cwen0

#!/bin/bash

# Configration

MYSQL=/usr/bin/mysql
TPCCLOAD=./tpcc_load
TABLESQL=./create_table.sql
CONSTRAINTSQL=./add_fkey_idx.sql
DEGREE=`getconf _NPROCESSORS_ONLN`

cwen0

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

cwen0

Tmux 快捷键 & 速查表

启动新会话：

tmux [new -s 会话名 -n 窗口名]

恢复会话：

tmux at [-t 会话名]

cwen0

# -*- coding: utf-8 -*-

import os
from datetime import datetime
from binascii import crc32
import cPickle as pickle
from glob import glob

TABLE = {}
current_active = max([int(f.replace('.sst', '')) for f in glob('*.sst')] or [1])

cwen0

#!/usr/bin/env python

"""
How to use it:
1. Just `kill -2 PROCESS_ID` or `kill -15 PROCESS_ID`,
   The Tornado Web Server Will shutdown after process all the request.
2. When you run it behind Nginx, it can graceful reboot your production server.
"""

import time

cwen0

#!/usr/bin/env python

"""
How to use it:
1. Just `kill -2 PROCESS_ID` or `kill -15 PROCESS_ID` , The Tornado Web Server Will shutdown after process all the request.
2. When you run it behind Nginx, it can graceful reboot your production server.

3. Nice Print in http://weibo.com/1682780325/zgkb7g8k7

"""

cwen0

var CryptoJS = require('crypto-js')
var request = require('request-promise')

/*
 * npm install crypto-js request-promise request
 * node wx_t1t_hack.js
 */

// export function testEncription(msg, fullKey) {
//   var fullKey = fullKey.slice(0, 16)

cwen0

global inject, delay_cnt

probe begin {
    println("injdect diskio delay begin.\n");
}

probe procfs("cnt").read {
    $value = sprintf("%d\n", delay_cnt);
}

cwen0

#define _GNU_SOURCE
#include <stdio.h>
#include <unistd.h>
#include <dlfcn.h>

ssize_t read(int fd, void *buf, size_t count) {
    ssize_t (*origin_read)(int, void*, size_t) = dlsym(RTLD_NEXT, "read");
    sleep(5);
    printf("read sleep 5s\n");
    return origin_read(fd, buf, count);

cwen0

#!/bin/bash
set -euo pipefail

function myFunction() {
	myCommand
	return $?
}

retry=0
maxRetries=5