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{
    "instance": {
        "image_id": "ami-cd6904a4",
        "key_name": "1JEKQFK38J65W0R83602-staging-05",
        "security_groups": ["Base", "PN_KCS", "Cassandra_PN_KCS"],
        "instance_type": "m1.large",
        "min_count": 2,
        "max_count": 2,
        "instance_profile_arn": "arn:aws:iam::957700444419:instance-profile/Cassandra"
    },

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function h () {
    arg1=pop
    case $1 in
        p*) the_env=production
            ;;
        s*) the_env=staging
            ;;
        ua*) the_env=uat
            ;;
        u*) the_env=utility

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  def open_next_queue_file(self):
      """While running this method contains the only operations that
      will be run on the queue file. Opening the file this way will
      close the old one and do whatever is necessary - either re-name
      it if there is data, or remove it if there is no data.
      """
      if self.queue_file:
          size = self.queue_file.tell() # should be at the end of the file
          self.queue_file.close()
          if size == 0:

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fake_keyspace/SmallKeyValue histograms
Offset      SSTables     Write Latency      Read Latency          Row Size      Column Count
1           44655562                 0                 0                 0            995193
2            2242969               101                 0                 0              6265
3            1684179             18702                37                 0             12256
4            1061248             97878               403                 0              5972
5             560443            427836              1616                 0              6752
6             258567           1594598              6098                 0              6423
7             105135           4124889             14619                 0              5322
8              37038           7449003             27035                 0              5422

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# Cookbook Name::       kcb_cassandra
# Description::         Put platform-style config in the platform-style location
# Recipe::              knewton_conf
# Author::              Peter Norton
#
#
# XXX requires configuration from the chef-server to be there for the environment

%w{ aws environment }.each do |path|
  directory "#{node["knewton"]["conf_dir"]}/#{path}" do

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ruby_block "set_read_and_write_limits" do
  block do
    raidable_disks = []
    node["ec2"].each do |k, v|
      if (k =~ /^block_device_mapping_ephemeral/)
        dev_name = "/dev/" + v.sub('sd', "xvd")
        if File.exist?(dev_name)
          raidable_disks << dev_name
        end
      end

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#!/usr/bin/env python

import sys
import decimal
from decimal import Decimal
# Translated from netflix/priam

# MINIMUM_TOKEN = Decimal(0)
# MAXIMUM_TOKEN = Decimal(2) ** Decimal(127)

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. /opt/graphite/bin/activate
export PYTHONPATH=$PYTHONPATH:/opt/graphite/webapp
cd /shared_space/graphite-web
pip install . -U
cp ~/app_settings.py /opt/graphite/webapp/graphite/app_settings.py
cp ~/local_settings.py /opt/graphite/webapp/graphite/local_settings.py
/opt/graphite/bin/run-graphite-devel-server.py --port 8081 /opt/graphite

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```
carbon-relaj.core=> (time 
               #_=>  (doseq [c (range 10000)]
               #_=>         (spit "/tmp/spit-file" (str c "\n"))))
"Elapsed time: 8613.006 msecs"
nil
carbon-relaj.core=> 

carbon-relaj.core=> (time 
               #_=>  (let [fname "/tmp/with-open"]

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openssl s_client -connect foo:443 </dev/null 2>/dev/null | sed -n '/^-----BEGIN CERTIFICATE-----/,/-----END CERTIFICATE-----/p'  | openssl x509 -text