SPECweb99 Result =============================================================================== || Dell : PowerEdge 1750 || 6638 SPECweb99 Red Hat : Red Hat Content Accelerator 2.2 || || =============================================================================== PERFORMANCE | Conforming Simultaneous Iteration | Connections ---------------+---------------------------- 1 | 6640 2 | 6638 3 | 6633 ---------------+---------------------------- Median | 6638 =============================================================================== Availability Dates All Hardware Aug-2003 HTTP Software Nov-2002 Operating System Nov-2002 Supplemental System Jan-2003 Hardware Vendor Dell Model PowerEdge 1750 Processor 3.06GHz Intel Xeon Processor DP # Processors 2 cores, 2 chips, 1 core/chip (Hyper-Threading enabled) Primary Cache 12KBI+8KBD on chip Secondary Cache 512KB Other Cache 1MB L3 Memory 8 GB Disk Subsystem 2 36GB, 14 18GB 15KRPM Ultra320 drives Disk Controllers Onboard SCSI, Dell PowerVault 220S Other Hardware 4 Dell PowerConnect 5012 switches Software Operating System Red Hat Linux 8.0 File System ext2 Other Software Intel e1000 5.1.11 LSI Fusion-MPT 2.05.00 HTTP Software Vendor Red Hat HTTP Software Red Hat Content Accelerator 2.2 API RHCA API Server Cache None Log Mode Binary CLF Test Sponsor Test Date Aug-2003 Tested By Dell SPEC License 55 Network # of Controllers 2 Network Controllers Intel PRO/1000 MT Dual Port Server Adapter # of Nets 4 Type of Nets Gigabit Ethernet Network Speed 1 Gb/s MSL (sec) 30 (Non RFC1122) Time-Wait (sec) 60 (Non RFC1122) MTU 1500 Clients # of Clients 16 Model Dell PowerEdge 1550 Processor 1.26GHz Pentium III # of Processors 2 Memory 256MB Network Controller Intel PRO/1000 XT Operating System Microsoft Windows XP Compiler Microsoft Visual C++ 6.0 Benchmark Configuration Requested Connections 6640 Fileset Size (MB) 21369.52 =============================================================================== Notes/Tuning information SUT Notes 1 disk for OS, 1 disk logs (internal storage) 14-disk SW RAID-0 for file set (external storage attached to PowerVault 220S) Hyper-Threading enabled, Sequential Memory Access disabled Operating System Notes ulimit -n 10000, sets number of open files, default 1024 One NIC IRQ bound per logical CPU Each NIC's TX queue length set to 20000 via ifconfig, default 1000 File systems mounted with "noatime,nodiratime", no inode access time updating net.ipv4.nonlocal_bind = 1, allows processes to bind to non-local IP adresses net.ipv4.tcp_timestamps = 0, turns TCP timestamp support off, default on net.ipv4.tcp_max_tw_buckets = 1500000, sets TCP time-wait buckets pool size, default 180000 net.ipv4.tcp_rmem = 30000000 30000000 30000000, sets min/default/max TCP read buffer, default 4096 87380 174760 net.ipv4.tcp_wmem = 30000000 30000000 30000000, sets min/pressure/max TCP write buffer, default 4096 16384 131072 net.ipv4.tcp_mem = 30000000 30000000 30000000, sets min/pressure/max TCP buffer space, default 31744 32256 32768 net.ipv4.tcp_sack = 0, turn SACK support off, default on net.ipv4.tcp_dsack = 0, turn DSACK support off, default on net.ipv4.tcp_window_scaling = 0, turn TCP window scaling support off, default on net.core.hot_list_length = 300000, maximum number of skb-heads to be cached, default 128 net.core.rmem_max = 10000000, maximum receive socket buffer size, default 131071 net.core.wmem_max = 10000000, maximum send socket buffer size, default 131071 net.core.rmem_default = 10000000, default receive socket buffer size, default 65535 net.core.wmem_default = 10000000, default send socket buffer size, default 65535 net.core.optmem_max = 10000000, maximum amount of option memory buffers, default 10240 net.core.netdev_max_backlog = 300000, number of unprocessed input packets before kernel starts dropping them, default 300 Kernel parameters: idle=poll, idle threads poll reschedule flag, default is to use HLT instruction HTTP Software Notes One network bound per TUX thread net.tux.logging = 1, turns on logging of requests, default 0 net.tux.cgiroot = /, cgi root check, default /var/www/tux/cgiroot/ net.tux.cgi_uid = 99, uid 'nobody' for cgi scripts; default -1 net.tux.cgi_gid = 99, gid 'nobody' for cgi scripts; default -1 net.tux.max_backlog = 3000, maximum per-listening-socket TCP backlog size, default 2048 net.tux.generate_etags = 0, don't generate ETag header, default 1 net.tux.generate_last_mod = 0, don't generate Last-Modified header, default 0 net.tux.noid = 1, suppress the Server id string, default 0 net.tux.max_connect = 50000, maximum # simultaneous connections, default 1000 net.tux.cgi_inherit_cpu = 1, CGIs inherit CPU binding, default 0 Network Notes e1000 parameter: TxIntDelay = 32, change transmit interrupt delay, default 64 Client Notes Registry tunes: - Tcpip\Parameters\MaxUserPort=0xfffe, sets maximum open ports to 65534 - Tcpip\Parameters\TcpTimedWaitDelay=60, sets TIME_WAIT parameter to 60 seconds (non-RFC 1122), default 240 - Tcpip\Parameters\MaxFreeTWTcbs=100000, sets maximum number of TIME_WAIT tcbs to 100,000 - Tcpip\Parameters\TcpWindowSize=65535, sets TCP send\receive window size, default 8192 Other Notes Tuning Disclosure: See above. Dynamic API and compiler flags: Dell-20030527-RHCA.tgz Kernel config: Dell-20030818-PE1750-config.txt =============================================================================== Test Run Details Run Conforming Percent | Throughput Response ops/sec/ Kbits/ Num Connections Conform | ops/sec msec loadgen sec 1 6640 100.0% | 18792.1 353.4 2.83 337.3 => 2 6638 100.0% | 18648.0 356.2 2.81 334.8 3 6633 99.9% | 18571.0 357.7 2.80 333.4