Memory usages keep increasing even when the delayed_job is idling

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kevin hq

May 10, 2020, 11:32:15 AM5/10/20
to delayed_job
Ruby 2.7.1
DJ 4.1.8

So, it's increasing in few hours or days - even when the worker is not processing any jobs.
We only run 6 workers.
Those workers always killed by OS automatically when its memory usage keeps increasing.

Is there anyone here who's already fix it?

Because I also see many people reports this issue but it looks like there's no final conclusion yet. => the guy moved to sidekiq. We planned this too but our codes already coupled with delayed_job heavily. Moving to sidekiq will be really a huge job for us. => tried some solutions there but doesn't work for our case.

Alexandre Roger

Nov 26, 2020, 4:05:44 PM11/26/20
to delayed_job
we have the same problem here we are updating ruby version 
app was on  ruby-2.1.6   with  * rails (4.2.6) and  * delayed_job (4.1.2)  after a long time (~1 year uptime) 168Mb of ram is used
desired target is  ruby-2.7.1    * rails (5.2.0) and  * delayed_job (4.1.8)  after 3 hours 1.4 Gb of ram is used...

if you find the answer let us know...  will start looking at sidekiq...

Nov 26, 2020, 7:39:54 PM11/26/20
to delayed_job

In our case, there are many failed jobs that's always repeated. This causes memory usages hikes up. After we take care of those repeated failed jobs, we're good now.
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