JasonGiedymin

Case Study

A windows case study.

The details of what I would do for Linux would be different, but the premise would remain.

Table Of Contents

• Case Study
• Table Of Contents

JasonGiedymin

# Jason Giedymin
# jasong _-@-_ apache _dot_ org

# Try these options for your 64bit JVM.

# Aggressive collection, Large-ish Memory footprint
-Xss1024k -Xms512m -Xmx1408m -XX:MaxPermSize=512m -XX:ReservedCodeCacheSize=1024m -XX:+AggressiveOpts -XX:ParallelGCThreads=16 -XX:+UseConcMarkSweepGC -XX:+ExplicitGCInvokesConcurrent -XX:+UseCompressedOops

# Aggressive collection but use memory if needed
-Xss1024k -Xms128m -Xmx1408m -XX:MaxPermSize=128m -XX:ReservedCodeCacheSize=1024m -XX:+AggressiveOpts -XX:ParallelGCThreads=4 -XX:+UseConcMarkSweepGC -XX:+ExplicitGCInvokesConcurrent -XX:+UseCompressedOops

JasonGiedymin

#!/usr/bin/env zsh

# Script: azv
# Author: Jason Giedymin <jason.giedymin@gmail.com>
# Name: azv
# Version: 1.0.4
# Description: Azure Vault Helper Script
# License: MIT
#
# Exit Codes:

JasonGiedymin

# Python actors using gevent libev.
#
# [gevent](http://www.gevent.org/index.html)
# [libev](http://software.schmorp.de/pkg/libev.html)
#
# Jason Giedymin <jason g _at_ g mail dot com>
#
# This example serves as a simple play between four actors.
#   - 2 Workers
#   - 1 Supervisor

JasonGiedymin

# simple sort
curl --no-progress-meter --stderr - -X GET --user "<username>:<password>" "https://<host>:<port>/_cat/indices" | sort -g -k 7

# if you want do do some formatting in between or what have you
curl --no-progress-meter --stderr - -X GET --user "<username>:<password>" "https://<host>:<port>/_cat/indices" | tr -s '[:blank:]' ',' | sort -g --field-separator=',' -k 7 | column -t -s ','

JasonGiedymin

#!/usr/bin/env bash

set -e

sig_handler() {
    exit_status=$?  # Eg 130 for SIGINT, 128 + (2 == SIGINT)
    if [[ exit_status -gt 0 ]]; then
      cat <<EOF
      !!!
      WARN: signal [$exit_status] recieved by entrypoint ... returning it"

JasonGiedymin

#!/usr/bin/env bash
#
# Author: _j_a_s_o_n_g_at_a_p_a_c_h_e_dot_org
# License: GNU GPLv3
#

set -e

if [ -z "$1" ]; then
  echo "Please supply param 1 as the git hash which to cheery pick. Now exiting..."

JasonGiedymin

#!/bin/bash
#
# Script Name: bitnami-jenkins-upgrade.sh
#     Version: v1.0.0
#      Author: Jason Giedymin <jason_g_at_apache_dot_org>
#       Usage: `bash bitnami-jenkins-upgrade.sh`
#       Descr: An upgrade script to help do some minor upgrades
#              to the bitnami jenkins image.
#        Note: this script does reference sudo and will stop
#              if any part of it fails.

JasonGiedymin

###

Author: Jason Giedymin <jasong _a_t_ apache -dot- org>
        http://www.jasongiedymin.com
        https://github.com/JasonGiedymin

Appearing in the Quake III Arena source code[1], this strange algorithm uses
integer operations along with a 'magic number' to calculate floating point
approximation values of inverse square roots[5].

JasonGiedymin

#
# Don't want to run PostgreSQL as a service? Want to manually start and stop it?
#  >> bundle exec rake rabbitmq:mac:start 
#  >> bundle exec rake rabbitmq:mac:stop
#

namespace :rabbitmq do
  namespace :mac do

    desc "Starts a Mac brew installed RabbitMQ server."