On Mon, Jan 02, 2012 at 07:18:24PM +0100, Gael Varoquaux wrote: > > BTW, another cleaner, faster way to empty the OS filesystem cache is this:
> > sudo echo 3 | sudo tee /proc/sys/vm/drop_caches > > [ from http://ubuntuforums.org/showthread.php?t=589975 ] > That's useful! And it works much better to clean the cache. The results with this method differ a bit, and I trust them much more. I have uploaded the graphes on my blog post draft. The gain in reading time due to compression seems a bit smaller. I believe this is because compression was helping the data to stay in cache, but I am still wrapping my head around the results. Gael ------------------------------------------------------------------------------ Ridiculously easy VDI. With Citrix VDI-in-a-Box, you don't need a complex infrastructure or vast IT resources to deliver seamless, secure access to virtual desktops. With this all-in-one solution, easily deploy virtual desktops for less than the cost of PCs and save 60% on VDI infrastructure costs. Try it free! http://p.sf.net/sfu/Citrix-VDIinabox _______________________________________________ Pytables-users mailing list Pytables-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/pytables-users