On Tue, May 26, 2009 at 11:29:08PM +0200, Marco Walraven wrote: > We are testing a Varnish Cache in our production environment with a 500Gb > storage file and > 32Gb of RAM. Varnish performance is excellent when all of the 32Gb is not > allocated yet. > The rates I am seeing here are around 40-60Mbit/s, with roughly 2.2M objects > in cache and > hitting a ratio of ~0.65, even then Varnish can handle it easily. However it > is still > warming up since we have a lot of objects that need to be cached. > > The problem I am facing is that as soon as RAM is exhausted Varnish restarts > itself. > Since this looked like an IO problem, we dropped ext2 in favour of xfs with > much > better results on writing to disk. However varnishd still stops working after > it get > to the 32G RAM limit. Note that I don't see any IO until just before it hits > the 97% of > RAM usage.
Can you post the arguments you use to start varnish? -- Kristian Lyngstøl Redpill Linpro AS Tlf: +47 21544179 Mob: +47 99014497
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