The Arcive of Official vBulletin Modifications Site.It is not a VB3 engine, just a parsed copy! |
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#182
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Can you try to use
apc.slam_defense, try 80 or 90 maybe. and apc.file_update_protection = 5 Code:
apc.slam_defense On very busy servers whenever you start the server or
modify files you can create a race of many processes
all trying to cache the same file at the same time.
This option sets the percentage of processes that will
skip trying to cache an uncached file. Or think of it
as the probability of a single process to skip caching.
For example, setting this to 75 would mean that there is
a 75% chance that the process will not cache an uncached
file. So the higher the setting the greater the defense
against cache slams. Setting this to 0 disables this
feature.
(Default: 0)
apc.file_update_protection
When you modify a file on a live web server you really
should do so in an atomic manner. That is, write to a
temporary file and rename (mv) the file into its permanent
position when it is ready. Many text editors, cp, tar and
other such programs don't do this. This means that there
is a chance that a file is accessed (and cached) while it
is still being written to. This file_update_protection
setting puts a delay on caching brand new files. The
default is 2 seconds which means that if the modification
timestamp (mtime) on a file shows that it is less than 2
seconds old when it is accessed, it will not be cached.
The unfortunate person who accessed this half-written file
will still see weirdness, but at least it won't persist.
If you are certain you always atomically update your files
by using something like rsync which does this correctly, you
can turn this protection off by setting it to 0. If you
have a system that is flooded with io causing some update
procedure to take longer than 2 seconds, you may want to
increase this a bit.
(Default: 2)
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#183
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Hello orban
I tried this but same problem occured,and also load problem in my server since 1-2 month.Every 1-2 days server load jumping 150-160 than my mysql table is full,and a lot of error occured.Many ticket to my host and also report vbulletin.But since 1 week I had never problem,because uninstalled this product,load max 5-6 now. I don't know why but this product not good idea very high traffic board and big boards.I think some files or script hang in system. Thanks |
#184
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Quote:
Files don't "hang", there is a file lock protection in place. You can have a look at the code, there is nothing that can possibly go wrong. (Unless you use special file systems that don't support file locking, like NFS.) I was running this addon with a board with 3000 users online on a single server (250 requests/second, 150gb traffic on that day I think) load was between 10 and 20. Also on daily use with 400-1000 users online with a load between 0.5 and 2. I am using this with great success and as you can see a lot of people use it without any problems too. I would advise you to try xcache instead of APC or install the newest APC version if you don't have already. This must be a misconfiguration on your side or a particular bug on your server. |
#185
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I'm using APC 3.0.13 Development series,is xcache support PHP 5.2.0 and 64bit OS ?
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#186
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I don't know, maybe try to ask their irc channel. (irc://irc.freenode.net/lighttpd)
Also if you are using APC-dev it might be a bug. |
#187
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I'm running Fedora Core64 w/ PHP5 on my dedicated server AND running this. Works well.
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#188
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i am running FreeBSD 6 RELEASE with lighttpd and xcache and running this plugin and it works great
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#189
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thanks, just installed on 3.6.3, and it works great
EDIT: problem :-/ when i go to the page without index.php at the end, it just ends at a blank EDIT2: I got rid of that by deleting the index.html page, is that ok? |
#190
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Which version, xcache 1.0.3 or 1.2.0 (unstable)
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#191
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What exactly was your problem? When going to what page it was blank?
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