freebsd server limits question
ross.cameron at unix.net
Tue Jan 3 12:34:37 UTC 2012
Hi there Huhammet
What are the contents of the following files on you're CentOS 6.x shards ?
What version of MongoDB are you running, is it from packages (if so who's)
or is it self compiled?
Have you tried running the MongoDB shards on the most recent CentOS 5.x
If so what differences do you note, if any? This could help diagnose
the source of you're problems.
Also what is the current stack size of you're MongoDB shards (set via the
-s parameter) ?
And lastly what is the system load like at the heaviest transaction points
(vmstat and iostat can help you out there) ?
If this is a branded name server set what is the exact model and hardware
Are you running 32bit or 64bit instances of MongoDB on 32bit or 64bit
CentOS 6.x ?
eMail : ross.cameron at unix.net
Phone : +27 (0)79 491-9954
On Mon, Jan 2, 2012 at 9:12 PM, Muhammet S. AYDIN <whalberg at gmail.com>wrote:
> Hello everyone.
> My first post here and I'd like to thank everyone who's involved within the
> FreeBSD project. We are using FreeBSD on our web servers and we are very
> happy with it.
> We have an online messaging application that is using mongodb. Our members
> send messages to "the voice" show's (turkish version) contestants. Our two
> mongodb instances ended up in two centos6 servers. We have failed. So hard.
> There were announcements and calls made live on tv. We had +30K/sec
> visitors to the app.
> When I looked at the mongodb errors, I had thousands of these:
> http://pastie.org/private/nd681sndos0bednzjea0g. You may be wondering why
> I'm telling you about centos. Well, we are making the switch from centos to
> freebsd FreeBSD. I would like to know what are our limits? How we can set
> it up so our FreeBSD servers can handle min 20K connections (mongodb's
> connection limit)?
> Our two servers have 24 core CPUs and 32 GBs of RAM. We are also very open
> to suggestions. Please help me out here so we don't fail deadly, again.
> ps. this question was asked in the forums as well however as someone
> suggested in the forums, i am posting it here too.
> Muhammet S. AYDIN
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