Re: daily latency spike

2015-11-03 Thread Paul B. Henson
On Sun, Nov 01, 2015 at 06:15:09PM -0800, Paul B. Henson wrote: > down. Interestingly, this daily outage seems to happen every 24 hours > based on when the services were last restarted. We finally tracked this down; it was openldap purging the accesslog which was configured to take place every 24

RE: daily latency spike

2015-11-02 Thread Paul B. Henson
> From: Russ Allbery > Sent: Sunday, November 01, 2015 8:25 PM > > I assume you've already looked for daily cron jobs? It's common for LDAP > servers to take a nightly LDIF dump for backups, for example, which would > cause symptoms like this. The latency occurs every 24 hours from when the serv

Re: daily latency spike

2015-11-01 Thread Russ Allbery
"Paul B. Henson" writes: > We currently have two kerberos realms, each consisting of three systems > (1 physical box and 2 virtual machines). For a while now we've been > having an issue where once a day, almost exactly every 24 hours, the two > physical boxes have a latency spike and don't respo

daily latency spike

2015-11-01 Thread Paul B. Henson
We currently have two kerberos realms, each consisting of three systems (1 physical box and 2 virtual machines). For a while now we've been having an issue where once a day, almost exactly every 24 hours, the two physical boxes have a latency spike and don't respond to authentication requests, to t