[LRUG] Sites drop off web

[Jared Patterson]

Is there some sort of Virtual Server image backup that runs during that time …. ?

From: chat-bounces at lists.lrug.org [mailto:chat-bounces at lists.lrug.org] On Behalf Of Neil Middleton
Sent: 22 July 2011 11:27
To: London Ruby Users Group
Subject: Re: [LRUG] Sites drop off web

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

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http://airbladesoftware.com
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