Brandon Chen parkghost
parkghost
/ profilingtool.go
Last active
January 3, 2023 10:47
a toolkit to help profiling go programmes
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| package main | |
| import ( | |
| "fmt" | |
| "log" | |
| "os" | |
| "runtime" | |
| "runtime/debug" | |
| "runtime/pprof" | |
| "strconv" |
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| package main | |
| import ( | |
| "flag" | |
| "fmt" | |
| "io/ioutil" | |
| "log" | |
| "net/url" | |
| "os" | |
| "path/filepath" |
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| package main | |
| import ( | |
| "log" | |
| "net" | |
| "net/http" | |
| "time" | |
| ) | |
| var port = ":8080" |
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| #!/bin/bash | |
| # ab+ | |
| # | |
| # os and network tuning | |
| # ulimit -n 100000 | |
| # sudo echo "2048 64512" > /proc/sys/net/ipv4/ip_local_port_range | |
| # sudo echo "1" > /proc/sys/net/ipv4/tcp_tw_recycle | |
| # sudo echo "1" > /proc/sys/net/ipv4/tcp_tw_reuse | |
| # sudo echo "10" > /proc/sys/net/ipv4/tcp_fin_timeout | |
| # sudo echo "65535" > /proc/sys/net/core/somaxconn |