kaxil edited a comment on issue #5743: [AIRFLOW-5088][AIP-24] Persisting serialized DAG in DB for webserver scalability URL: https://github.com/apache/airflow/pull/5743#issuecomment-527411119 > How about instead of a background thread (I'm wary of using threads in python) could we instead query the last modified time of the serialised dag on each request? > > i.e. when asking for dag X we check if dag X has been updated in the db since we last loaded it? How about this -> https://github.com/kaxil/airflow/commit/d2ec5371ae987ff87f60ee6b0143eb66dd5dc1e7 , https://github.com/kaxil/airflow/commit/399dd656427e5d46e863fc2e7c0dda3b788fd8ed , https://github.com/kaxil/airflow/commit/c6a53b34b372466bf1a6a6f906d736284a115f55? cc @coufon
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