On Fri, Oct 11, 2019 at 09:52:20AM -0400, Stephen John Smoogen wrote: > Currently the load on db-koji is 140+ and it is slow and > non-responsive to users. I believe it is the below change which has > affected this. I would like to lower down io to 32 to see if that > affects things and tune further if needed. I am not doing this until > Kevin or Patrick are around as it will affect koji and there is an > order needed > > diff --git a/roles/postgresql_server/templates/postgresql.conf > b/roles/postgresql_server/templates/postgresql.conf > index cbaaaae..341340c 100644 > --- a/roles/postgresql_server/templates/postgresql.conf > +++ b/roles/postgresql_server/templates/postgresql.conf > @@ -504,4 +504,4 @@ default_text_search_config = 'pg_catalog.english' > #custom_variable_classes = '' # list of custom variable class names > # > # Number of concurrent i/o operations at the same time. The default is 1. > -effective_io_concurrency = 100 > +effective_io_concurrency = 32 We could try it, but I am not sure that would do the trick. It was doing this before I had that value set... The issue started around the time we upgraded to 1.18.0 koji, and also added memory, so it's hard to know what change really caused it. I guess we can try it, but I'd like to investgate some more today and see if I can figure out a reason for this. I did kill the existing dump. I'm trying a different dump setting to see if it cause anything. kevin
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