On 05/17/2017 03:27 PM, Jeremy Cline wrote: > Hello everyone, > > People have noticed that they aren't getting some FMN notifications, so > I spent the afternoon tracking down the issue. It looks as though the > redis instance on notifs-backend01.phx2.fedoraproject.org is configured > to persist to disk (this is apparently the default config, which is > surprising to me). In addition, dogpile.cache is apparently not setting > a TTL on keys despite being configured to do so. > > All this means that everything in the FMN redis cache is _really_ stale > and contains invalid objects. For example, the packages a user has ACLs > on is cached as a set currently, but the latest version of FMN expects > a dictionary. This leads to messages not getting sent that should have > been sent. > > I would like to delete the persisted database (/var/lib/redis/dump.rdb) > and restart redis to wipe the cache. FMN does not like redis going down > so the workers and backend will likely need to be restarted, and because > of a different caching issue[0] this will likely take around an hour > (messages won't be lost, they'll just build up in the rabbitmq queue). > > [0] https://github.com/fedora-infra/fmn/pull/190 > > +1s? +1 here. Do it. kevin
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