CRIN Trac: Ticket Query

#103: Upgrade CRIN4 to 2GB of RAM

chris — Thu, 16 Mar 2017 09:37:21 GMT

Ticket to track the upgrading of Crin4 from 1GB to 2GB of RAM.

#113: MySQL Performance

chris — Tue, 25 Apr 2017 11:22:11 GMT

MySQL is set to use a lot of resources, see the RAM allocation here:

https://munin.crin.org/munin/crin.org/crin1.crin.org/multips_memory.html

And also a lot of queries are cached via memcache, which also has a lot of RAM allocated, see:

https://munin.crin.org/munin/crin.org/crin2.crin.org/multips_memory.html

What can we do to make it quicker?

See also the work done when the server was setup on ticket:9

#114: Update TLS certs for MySQL

chris — Fri, 05 May 2017 12:20:04 GMT

The TLS certs for MySQL connections between the servers are due to expire on 7th May 2017 so need to be updated.

Peter, Russell, I have added you just so you know this is happening, it'll involve restarting MySQL when the new keys and certs are in place, so there might be a few moments of site downtime, but I'll do this on the dev/staging sever first.

#100: crin.org site down

chris — Sat, 18 Feb 2017 11:38:48 GMT

Russell, what's up? I'm really sorry I have to go out in 5 mins so I'm not around to help, what has gone wrong?

#120: crin2 mail queue

chris — Thu, 15 Jun 2017 18:36:04 GMT

There is a mail queue on Crin2, we haven't had one of these for ages, Munin reports:

crin.org :: crin2.crin.org :: Exim Mailqueue

WARNINGs: frozen mails is 171.00 (outside range 100). OKs: queued mails is 230.00.

Graph here:

https://munin.crin.org/munin/crin.org/crin2.crin.org/exim_mailqueue.html

Anyone know if this is something to be concerned about?