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@dnishimura
dnishimura / cgroup.md
Last active October 24, 2017 19:24
CGroup
@dnishimura
dnishimura / cgconfig.conf
Last active October 24, 2017 19:07
cgconfig.conf
group samza {
cpuset {
cpuset.mems="0";
cpuset.cpus="1";
}
memory {
memory.limit_in_bytes=2147483648;
}
}
@dnishimura
dnishimura / Makefile.golang
Created June 20, 2012 17:51 — forked from yanatan16/Makefile.golang
Makefile for Golang projects
# Makefile for a go project
#
# Author: Jon Eisen
# site: joneisen.me
#
# Targets:
# all: Builds the code
# build: Builds the code
# fmt: Formats the source files
# clean: cleans the code
@dnishimura
dnishimura / latency.txt
Created May 31, 2012 17:10 — forked from jboner/latency.txt
Latency numbers every programmer should know
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns
Mutex lock/unlock 25 ns
Main memory reference 100 ns
Compress 1K bytes with Zippy 3,000 ns
Send 2K bytes over 1 Gbps network 20,000 ns
Read 1 MB sequentially from memory 250,000 ns
Round trip within same datacenter 500,000 ns
Disk seek 10,000,000 ns