Hi Stephen, Thank you for the quick reply. I found the issue and fixed it. The flood of .mbox.gz archive export requests from web crawlers overloaded uWSGI workers, leading to instability.
Kind regards, Prasanth On Sat, 5 Apr 2025 at 19:52, Stephen J. Turnbull <st...@turnbull.jp> wrote: > Prasanth Nair writes: > > > Our Mailman3 server crashes with OOM and high CPU usage. As soon as we > > start the mailmanweb service (uwsgi process), the system crashes. It was > > working fine, but this issue started recently. We haven't changed any > > recently. > > > > Any idea how to fix this? > > You're not giving us anything to work with, except "get more memory > for the server". > > > or any suggestions? > > By "system crashes" do you the Mailman system, or does it take the OS > with it? > > By "no changes" do you mean no change to Mailman, or do you mean > *nobody* has touched *anything* on the system recently (no new > applications, no upgrades of existing applications or system daemons, > etc)? > > Tell us system resource limits. Limited CPU should not cause a crash, > and I'm not aware of reports that CPU was a limiting factor in a > Mailman problem. But a Mailman 3 system needs at least 2GB of memory > to function properly unless you're really crafty about configuring it, > and 4GB to be really comfortable. Do you have swap enabled? If not, > 2GB-4GB of swap should get you past the crash, although if there > really is that much memory pressure performance will probably be > terrible. > > Check mailman.log, mailmanweb.log, error.log (usually in > .../mailman/var/logs). I don't know what you're looking for, so start > by looking at many pages of logs when mailman was working normally. > Then look at the recent ones when it started crashing, and just report > "anything that looks different". > > Check memory usage and CPU load just before starting mailmanweb. > > Steve > > _______________________________________________ Mailman-users mailing list -- mailman-users@mailman3.org To unsubscribe send an email to mailman-users-le...@mailman3.org https://lists.mailman3.org/mailman3/lists/mailman-users.mailman3.org/ Archived at: https://lists.mailman3.org/archives/list/mailman-users@mailman3.org/message/JRXZZEDMNFXMFXYLJE4UU6VT3DKJTW4X/ This message sent to arch...@mail-archive.com
