-showversion -XX:+UnlockDiagnosticVMOptions -XX:+LogVMOutput -XX:LogFile=jvm.log -XX:NewRatio=2
-d64 -server -XX:+AggressiveOpts -XX:+UseLargePages -XX:LargePageSizeInBytes=4m
-XX:+HeapDumpOnOutOfMemoryError -XX:-UseBiasedLocking -Xms4000m -Xmx4000m -Xss128k
-XX:+DisableExplicitGC -XX:+UseParallelOldGC -XX:ParallelGCThreads=32 -XX:+PrintGCTimeStamps
-XX:+PrintGCDetails -XX:PermSize=384m -XX:MaxPermSize=384m -Dweblogic.ProductionModeEnabled=true
-Dweblogic.MuxerClass=weblogic.socket.NIOSocketMuxer -Dweblogic.SocketReaders=3
-Dweblogic.management.discover=false -Dweblogic.diagnostics.debug.DebugLogger.DISABLED=true
-Doracle.jdbc.defaultRowPrefetch=200
-Djavax.xml.parsers.DocumentBuilderFactory=weblogic.xml.jaxp.RegistryDocumentBuilderFactory
-Dsun.net.inetaddr.ttl=0 -Dnetworkaddress.cache.ttl=0 -Djaxws.transport.streaming=true

Oracle patches for WebLogic Server Standard Edition 10.3.5 11785246, 10382753, 9956275
Added Eclipselink 2.1.3 Runtime Library to classpath

-Xmx7g -Xms7g -Xmn3500m -Xss272k -XX:PermSize=95m -XX:MaxPermSize=512M -XX:+UseLargePages
-XX:+AggressiveOpts -XX:+DisableExplicitGC -verbosegc -Xloggc:emugc.log -XX:+PrintGCDetails
-XX:+PrintGCTimeStamps -XX:+PrintCommandLineFlags -showversion -Dweblogic.ProductionModeEnabled=true
-Dsun.net.inetaddr.ttl=0 -Dnetworkaddress.cache.ttl=0 -Dweblogic.SocketReaders=1
-Dweblogic.management.discover=false -Dweblogic.diagnostics.debug.DebugLogger.DISABLED=true
-Djavax.xml.parsers.DocumentBuilderFactory=com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl
-Dhttp.keepAlive=false

db_name                 = specdb
compatible              = 11.2.0.1.0
control_files           = ?/dbs/cntrlspec
aq_tm_processes         = 0
db_4k_cache_size        = 13000M
db_8k_cache_size        = 18000M
db_block_checking       = FALSE
db_block_checksum       = FALSE
db_block_size           = 2048
db_cache_advice         = OFF
db_cache_size           = 36000M
db_file_multiblock_read_count = 128
db_files                = 256
db_keep_cache_size      = 6000M
db_writer_processes     = 8
dml_locks               = 2200
filesystemio_options    = DirectIO
log_buffer              = 67108864
log_checkpoint_interval = 0
log_checkpoints_to_alert= TRUE
open_cursors            = 4000
parallel_max_servers    = 100
pga_aggregate_target    = 0
processes               = 4000
query_rewrite_enabled   = FALSE
replication_dependency_tracking = FALSE
session_cached_cursors  = 4000
sessions                = 4000
shared_pool_size        = 14000M
statistics_level        = BASIC
timed_statistics        = FALSE
trace_enabled           = FALSE
transactions            = 15000
transactions_per_rollback_segment = 1
undo_management         = AUTO
undo_retention          = 10
undo_tablespace         = undo_ts

-server -Xms1024M -Xmx1024M -Dsun.net.inetaddr.ttl=0 -Dnetworkaddress.cache.ttl=0
-Dhttp.keepAliveCache.lifeTime=600000

Added to /etc/sysctl.conf:
fs.file-max = 524288
kernel.sem = 250 32000 100 128
kernel.shmall = 10737418240
kernel.shmmax = 4398046511104
net.core.netdev_max_backlog = 400000
net.core.optmem_max = 30000000
net.core.rmem_default = 30000000
net.core.rmem_max = 30000000
net.core.somaxconn = 40000
net.core.wmem_default = 30000000
net.core.wmem_max = 30000000
net.ipv4.ip_local_port_range = 1024 65000
net.ipv4.tcp_fin_timeout = 10
net.ipv4.tcp_max_syn_backlog = 30000
net.ipv4.tcp_max_tw_buckets = 2000000
net.ipv4.tcp_mem = 30000000 30000000 30000000
net.ipv4.tcp_rmem = 30000000 30000000 30000000
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_wmem = 30000000 30000000 30000000
vm.zone_reclaim_mode=1

For each of the NICs:
set arp_announce = 2
set arp_ignore = 1
set txqueuelen 60000
enable tso and gso
Bind interrupt to a core corresponding to the server instance

Server instances were started using numactl binding 1 instance per chip.
Stop iptables.
Stop irqbalance.
Configure 20000 hugepages.

Added to /etc/sysctl.conf:
fs.file-max = 262144
kernel.sem = 250 32000 100 142
kernel.shmall = 10737418240
kernel.shmmax = 4398046511104
net.core.netdev_max_backlog = 400000
net.core.optmem_max = 30000000
net.core.rmem_default = 30000000
net.core.rmem_max = 30000000
net.core.somaxconn = 40000
net.core.wmem_default = 30000000
net.core.wmem_max = 30000000
net.ipv4.ip_local_port_range = 1024 65000
net.ipv4.tcp_fin_timeout = 10
net.ipv4.tcp_max_syn_backlog = 30000
net.ipv4.tcp_max_tw_buckets = 2000000
net.ipv4.tcp_mem = 30000000 30000000 30000000
net.ipv4.tcp_rmem = 30000000 30000000 30000000
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_wmem = 30000000 30000000 30000000
vm.zone_reclaim_mode=1

For each of the NICs:
set arp_announce = 2
set arp_ignore = 1
set txqueuelen 60000
enable tso and gso
bind interrupts to all cores in a round-robin mode.

2 Oracle listener processes were started, and each bound to each processor.
Stop iptables.
Stop irqbalance.
Configure 55000 hugepages.

External storage configuration:
16x 300GB FC 15K RPM on Sun Storage 6180 Array for data files;
16x 300GB FC 15K RPM on Sun Storage 6180 Array for redo logs.

Added to /etc/sysctl.conf:
fs.file-max = 524288
kernel.sem = 250 32000 100 128
kernel.shmall = 10737418240
kernel.shmmax = 51539607552
net.core.netdev_max_backlog = 400000
net.core.optmem_max = 30000000
net.core.rmem_default = 30000000
net.core.rmem_max = 30000000
net.core.somaxconn = 40000
net.core.wmem_default = 30000000
net.core.wmem_max = 30000000
net.ipv4.ip_local_port_range = 1024 65000
net.ipv4.tcp_fin_timeout = 10
net.ipv4.tcp_max_syn_backlog = 30000
net.ipv4.tcp_max_tw_buckets = 2000000
net.ipv4.tcp_mem = 30000000 30000000 30000000
net.ipv4.tcp_rmem = 30000000 30000000 30000000
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_wmem = 30000000 30000000 30000000
vm.zone_reclaim_mode=1
For Emulator, configure 55000 hugepages.

For each of the NICs:
set arp_announce = 2
set arp_ignore = 1
set txqueuelen 240000
enable tso and gso