Hi guys,
I have installed ATS-2.0.1 and done some stress test with web
polygraph. I found a interesting thing that when I set server
sending 100% cachable objects and client to made 50% revisit
to the url it has visited, object size is about 15KB.
Both ATS and Squid have perfect hit rate. However, squid runs
faster because it has many TCP_MEM_HIT meanwhile ATS seems
always read&write disks (cache.db). I used systemtap to trace
traffic_server and found I/O on cache.db about 10MB/s, which is
considerable on my SATA disk. Squid seldom reads or writes
disk.
I am sure I modified following config:
proxy.config.cache.ram_cache.size 536870912
Disk cache is 1GB.
Is there any other thing I have to change to enable ATS utilize
more memory?
Thanks
-Zirui
