Hi, I am managing a busy cache with 1000 active users. There server is Dual Xeon 2.2 GHz / 2304MB RAM and 6x36GB 10K RPM. Currently, I am using 2 disks for cache.
I am using 2.5.STABLE3 with aufs/reiserfs. The CPU utilization is peaking at 95% and above when the box does about 150+ req/sec. Can this box handle more traffic ? Here are the stats sample_start_time = 1063811461.622799 (Wed, 17 Sep 2003 15:11:01 GMT) sample_end_time = 1063811761.643423 (Wed, 17 Sep 2003 15:16:01 GMT) client_http.requests = 146.689916/sec client_http.hits = 73.458283/sec client_http.errors = 0.000000/sec client_http.kbytes_in = 125.878013/sec client_http.kbytes_out = 801.084928/sec client_http.all_median_svc_time = 0.134979 seconds client_http.miss_median_svc_time = 1.461314 seconds client_http.nm_median_svc_time = 0.009189 seconds client_http.nh_median_svc_time = 1.461314 seconds client_http.hit_median_svc_time = 0.016481 seconds dns.median_svc_time = 0.163043 seconds unlink.requests = 0.000000/sec page_faults = 0.379974/sec select_loops = 107.452613/sec select_fds = 951.731238/sec average_select_fd_period = 0.001049/fd median_select_fds = 6.972656 swap.outs = 18.715380/sec swap.ins = 87.477320/sec swap.files_cleaned = 0.000000/sec aborted_requests = 9.106041/sec syscalls.polls = 151.242936/sec syscalls.disk.opens = 0.000000/sec syscalls.disk.closes = 0.000000/sec syscalls.disk.reads = 0.000000/sec syscalls.disk.writes = 99.966461/sec syscalls.disk.seeks = 0.000000/sec syscalls.disk.unlinks = 0.000000/sec syscalls.sock.accepts = 97.243315/sec syscalls.sock.sockets = 57.489381/sec syscalls.sock.connects = 56.899422/sec syscalls.sock.binds = 56.959418/sec syscalls.sock.closes = 120.631707/sec syscalls.sock.reads = 516.214512/sec syscalls.sock.writes = 451.912266/sec syscalls.sock.recvfroms = 10.835922/sec syscalls.sock.sendtos = 6.059583/sec cpu_time = 292.290000 seconds wall_time = 300.020624 seconds cpu_usage = 97.423302%
