[LRUG] Sites drop off web

[Neil Middleton]

Connectivity?

Neil

On Friday, 22 July 2011 at 11:25, Andrew Stewart wrote:

> Hola El Rug,
> 
> I have several Rails/Sinatra sites on a couple of RHEL VPSs. Almost every day for several months at least, almost all the sites drop off the web for 2-4 minutes. I know this because Pingdom notifies me at 4.30am.
> 
> As you can imagine, it's annoying.
> 
> Initially I thought this was caused by Passenger log rotation but, when I looked into it this morning, I realised the times don't match up. Here are some details:
> 
> - Most sites go down most days.
> - The sites go down at 4.30am and are back up 2-4min later (Pingdom checks every minute).
> - The system cron runs its dailies, including logrotate, at 4.02am.
> - My crontab has nothing around 4.30am.
> - There's nothing in /var/log/cron around 4.30am.
> - There's nothing in the httpd error logs around 4.30am.
> - There's nothing in /var/log around 4.30am.
> 
> Does anyone have any ideas?
> 
> Thanks in advance,
> 
> Andy Stewart
> 
> -------
> http://airbladesoftware.com
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