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md2k / gist:4079898
Created November 15, 2012 17:21
Amazon RDS Performance Tuning Settings
rds-modify-db-parameter-group {param-group-name} \
--parameters="name=character_set_server, value=utf8, method=pending-reboot" \
--parameters="name=collation_server, value=utf8_general_ci, method=pending-reboot" \
--parameters="name=tmp_table_size, value={DBInstanceClassMemory/16}, method=pending-reboot" \
--parameters="name=max_heap_table_size, value={DBInstanceClassMemory/16}, method=pending-reboot" \
--parameters="name=query_cache_type, value=1, method=pending-reboot" \
--parameters="name=query_cache_size, value={DBInstanceClassMemory/32}, method=pending-reboot" \
--parameters="name=table_open_cache, value=2500, method=pending-reboot" \
--parameters="name=join_buffer_size, value={DBInstanceClassMemory/64}, method=pending-reboot" \
--parameters="name=thread_cache_size, value={DBInstanceClassMemory/12582880}, method=pending-reboot" \
#!/bin/bash
####################################
# BASIC REQUIREMENTS
# http://graphite.wikidot.com/installation
# Forked from: http://geek.michaelgrace.org/2011/09/how-to-install-graphite-on-ubuntu/
# Ubuntu 11.10 Oneiric Ocelot
# Forked from https://gist.github.com/1287170
# Modified to use NGinx + uwsgi instead of Apache, as well as memcached and supervisord, incorporating ideas from
# http://blog.adku.com/2011/10/scalable-realtime-stats-with-graphite.html
#!/bin/sh
#
# About
# -----
# This script sends simple system-metrics to a remote graphite server.
#
#
# Metrics
# -------
# The metrics currently include the obvious things such as:
diff -udpr src/subshell.c.orig src/subshell.c
--- src/subshell.c.orig 2013-08-02 18:02:39.000000000 +0300
+++ src/subshell.c 2013-10-28 10:47:34.000000000 +0200
@@ -769,7 +769,7 @@ init_subshell (void)
{
/* This must be remembered across calls to init_subshell() */
static char pty_name[BUF_SMALL];
- char precmd[BUF_SMALL];
+ char precmd[BUF_MEDIUM];
#!/bin/bash
if [[ "$#" < "2" || "$#" > "3" ]]; then
cat <<END
Glusterfs GFID resolver -- turns a GFID into a real file path
Usage: $0 <brick-path> <gfid> [-q]
<brick-path> : the path to your glusterfs brick (required)
@md2k
md2k / haproxy.cfg
Last active August 29, 2015 14:27 — forked from GABeech/haproxy.cfg
Stack Exchange HAProxy
# This is an example of the Stack Exchange Tier 1 HAProxy config
# The only things that have been changed from what we are running are:
# 1. User names have been removed
# 2. All Passwords have been remove
# 3. IPs have been changed to use the example/documentation ranges
# 4. Rate limit numbers have been changed to randome numbers, don't read into them
userlist stats-auth
group admin users $admin_user
user $admin_user insecure-password $some_password
@md2k
md2k / whisper-calculator.py
Created October 6, 2015 11:44 — forked from jjmaestro/whisper-calculator.py
whisper-calculator.py: Calculates the size of the whisper storage for the given retention (in frequency:history format)
#!/usr/bin/env python
# -*- coding: utf-8 -*-
def archive_to_bytes(archive):
def to_seconds(s):
SECONDS_IN_A = {
's': 1,
'm': 1 * 60,
'h': 1 * 60 * 60,
@md2k
md2k / parse_aws_s3_billing.py
Created October 20, 2015 13:14 — forked from oddskool/parse_aws_s3_billing.py
Simplistic script to parse the detailed AWS billing CSV file. Script displays cost of S3 operations broken down per region, bucket and usage type (either storage or network). It also sums up the amount of storage used per bucket. Output is filtered wrt to costs < 1$. See http://docs.aws.amazon.com/awsaccountbilling/latest/about/programaccess.html
# -*- coding:utf-8 -*-
'''
Simplistic script to parse the detailed AWS billing CSV file.
Script displays cost of S3 operations broken down per region, bucket and usage
type (either storage or network). It also sums up the amount of storage used per bucket.
Output is filtered wrt to costs < 1$.
See http://docs.aws.amazon.com/awsaccountbilling/latest/about/programaccess.html for
how to set up programmatic access to your billing.

Live Transcoding

This is a collection of working commandline examples to show how one could use FFMpeg and VLC for live transcoding of video streams. All examples have been tested on OSX 10.7.5 with FFMPeg 1.1.3 and VLC 2.0.5 in early 2013.

Documentation links

@md2k
md2k / Example.swift
Created January 20, 2016 19:09 — forked from rayh/Example.swift
Setup console.log() for TVJS apps
func appController(appController: TVApplicationController, evaluateAppJavaScriptInContext jsContext: JSContext) {
jsContext.evaluateScript("var console = {log: function() { var message = ''; for(var i = 0; i < arguments.length; i++) { message += arguments[i] + ' ' }; console.print(message) } };")
let logFunction: @convention(block) (NSString!) -> Void = { (message:NSString!) in
print("JS: \(message)")
}
jsContext.objectForKeyedSubscript("console").setObject(unsafeBitCast(logFunction, AnyObject.self), forKeyedSubscript:"print")
}