SPECweb99 Result =============================================================================== || IBM : IBM pSeries 650 Model 6M2 || 12400 SPECweb99 Zeus Technology Ltd. : Zeus 4.1r3 || || =============================================================================== PERFORMANCE | Conforming Simultaneous Iteration | Connections ---------------+---------------------------- 1 | 12400 2 | 12400 3 | 12400 ---------------+---------------------------- Median | 12400 =============================================================================== Availability Dates All Hardware Dec-2002 HTTP Software Jul-2002 Operating System Nov-2002 Supplemental System Nov-2002 Hardware Vendor IBM Model IBM pSeries 650 Model 6M2 Processor 1.45GHz POWER4+ # Processors 8 cores, 4 chips, 2 cores/chip, 1 chip/SCM Primary Cache 64KBI+32KBD (on chip) per core Secondary Cache 1536KB(I+D) unified (on chip) per chip Other Cache 32MB unified(off chip)/SCM, 4SCM in SUT Memory 64 GB Disk Subsystem 2x18.2GB 16Bit SCSI Disk and 16x18.2 SSA Disk(fast-write enabled) Disk Controllers Wide/Ultra-2 SCSI I/O Controller and IBM SSA 160 SerialRAID Adapter Other Hardware 8 x Alteon ACESwitch 180 Software Operating System AIX 5L V5.2(64bit) File System JFS2 Other Software None HTTP Software Vendor Zeus Technology Ltd. HTTP Software Zeus 4.1r3 API ISAPI Server Cache FRCA (Fast Response Cache Accelerator) Log Mode Binary CLF for Zeus, CLF for FRCA Test Sponsor Test Date Oct-2002 Tested By IBM SPEC License 11 Network # of Controllers 8 Network Controllers 8 IBM Gigabit Ethernet-SX PCI-X Adapter (14106802) # of Nets 8 Type of Nets Gigabit Ethernet Network Speed 1 Gb/sec MSL (sec) 30 (Non RFC1122) Time-Wait (sec) 60 (Non RFC1122) MTU 1500 Clients # of Clients 48 Model IBM pSeries 620 Model 6F1 Processor 668 MHz RS64-IV # of Processors 6 Memory 8GB Network Controller 1 IBM Gigabit Ethernet-SX PCI Adapter (14100401) Operating System AIX 5.1 Compiler IBM Cset++ Version 5.1 Benchmark Configuration Requested Connections 12400 Fileset Size (MB) 39801.28 =============================================================================== Notes/Tuning information SUT Notes APAR IY35693 was applied to AIX 5L V5.2 bindintcpu [interrupt level] [cpu] (Interrupt affinity - bind 8 Ethernet interrupts to 8 cpu's(1 interrupt to 1 cpu)) maxpgahead=64(the maximum number of pages to be read ahead,default=8) minperm=5%(the point below which the page-stealer will steal file of computational pages,default=20%) maxperm=95%(the point above which the page stealing algorithm steals only file page,default=80%) 8 different logs for 8 zeus instances (1 log per zeus instance) for dynamic requests frca-log.N (once the frca-log.N reaches 1GB, a new frca-log.N+1 is generated) for static requests Disk layout: 1 disk for OS, 1 disk for webserver, 14 disks striped for file_set, 2 disks web logfile) Set Gigabit Ethernet driver attribute rxdesc_que_sz=512 (set RX descriptor queue size, default=1024) Set Gigabit Ethernet driver attribute rxbuf_pool_sz=512 (Receive buffer pool size, default=1024) Set Gigabit Ethernet driver attribute copy_bytes=256 (copy packet into contiguous buffer on transmit if this many or less bytes, default=2048) frcactrl pctonintr 100 (frca set to allow 100% cpu time on interrupt, default=90) frcactrl revaltimeout 1000000 (set frca revalidation timeout to 100,000,0 seconds, default=300 seconds) no(network option) tuning: no -o tcp_sendspace=65536(default socket send buffer size, default=16384) no -o tcp_recvspace=65536(default socket receive buffer size, default=16384) no -o send_file duration=100000(cached send_file expiration time, default=300) no -o somaxconn=10240(max listen backlog, default=1024) no -o nbc_max_cache=40960(max file size for network buffer cache, default=1048576) no -o nbc_pseg=800000(max file entries in private segment,default=0) no -o tcp_timewait=5(ensure that TIME_WAIT is at least 60 seconds, default=1) no -o tcp_newreno=0 (disables the modification to TCP's Fast Recovery algorithm as described in RFC 2582, default=1) no -o tcp_inpcb_hashtab_siz=128021 (increase TCP PCB hash table size, default=24499) 4 external 7311-D10 I/O drawers are used for 8 Gigabit ethernet adapters; each has 2 Gigabit Ethernet adapters. SCM stands for Single Chip Module. HTTP API Notes Zeus PEPP-06 SPECweb99 toolkit used for dynamic content post.log in /weblog directory instead of doc_root ./Configure --sendfile=no --locking=semop Compiled with IBM VAC 5.0.1 Client Notes APAR IY35692 was applied to AIX 5L V5.1 no (network option) tuning: no -o delayack=3(delay ack for connection setup and shutdown,default=0) no -o delayackports={80}(delay ack ports,default={} ) no -o tcp_timewait=5(ensure that TIME_WAIT is at least 60 seconds,default=1) no -o tcp_sendspace=65536(default socket send buffer size, default=16384) no -o tcp_recvspace=65536(default socket receive buffer size, default=16384) AIX (thread-scheduling option) tuning: AIXTHREAD_SCOPE=S (AIX pthread environment variable, set all threads have system based contention scope, {1:1}, default=P{8:1}) YIELDLOOPTIME=1000 (AIX pthread environment variable, controls the number of times to yield the processor before blocking on a busy lock, default=0) AIXTHREAD_SLPRATIO=1:1 (AIX pthread environment variable, controls the number of kernel threads that should be held in reserve for sleeping threads, default={12:1}) Other Notes Starts 8 unique instances of Zeus sharing a common docroot Each Zeus instance has 1 children processes; each child process of the Zeus instance bind to one unique IP address Zeus 41r3 global.cfg (one per instance) tuning!bind_any no tuning!cache_files 50021 tuning!cache_large_file 5120 tuning!cache_small_file 5120 tuning!cache_stat_expire 180000 tuning!cache_flush_interval 180000 tuning!cache_max_bytes 0 tuning!num_children 1 tuning!keepalive yes tuning!keepalive_timeout 1000 tuning!keepalive_max -1 tuning!listen_queue_size 9216 tuning!cbuff_size 1048576 tuning!multiple_accept yes tuning!sendfile yes tuning!sendfile_maxsize 1048576 tuning!sendfile_minsize 100 tuning!sendfile_reservefd 31993 tuning!so_nagle_off no tuning!so_rbuff_size 32768 tuning!softservers no tuning!unique_bind yes tuning!use_poll no tuning!cache_cooling_time 0 tuning!modules!cgi!cleansize 0 tuning!modules!stats!enabled no tuning!modules!nsapi!enabled no tuning!accelerator!frca!enabled yes tuning!accelerator!frca!log!enabled yes tuning!accelerator!frca!log!filename /weblog/log/frca-log tuning!accelerator!frca!log!format CLF tuning!accelerator!frca!maxsize 1048576 tuning!accelerator!frca!minsize 100 Zeus_Site_Configuration (one per instance): modules!cgi!enabled yes modules!isapi!enabled yes bindaddr ip_addr1 Tuning Disclosure: IBM-20011019.txt Dynamic API: IBM-20011019_2-API.tar.gz =============================================================================== Test Run Details Run Conforming Percent | Throughput Response ops/sec/ Kbits/ Num Connections Conform | ops/sec msec loadgen sec => 1 12400 100.0% | 36455.6 340.5 2.94 351.3 2 12400 100.0% | 35549.9 349.1 2.87 342.6 3 12400 100.0% | 36513.8 339.9 2.94 351.9