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Board » Technical Support » Recent server outages

Posted by
hmm


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118
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2011-11-03 13:35:22
2012-11-03 16:56:42 - Recent server outages
Details of the recent server outages experienced on Thursday 2012-11-01 and Saturday 2012-11-03:

The first outage was because of the disk space filled up and the server was down 17:57 - 18:13 (16 minutes) until I was able to free up some space and restart the server.

The second outage was because a really rare coincidence with the server processes caused the sailing engine watchdog not to restart the process when it had died. The server was down 15:04 - 15:12 (8 minutes).

The server disk space running out was a really stupid mistake by me. I had checked it just week before and thought that there would be enough for two weeks. However, I have now already put in place a monitoring system which warns admins by email if the disk space is up to 90% usage.

I have also identified the reason for the second outage, it can happen basically one time of 1000 in a situation when the sailing engine needs to be restarted. Now that I know the reason I will fix it to be more robust.

I am really sorry for the inconvenience caused by these problems. To my knowledge the server has been down by our fault only these 2 times since June for total of 24 minutes. Our server provider also had an longer outage (few hours, I think) but even with that I can say that the uptimes sailonline.org has could be envied by much larger and more professional web services.
Posted by
Sebensa


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70
Registered at
2010-10-06 14:50:36
2012-11-05 17:16:14 - Re: Recent server outages
Markku, totally accepted by me, very well done from my point of view, a few minutes down cost me about 25 places at that spot - if not needing to gybe, would have had very little impact
Please keep your fantastic standards of delivery
Regards
Sebensa

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