Changelog

2.0.2 – 2010-04-08

Fixes to Mongo Mapper backend [ 14be7a24, dafd5f46, 54d40913 ]
DataMapper backend performance improvements [ 93833cce, e9b1573e, 37a16d11, 803f2bfa ]
Fixed Delayed::Command to create tmp/pids directory [ 8ec8ca41 ]
Railtie to perform Rails 3 initialization [ 3e0fc41f ]
Added on_permanent_failure hook [ d2f14cd6 ]

Multiple backend support (See README for more details)
Added MongoMapper backend [zbelzer, moneypools]
Added DataMapper backend [lpetre]
Reverse priority so the jobs table can be indexed. Lower numbers have higher priority. The default priority is 0, so increase it for jobs that are not important.
Move most of the heavy lifting from Job to Worker (#work_off, #reschedule, #run, #min_priority, #max_priority, #max_run_time, #max_attempts, #worker_name) [albus522]
Remove EvaledJob. Implement your own if you need this functionality.
Only use Time.zone if it is set. Closes #20
Fix for last_error recording when destroy_failed_jobs = false, max_attempts = 1
Implemented worker name_prefix to maintain dynamic nature of pid detection
Some Rails 3 compatibility fixes [fredwu]

Set auto_flushing=true on Rails logger to fix logging in production
Fix error message when trying to send_later on a method that doesn’t exist
Don’t use rails_env in capistrano if it’s not set. closes #22
Delayed job should append to delayed_job.log not overwrite
Version bump to 1.8.5
fixing Time.now to be Time.zone.now if set to honor the app set local TimeZone
Replaced Worker::SLEEP, Job::MAX_ATTEMPTS, and Job::MAX_RUN_TIME with class methods that can be overridden.

Giangprosite_job