| | Luigi | Airflow | Pinball |
| repo | github.com/spotify/lui… | github.com/airbnb/airf… | github.com/pinterest/p… |
| docs | luigi.readthedocs.org | airflow.readthedocs.org | none |
| review | bytepawn.com/luigi.html | bytepawn.com/airflow.htm… | bytepawn.com/pinball.htm… |
| github forks | 750 | 345 | 58 |
| github stars | 4029 | 1798 | 506 |
| github watchers | 319 | 166 | 47 |
| commits in last 30 days | lots of commits | lots of commits | 3 commits |
| architecture | | | |
| web dashboard | not really, minimal | very nice | yes |
| code/dsl | code | code | python dict + python code |
| files/datasets | yes, targets | not really, as special tasks | ? |
| calendar scheduling | no, use cron | yes, LocalScheduler | yes |
| datadoc'able [1] | maybe, doesn't really fit | probably, by convention | yes, dicts would be easy to parse |
| backfill jobs | yes | yes | ? |
| persists state | kindof | yes, to db | yes, to db |
| tracks history | yes | yes, in db | yes, in db |
| code shipping | no | yes, pickle | workflow is shipped using pickle, jobs are not? |
| priorities | yes | yes | ? |
| parallelism | yes, workers, threads per workers | yes, workers | ? |
| control parallelism | yes, resources | yes, pools | ? |
| cross-dag deps | yes, using targets | yes, using sensors | yes |
| finds new deployed tasks | no | yes | ? |
| executes dag | no, have to create special sink task | yes | yes |
| multiple dags | no, just one | yes, also several dag instances (dagruns) | yes |
| scheduler/workers | | | |
| starting workers | users start worker procceses | scheduler spawns workers processes | users start worker procceses |
| comms | scheduler's HTTP API | minimal, in state db | through master module using Swift |
| workers execute | worker can execute tasks that is has locally | worker reads pickled tasks from db | worker can execute tasks that is has locally? |
| contrib | | | |
| hadoop | yes | yes | yes |
| pig | yes | doc mentions PigOperator, it's not in the source | no |
| hive | yes | yes | yes |
| pgsql | yes | yes | no |
| mysql | yes | yes | no |
| redshift | yes | no | no |
| s3 | yes | yes | yes |
| source | | | |
| written in | python | python | python |
| loc | 18,000 | 21,000 | 18,000 |
| tests | lots | minimal | lots |
| maturity | fair | low | low |
| other serious users | yes | not really | no |
| pip install | yes | yes | broken |
| niceties | - | sla, xcom, variables, trigger rules, celery, charts | pass data between jobs |
| does it for you | | | |
| sync tasks to workers | no | yes | no |
| scheduling | no | yes | yes |
| monitoring | no | no | no |
| alerting | no | slas, but probably not enough | sends emails |
| dashboards | no | yes | yes |
