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03/20 site hardware restarted - connect problems possible

 
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bringoutyourdead
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Joined: 07 Nov 2008
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Location: Silicon Valley, CA, USA
WR Updates: 9,175,929
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PostPosted: Fri Mar 20, 2015 12:18 pm    Post subject: 03/20 site hardware restarted - connect problems possible Reply with quote

Metalbeast spotted some background problems that lead to some concern.
He modified some of the database engine configuration settings and did other system/network changes and restarted the hardware.

This means our in memory data cache was cleared and will take time to reestablish back to what we had before.
In other words.. the system won't be as fast for the next day or so.. as queries will need to go back to hard drives for resolution.

If you see unable to connect or error 70 or other errors indicating database issues.. just try again in a minute or two.

Sorry for the issues but preventative maintenance now saves bigger issues down the road.
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bringoutyourdead
Forums Admin & general flunky


Joined: 07 Nov 2008
Posts: 1160
Location: Silicon Valley, CA, USA
WR Updates: 9,175,929
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PostPosted: Fri Mar 20, 2015 3:31 pm    Post subject: Reply with quote

As I have mentioned before we are participants in a war.
The Internet is the battle ground between good actors and bad actors.

Around the 1st of the year I had spotted the shift of spammers to using the TOR networks to hide their locations.
Recently Metalbeast has noticed a new shift in tactics that is impacting our site.
New bots (or old bots that have been modified) are ignoring the rules and slamming through pages that they shouldn't be impacting [if they followed the Internet RFC standards.]

Since many of the pages that can be displayed at the site are dynamically created from database stored information, this shift is hurting performance.

As a very temporary defense, Metalbeast has disabled some of the pages (CHARSHEET.php and GUILDSHEET.php for example.) These pages will remain unreachable until Metalbeast updates some of the defense mechanisms.

This isn't just impacting Warcraftrealms.com... but many servers across the internet.
I expect his monitoring staff first picked up the problem as they watched over the many sites they service on the ISP(s) that Metalbeast owns.
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