performance.open-behind=on
performance.write-behind=off
performance.stat-prefetch=off
performance.quick-read=off
performance.strict-o-direct=on
performance.read-ahead=off
performance.io-cache=off
performance.readdir-ahead=off
performance.client-io-threads=on
server.event-threads=4
client.event-threads=4
performance.read-after-open=yes