SPECweb99_SSL Result

Performance

Configuration

Notes

SUT Notes

• 1 x 75GB onboard Serial ATA drive configured with EXT2 for OS and web server
• Hyper-Threading enabled
• Memory configuration 4 x 1GB PC3200 SDRAM unbuffered DIMMs
• Hardware RAID0 stripe over 20 x 36GB disks for fileset
• Enable read cache
• cache read ahead multiplier for fileset = 3, default 0
• Hardware RAID0 stripe over 7 x 36GB disks for httplog
• Hardware RAID0 stripe over 8 x 36GB disks for logs
• Enable write cache for httplog and logs

Operating System Notes

• Tuning parameters:
• - net.ipv4.ip_forward=1, default 0
• - net.ipv4.conf.all.rp_filter = 1, enables source route verification, default 0
• - net.ipv4.tcp_timestamps = 0, turns TCP timestamp support off, default 1
• - net.ipv4.tcp_max_tw_buckets = 2000000, sets TCP time-wait buckets pool size, default 180000
• - net.core.wmem_max = 10000000, maximum send socket buffer size, default 65535
• - net.core.wmem_default = 10000000, default send socket buffer size, default 65535
• - net.core.optmem_max = 10000000, default 10240
• - net.core.hot_list_length = 10000, maximum number of skb-heads to be cached, default 128
• - net.ipv4.tcp_rmem = 30000000 30000000 30000000, maximum TCP read-buffer space allocatable, default 4096 87380 174760
• - net.ipv4.tcp_wmem = 30000000 30000000 30000000, maximum TCP write-buffer space allocatable, default 4096 16384 131072
• - net.ipv4.tcp_mem = 30000000 30000000 30000000, maximum TCP buffer space, default 31744 32256 32768
• - fs.file-max = 102400, maximum number of open files, default 1024
• - net.ipv4.ip_local_port_range 1024 65536
• - net.core.netdev_max_backlog=300000, number of unprocessed input packets before kernel starts dropping them, default 300"
• Kernel is default SuSE Linux Enterise Server 9
• Each NIC IRQ bound to a seperate processor
• Each NIC's TX queue length set to 40000 via ifconfig, default 100
• Log & fileset partition mounted with "noatime,nodiratime,nocheck", no inode access time updating
• ulimit -n 102400, default 1024

HTTPS Software Notes

• Zeus Configuration
• - tuning!so_wbuff_size 1048576
• - tuning!softservers no
• - tuning!cbuff_size 65536
• - tuning!clientfirst_optimise yes
• - tuning!ssl_sessioncache_size 7507
• - tuning!listen_queue_size 8192
• - tuning!keepalive yes
• - tuning!keepalive_timeout 360
• - tuning!multiple_accept yes
• - tuning!keepalive_max -1
• - tuning!maxaccept 2048
• - tuning!num_children 2
• - tuning!unique_bind no
• - tuning!bind_any yes
• - tuning!modules!cgi!enabled yes
• - tuning!isapi!enabled yes
• - modules!security!enabled yes
• - tuning!max_connections 3000
• Virtual Server Configuration
• - ip_name = server
• - bindaddr = 192.0.1.100,192.0.2.100
• See IBM-Zeus-tuning-20021224.txt for a description of the Zeus tuning parameters
• ISAPI Source code is available in the SPECweb99_SSL support docs as HP-20020724-API.tar.gz

HTTP API Notes

• Zeus ISAPI interface used
• Zeus PEPP 0.8 ISAPI used for Dynamic content
• ./Configure --ssl=yes --checkconfig=yes

Client Notes

• Client code generated with ./configure --enable-posix-threads
• net.ipv4.ip_local_port_range 1024 65535

Test Run Details

Tue Feb 1 13:01:57 2005

First published at SPEC.org on 01-Feb-2005