High Server Load Averages?

Artur Bergman sky at crucially.net
Thu Apr 9 21:18:22 CEST 2009

For the file storage or for the shmlog?

When do you start nuking/expiring from disk? I suspect the load goes  
up when you run out of storage space?


On Apr 9, 2009, at 12:02 PM, Cloude Porteus wrote:

> Has anyone experienced very high server load averages? We're running  
> varnish on a dual core with 8gb of ram. It runs okay for a day or  
> two and then I start seeing load averages in 6-10 range for an hour  
> or so, drops down to 2-3, then goes back up.
> This starts to happen once we have more items in the cache than our  
> physical memory. Maybe increasing our lru_interval will help? It's  
> currently set to 3600.
> Right now we're running with a 50gb file storage option. There are  
> 270k objects in the cache, 70gb virtual memory, 6.2gb of res memory  
> used, 11gb of data on disk in the file storage. We have a 98% hit  
> ratio.
> We followed Artur's advice about setting a tmpfs and creating an  
> ext2 partition for our file storage.
> I also tried running with malloc as our storage type, but I had to  
> set it at a little less than half of our physical ram in order for  
> it to work well after the cache got full. I don't understand why the  
> virtual memory is double when I am running in malloc mode. I was  
> running it with 5gb and the virtual memory was about 10-12gb and  
> once it got full it started using the swap memory.
> Thanks for any help/insight.
> best,
> cloude
> -- 
> VP of Product Development
> Instructables.com
> http://www.instructables.com/member/lebowski
> _______________________________________________
> varnish-dev mailing list
> varnish-dev at projects.linpro.no
> http://projects.linpro.no/mailman/listinfo/varnish-dev

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://www.varnish-cache.org/lists/pipermail/varnish-dev/attachments/20090409/25f9bb25/attachment-0001.html>

More information about the varnish-dev mailing list