GlassFish Tunings

Tunings in domain.xml:
JVM Options: 
    -server -XX:+AggressiveHeap
    -Xmx2560m -Xms2560m -Xss128k
    -XX:+DisableExplicitGC
    -XX:ParallelGCThreads=16
    -XX:LargePageSizeInBytes=256m
    -XX:+UseParallelOldGC
    -Dcom.sun.enterprise.server.ss.ASQuickStartup=false
    -DAllowManagedFieldsInDefaultFetchGroup=true
    -XX:-UseBiasedLocking

JDBC Pool: max-pool-size=200, steady-pool-size=75

JDBC: MaxStatements=200, ImplicitCachingEnabled=true

HTTP Listener: acceptor-threads=4

HTTP: accessLoggingEnabled=false

HTTP: header-buffer-size=8192

HTTP ThreadPool: max-thread-pool-size=22, min-thread-pool-size=22

ORB ThreadPool: max-thread-pool-size=22, min-thread-pool-size=22

JMS Connection Pool: max size 20

JMS Connection Pool: max size 20

Transaction Service: logging to jdbc/SPECDB

Tunings in default-web.xml:
development=false, genStrAsCharArray=true