64 kB
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VmSwap: 0 kB
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```
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**0.1242 kB virtual, 0.1132 kB resident per counter.**
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1000 gauges registered
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----------------------
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```
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VmPeak: 44012 kB
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VmSize: 44012 kB
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VmLck: 0 kB
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VmHWM: 1928 kB
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VmRSS: 1928 kB
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VmData: 36868 kB
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VmStk: 136 kB
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VmExe: 1020 kB
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VmLib: 1848 kB
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VmPTE: 40 kB
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VmSwap: 0 kB
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```
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**1.408 kB virtual, 0.808 kB resident per counter.**
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100000 gauges registered
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------------------------
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```
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VmPeak: 55020 kB
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VmSize: 55020 kB
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VmLck: 0 kB
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VmHWM: 12432 kB
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VmRSS: 12432 kB
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VmData: 47876 kB
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VmStk: 136 kB
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VmExe: 1020 kB
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VmLib: 1848 kB
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VmPTE: 60 kB
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VmSwap: 0 kB
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```
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**0.12416 kB virtual, 0.11312 resident per gauge.**
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1000 histograms with a uniform sample size of 1028
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--------------------------------------------------
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```
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VmPeak: 72272 kB
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VmSize: 72272 kB
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VmLck: 0 kB
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VmHWM: 16204 kB
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VmRSS: 16204 kB
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VmData: 65100 kB
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VmStk: 136 kB
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VmExe: 1048 kB
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VmLib: 1848 kB
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VmPTE: 80 kB
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VmSwap: 0 kB
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```
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**29.668 kB virtual, TODO 15.084 resident per histogram.**
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10000 histograms with a uniform sample size of 1028
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---------------------------------------------------
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```
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VmPeak: 256912 kB
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VmSize: 256912 kB
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VmLck: 0 kB
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VmHWM: 146204 kB
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VmRSS: 146204 kB
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VmData: 249740 kB
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VmStk: 136 kB
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VmExe: 1048 kB
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VmLib: 1848 kB
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VmPTE: 448 kB
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VmSwap: 0 kB
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```
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**21.4308 kB virtual, 14.5084 kB resident per histogram.**
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50000 histograms with a uniform sample size of 1028
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---------------------------------------------------
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```
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VmPeak: 908112 kB
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VmSize: 908112 kB
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VmLck: 0 kB
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VmHWM: 645832 kB
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VmRSS: 645588 kB
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VmData: 900940 kB
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VmStk: 136 kB
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VmExe: 1048 kB
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VmLib: 1848 kB
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VmPTE: 1716 kB
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VmSwap: 1544 kB
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```
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**17.31016 kB virtual, 12.88936 kB resident per histogram.**
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1000 histograms with an exponentially-decaying sample size of 1028 and alpha of 0.015
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-------------------------------------------------------------------------------------
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```
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VmPeak: 62480 kB
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VmSize: 62480 kB
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VmLck: 0 kB
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VmHWM: 11572 kB
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VmRSS: 11572 kB
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VmData: 55308 kB
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VmStk: 136 kB
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VmExe: 1048 kB
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VmLib: 1848 kB
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VmPTE: 64 kB
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VmSwap: 0 kB
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```
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**19.876 kB virtual, 10.452 kB resident per histogram.**
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10000 histograms with an exponentially-decaying sample size of 1028 and alpha of 0.015
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--------------------------------------------------------------------------------------
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```
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VmPeak: 153296 kB
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VmSize: 153296 kB
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VmLck: 0 kB
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VmHWM: 101176 kB
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VmRSS: 101176 kB
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VmData: 146124 kB
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VmStk: 136 kB
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VmExe: 1048 kB
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VmLib: 1848 kB
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VmPTE: 240 kB
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VmSwap: 0 kB
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```
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**11.0692 kB virtual, 10.0056 kB resident per histogram.**
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50000 histograms with an exponentially-decaying sample size of 1028 and alpha of 0.015
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--------------------------------------------------------------------------------------
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```
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VmPeak: 557264 kB
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VmSize: 557264 kB
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VmLck: 0 kB
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VmHWM: 501056 kB
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VmRSS: 501056 kB
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VmData: 550092 kB
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VmStk: 136 kB
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VmExe: 1048 kB
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VmLib: 1848 kB
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VmPTE: 1032 kB
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VmSwap: 0 kB
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```
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**10.2932 kB virtual, 9.99872 kB resident per histogram.**
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1000 meters
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-----------
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```
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VmPeak: 74504 kB
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VmSize: 74504 kB
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VmLck: 0 kB
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VmHWM: 24124 kB
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VmRSS: 24124 kB
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VmData: 67340 kB
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VmStk: 136 kB
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VmExe: 1040 kB
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VmLib: 1848 kB
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VmPTE: 92 kB
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VmSwap: 0 kB
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```
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**31.9 kB virtual, 23.004 kB resident per meter.**
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10000 meters
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------------
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```
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VmPeak: 278920 kB
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VmSize: 278920 kB
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VmLck: 0 kB
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VmHWM: 227300 kB
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VmRSS: 227300 kB
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VmData: 271756 kB
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VmStk: 136 kB
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VmExe: 1040 kB
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VmLib: 1848 kB
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VmPTE: 488 kB
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VmSwap: 0 kB
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```
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**23.6316 kB virtual, 22.618 kB resident per meter.**
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