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+-- Forum: Technical section (https://www.likera.com/forum/mybb/Forum-Technical-section)
+--- Forum: Site (https://www.likera.com/forum/mybb/Forum-Site)
+--- Thread: Site performance, Server errors, outages and tunings (/Thread-Site-performance-Server-errors-outages-and-tunings)
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RE: server error, address not available - Like Ra - 22 Jan 2011
And now it does not ;-D
RE: server error, address not available - Like Ra - 22 Jan 2011
Unbelievable ... If it was what I think it was ...
"Block Top Spammers" plugin and huge ACL in .htaccess ... But I need to test more...
RE: server error, address not available - Like Ra - 22 Jan 2011
Aaaaaaaand I'm wrong again!!!
Suddenly the load jumps from 1 to 40 or something. Lots of php and httpd processes ...
RE: server error, address not available - Like Ra - 22 Jan 2011
No correlations left. The server dies for no reason, not it's alive for no reason.
RE: server error, address not available - Like Ra - 22 Jan 2011
Decreased the lifetime of the related daemons, disabled not important extensions, upgraded WordPress to the next RC2. Checked the queries - nothing strange there.
RE: server error, address not available - Like Ra - 22 Jan 2011
My last version is - one post with almost 100 images in it. Deleted a half. Let's see...
RE: server error, address not available - Like Ra - 22 Jan 2011
As soon as I deleted 3/4 ofthe pictures, the load jumped to 16. No, think harder ...
RE: server error, address not available - Like Ra - 23 Jan 2011
I'm not the only one, but it does not help: http://wordpress.org/support/topic/load-spikes-any-ideas
RE: server error, address not available - Like Ra - 23 Jan 2011
I think I understand what's going on (ha-ha, yes, again 😉 ). Burst load -> chain reaction. Several simultaneous requests + cron starts a java application (disabled now) + exim spawns spamassassin (disabled and forwarded) what leads to a burst memory requirement. No memory -> SWAP -> disk overload.
RE: server error, address not available - Like Ra - 23 Jan 2011
And this is a disadvantage of VPS. Shared servers are more suitable for burst loads (not simultaneous, of course 😉