I'm running a zen Based VPS at blacknight with some, relatively speaking, low traffic sites.
I upgraded one of those sites to Drupal 6 this morning, and now the server seems to have gone haywire.
I'd appreciate any advice as to how to recover the situation.
One of the sites is www.athenryac.com, and judging from the browser, a connection is being made to the server,
and it is is either extremely slow, or just times out.
Even ssh access is very slow.
The server is running Ubuntu 8.4.01
with APC installed.
Phpinfo, and my.cnf pasted below.
I've noted two things which others might be able to explain for me.
Running htop - it show that on the server, many of the CPUs running at 100%.
Many Apache processes seem to be running at 100%.
Running netstat -t shows a whole heap of connections coming from what looks like a yahoo crawler.
But again, perhaps this is normal...
Screenshot also attached
The server was running fine up till today, and as I learn my way with server administration,
I didn't make any huge changes.
I've been slowly changing MySQL conf based on the tuning script at
I have left Apache config as default.
[I should point out, I tried changing a lot of things in apache config (increasing max clients, decresing timeout values etc) to recover the situation, but as it did nothing useful to help I went back to square one].
Something somewhere is wrong, So any help appreciated.
from php -i
Information in a extra.cnf, within the /etc/mysql/conf.d directory
character-set-server = utf8
default-collation = utf8_unicode_ci
table_cache = 512
max_heap_table_size = 48M
tmp_table_size = 392M
query_cache_limit = 6M
query_cache_size = 64M
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