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mojolicious / minion

:octopus: Perl high performance job queue

Home Page:https://metacpan.org/release/Minion

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Minion::Backend::Pg is DELETE waiting

xiaocang opened this issue · comments

commented
  • Minion version: 5.08
  • Perl version: 5.22
  • Operating system: CentOS release 6.5 (Final)

Steps to reproduce the behavior

perl ./script/minion_example minion worker -j 20

(worker number is 20)

Expected behavior

Actual behavior

postgresql is stuck on DELETE waiting

postgres 16695 16649  0 11:30 ?        00:00:00 postgres: minion minion_jobs_20160613 10.162.63.17(39757) idle
postgres 16696 16649 33 11:30 ?        00:15:48 postgres: minion minion_jobs_20160613 10.162.63.17(39758) DELETE
postgres 18112 16649  1 11:41 ?        00:00:40 postgres: minion minion_jobs_20160613 127.0.0.1(42078) DELETE waiting
postgres 19751 16649 74 11:55 ?        00:15:47 postgres: minion minion_jobs_20160613 10.162.63.17(44214) DELETE
postgres 19937 16649  3 11:57 ?        00:00:40 postgres: minion minion_jobs_20160613 10.162.63.17(45155) DELETE waiting
postgres 19944 16649  3 11:57 ?        00:00:40 postgres: minion minion_jobs_20160613 10.162.63.17(45334) DELETE waiting
root     20156 20150  0 11:58 ?        00:00:00 perl /opt/app/edge_api/script/edge_api minion worker -j 20
postgres 20178 16649  0 11:58 ?        00:00:00 postgres: minion minion_jobs_20160613 127.0.0.1(44288) idle
postgres 20179 16649  3 11:58 ?        00:00:40 postgres: minion minion_jobs_20160613 127.0.0.1(44289) DELETE waiting
postgres 20406 16649  0 12:00 ?        00:00:00 postgres: minion minion_jobs_20160613 10.162.63.17(46778) idle
postgres 20407 16649  0 12:00 ?        00:00:00 postgres: minion minion_jobs_20160613 10.162.63.17(46779) idle
postgres 21138 16649  0 12:06 ?        00:00:00 postgres: minion minion_jobs_20160613 10.162.63.17(50022) idle
postgres 21139 16649  0 12:06 ?        00:00:00 postgres: minion minion_jobs_20160613 10.162.63.17(50023) DELETE waiting
commented

Minion does not perform DELETE operations in worker processes.