nickva

#define _CRT_SECURE_NO_DEPRECATE

#include <stdio.h>
#include <string.h>
#include <Windows.h>

// This allocates a "magic ring buffer" that is mapped twice, with the two
// copies being contiguous in (virtual) memory. The advantage of this is
// that this allows any function that expects data to be contiguous in
// memory to read from (or write to) such a buffer. It also means that

nickva

#!/bin/bash

# From http://tech.serbinn.net/2010/shell-script-to-create-ramdisk-on-mac-os-x/
#

ARGS=2
E_BADARGS=99

if [ $# -ne $ARGS ] # correct number of arguments to the script;
then

nickva

Use a ramdisk on OS X to speed up local dev cluster

Download ramdisk.sh:

https://gist.github.com/nickva/74f12b6163e578c3afb0649370f59dc5

$ chmod a+x ./ramdisk.sh

$ ./ramdisk.sh create 4000 # create a 4GB disk mounted to /Volumes/ramdisk
Create ramdisk...

nickva

#!/usr/bin/env escript
%% -*- erlang -*-
%
% File writer benchmarking tool
%
% chmod a+x make sure escript is there, then run as:
%  $ ./dderl block_count block_size fsync|nofsync
%
% Example:
%  $ ./dderl 10000 4096 fsync

nickva

-module(bench).
-compile(export_all).

%% Luke Gorrie's favourite profiling macro.
-define(TIME(Tag, Expr),
        (fun() ->
             %% NOTE: timer:tc/4 does an annoying 'catch' so we
             %% need to wrap the result in 'ok' to be able to
             %% detect an unhandled exception.
             {__TIME, __RESULT} =

nickva

#!/usr/bin/env python

import sys, couchdb

DBURL='http://adm:pass@localhost:15984'

V = 'v'*1
def add_view(db):
    db['_design/d1'] = {
        "views": {

nickva

#!/usr/bin/env python

import sys, socket, hashlib
import couchdb
import base64


def setup_db(dbname, user, password, port):
    url = 'http://%s:%s@127.0.0.1:%d'% (user, password, port)
    print "url:", url

nickva

#!/usr/bin/env python

import argparse
import sys
import requests
import couchdb
import random
import string
import uuid
import time

nickva

#!/usr/bin/env python

import argparse
import sys
import couchdb
import random
import string
import uuid
import time
import copy

nickva

#!/usr/bin/env python

import argparse
import sys
import couchdb
import random
import string
import uuid
import time
import copy