stop saying mysql is a good choice for performance

diff --git a/docs/performance.rst b/docs/performance.rst
index 980f6338c28fd676c927d9997234804920166767..610b8965f6788f7dae14dd77aa0df2e2718228b0 100644 (file)
--- a/docs/performance.rst
+++ b/docs/performance.rst
@@ -1,9 +1,10 @@
 Performance and Tuning
 ======================
 
-In general, best performance is achieved on recent Linux 4.x kernels and
-using MySQL, although many of the largest PowerDNS installations are
-based on PostgreSQL. FreeBSD also performs very well.
+In general, best performance is achieved on recent Linux kernels with
+the bindbackend, or if something more database-like is preferred,
+the LMDB backend. Meanwhile many of the largest PowerDNS installations are
+based on PostgreSQL or MySQL.
 
 Database servers can require configuration to achieve decent
 performance. It is especially worth noting that several vendors ship