pcolazurdo

1. SRE deep dive into Linux Page Cache

pcolazurdo

REGEX remove blank lines:

FROM: http://www.ultraedit.com/support/tutorials_power_tips/ultraedit/remove_blank_lines.html

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FIND:

^(?:[\t ]*(?:\r?\n|\r))+

FBosler

#Copyright 2021 Fabian Bosler

# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation 
# files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, 
# modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom 
# the Software is furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all copies or substantial portions of the 
# Software.

arsham

go test -run=. -bench=. -benchtime=5s -count 5 -benchmem -cpuprofile=cpu.out -memprofile=mem.out -trace=trace.out ./package | tee bench.txt
go tool pprof -http :8080 cpu.out
go tool pprof -http :8081 mem.out
go tool trace trace.out

go tool pprof $FILENAME.test cpu.out
# (pprof) list <func name>

# go get -u golang.org/x/perf/cmd/benchstat
benchstat bench.txt

fomightez

REGEX remove blank lines:

FROM: http://www.ultraedit.com/support/tutorials_power_tips/ultraedit/remove_blank_lines.html

---

FIND:

^(?:[\t ]*(?:\r?\n|\r))+

nnnnathann

#!/bin/bash

URL="$1"
DATA="$2"
MAX_RUNS="$3"
SUM_TIME="0"

i="0"
while [ $i -lt $MAX_RUNS ]; do
  TIME=`curl $URL -d $DATA -o /dev/null -s -w %{time_total}`