测试bind dlz filesystem Driver
刚测试了bind9 dlz的filesystem驱动，性能还是不如意，不敢用~回头再测试一下其他的驱动。也可以去官方查看测试结果：http://bind-dlz.sourceforge.net/perf_tests.html
最后贴一下我的测试数据：
测试机器：pe2950，8G内存
文件：XFS
测试结果：
./queryperf -d t3.txt -s 192.168.11.92
DNS Query Performance Testing Tool
Version: $Id: queryperf.c,v 1.12 2007/09/05 07:36:04 marka Exp $
[Status] Processing input data
[Status] Sending queries (beginning with 192.168.11.92)
Query type not understood: IN
Error parsing query: shop IN
[Status] Testing complete
Statistics:
Parse input file: once
Ended due to: reaching end of file
Queries sent: 462 queries
Queries completed: 462 queries
Queries lost: 0 queries
Queries delayed(?): 0 queries
RTT max: 0.071009 sec
RTT min: 0.000738 sec
RTT average: 0.029610 sec
RTT std deviation: 0.013134 sec
RTT out of range: 0 queries
Percentage completed: 100.00%
Percentage lost: 0.00%
Started at: Sat Feb 28 16:51:52 2009
Finished at: Sat Feb 28 16:51:53 2009
Ran for: 0.698608 seconds
Queries per second: 661.315072 qps
与纯粹用bind的zone文件的测试结果差不多差30多倍。寒~