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@benfyvie
benfyvie / object_diagnostics.rb
Created December 22, 2011 17:30 — forked from eric/object_diagnostics.rb
Tools for debugging memory bloat using Ruby's built in ObjectSpace
module ObjectDiagnostics
extend self
#This is handy when you want to determine what types of objects are contributing to memory bloat
#returns the change in object counts since the last time this method was called
def change_in_object_counts
#this will start all counts at 0 for the initial run
@previous_counts ||= Hash.new(0)
@bkimble
bkimble / gist:1365005
Last active May 2, 2024 01:27
List local memcached keys using Ruby
#!/usr/bin/env ruby
# List all keys stored in memcache.
# Credit to Graham King at http://www.darkcoding.net/software/memcached-list-all-keys/ for the original article on how to get the data from memcache in the first place.
require 'net/telnet'
headings = %w(id expires bytes cache_key)
rows = []
@unnitallman
unnitallman / gist:944011
Created April 27, 2011 10:11
sqlite with activerecord outside rails
require 'active_record'
ActiveRecord::Base.logger = Logger.new(STDERR)
ActiveRecord::Base.colorize_logging = false
ActiveRecord::Base.establish_connection(
:adapter => "sqlite3",
:dbfile => ":memory:"
)