zfsonlinux/zfs — pull request #2826 by behlendorf (2014-10-23 23:07:37+00:00)
Title: Reduce dbuf_find() mutex contention

Due to evidence of contention both the buf_hash_table and the
dbuf_hash_table sizes have been increased from 256 to 8192.

Signed-off-by: Brian Behlendorf
Issue #1291