[dm-devel] [for-3.19 PATCH v2 01/17] dm bufio: switch from a huge hash table to an rbtree

Joe Thornber thornber at redhat.com
Wed Oct 22 09:41:09 UTC 2014


On Tue, Oct 21, 2014 at 06:48:00PM -0400, Mikulas Patocka wrote:
> I wonder if we need this patch if it doesn't really help performance.

I wasn't concerned with performance.  I just thought it absurd that
bufio was evicting all my metadata yet using 8m per client for a hash
table.

- Joe




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