lee

//Example data...
{ 
  LivePicsImpressionsDaily : {  //column family
    54 : { // row (pic id)
      timeuuid : 54  // 54 views on this day
      // ... other columns, one for each day (or 10-min period)
    }
  }
}

lee

-- monitor memory usage
  check process unicorn_worker0
  with pidfile unicorn_worker0.pid
  if mem > 280.0 MB for 2 cycles then exec "/bin/bash -c '/bin/kill -3 `cat unicorn_worker0.pid` && sleep 1'"

-- write a worker pid in unicorns after_fork |server, worker|
  worker_pid = File.join(File.dirname(server.config[:pid]), "unicorn_worker#{worker.nr}.pid")
  File.open(worker_pid, "w") { |f| f.puts Process.pid }

lee

# This stuff is from a Rails 2 app, but I don't think *too* much has changed in 3.0

class MaintenanceMigrator < ActiveRecord::Migrator
  def self.schema_migrations_table_name
   "#{super}_maintenance"
  end
end

# To Run
MaintenanceMigrator.migrate("db/maintenance/")

lee

ey web disable -e weplay_p                   # SITE DOWN

ey ssh -e weplay_p --utilities=redisslave    # ssh redisslave
sudo monit stop redis                        # stop redis slave

ey ssh -e weplay_p --utilities=redismaster   # ssh redismaster
sudo monit stop redis                        # stop redis master
sudo monit start redis                       # start redis master
tail -f /data/redis/redis.log                # wait for log output to indicate dataset is loaded
                                             # This should take about 4 minutes

lee

[x] ey recipes upload -e CLOUD_ENV         # upload the latest recipes, including the redis upgrade

[x] ey web disable -e CLOUD_ENV            # take the site down

[x] ey rebuild -e CLOUD_ENV                # run all of EYs recipes (installs a gem)
                                           # and our custom recipes (install redis)

[x] sudo monit stop redis on redisslave    # stop redis 1.2.2, use ps to ensure it has exited
[x] sudo monit stop redis on redismaster

lee

# code in cookbooks/main/definitions/ey_cloud_report.rb
if node[:output_cloud_reporting_locally]
  # output locally with "puts" statements
else
  # use engineyard's specialized reporting
end

lee

function parse_git_branch {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/'
}

function proml {
  local        BLUE="\[\033[0;34m\]"
  local         RED="\[\033[0;31m\]"
  local   LIGHT_RED="\[\033[1;31m\]"
  local       GREEN="\[\033[0;32m\]"
  local LIGHT_GREEN="\[\033[1;32m\]"