wilburding’s gists

wilburding / disable_thp.service

Created July 22, 2015 02:19

clear transparent_hugepage related warnings for mongod

	[Unit]
	Description=disable transparent huge page

	[Service]
	ExecStart=/bin/sh -c 'if test -f /sys/kernel/mm/transparent_hugepage/khugepaged/defrag; then /bin/echo 0 > /sys/kernel/mm/transparent_hugepage/khugepaged/defrag; fi'
	ExecStart=/bin/sh -c 'if test -f /sys/kernel/mm/transparent_hugepage/defrag; then echo never > /sys/kernel/mm/transparent_hugepage/defrag; fi'
	ExecStart=/bin/sh -c 'if test -f /sys/kernel/mm/transparent_hugepage/enabled; then echo never > /sys/kernel/mm/transparent_hugepage/enabled; fi'
	Type=oneshot

	[Install]

wilburding / supervisord.service

Created July 21, 2015 05:31

	[Unit]
	Description=supervisord daemon

	[Service]
	Environment="PATH=/home/www/.pyenv/shims:/home/www/.pyenv/bin:/bin:/usr/bin"
	ExecStart=/usr/bin/supervisord -c /etc/supervisord.conf --nodaemon -u www
	Restart=always

	[Install]
	WantedBy=multi-user.target

wilburding / mongod.service

Last active August 29, 2015 14:24

mongod.service

	[Unit]
	Description=mongod.service
	After=network.target disable_thp.service

	[Service]
	ExecStartPre=/usr/bin/install -d -m 0755 -o mongod -g mongod /var/run/mongodb
	ExecStart=/usr/bin/mongod -f /etc/mongod.conf --fork --pidfilepath=/var/run/mongodb/mongod.pid
	ExecStop=/usr/bin/kill -TERM $MAINPID
	Type=forking
	PIDFile=/var/run/mongodb/mongod.pid

wilburding / ip_to_location.py

Last active December 21, 2015 08:29

Python写的读取纯真IP地址数据库脚本，提供简单的查询功能

wilburding / tmux.conf

Last active July 4, 2018 02:37

my tmux conf(adapted from XuTao's)

	# author: XuTao <[email protected]>
	# time: Sun Jul 15 21:57:17 CST 2012
	# Usage: mv tmux_conf.txt ~/.tmux.conf
	#------------------------------------------

	#-- base --#
	set -g default-terminal "xterm-256color"
	#set -g default-terminal "xterm"
	set -g display-time 3000
	set -g history-limit 65535

wilburding / jinja_template.py

Last active December 17, 2015 19:19

a simple jinja template integretion to tornado

	#!/usr/bin/env python
	#fileencoding=utf-8

	from jinja2 import Environment
	from jinja2 import FileSystemLoader

	import datetime


	def guess_autoescape(template_name):

wilburding / shared_ptr.cpp

Created April 17, 2013 13:14

toy shared_ptr

wilburding / tagged_pointer.cpp

Created April 5, 2013 14:06

tagged pointer for lockfree algorithm(64bit assumed)

	template<class T>
	class TaggedPointer
	{
	public:
	explicit TaggedPointer(T* ptr = nullptr)
	:ptr_(ptr),
	counter_(0)
	{}

	inline T* load_ptr() noexcept

wilburding / timeit.cpp

Created April 5, 2013 12:19

time any callable

	template<class F, class ...Args>
	void timeit(uint32_t repeat, F&& f, Args&&... args)
	{
	auto begin_time = chrono::high_resolution_clock::now();
	for(uint32_t i = 0; i < repeat; ++i)
	f(forward<Args>(args)...);
	auto end_time = chrono::high_resolution_clock::now();

	printf("total time: %lldus\n", chrono::duration_cast<chrono::microseconds>(end_time - begin_time).count());
	printf("average time: %lldns\n", chrono::duration_cast<chrono::nanoseconds>(end_time - begin_time).count() / repeat);

wilburding / lockfree_stack

Created April 4, 2013 15:26

a lock free stack . original work http://developers.memsql.com/blog/common-pitfalls-in-writing-lock-free-algorithms/

wilbur wilburding