Basic Ubuntu performance tuning

tuning.sh

kernel.pid_max = 1000000

#portrange for outgoing connections
#(increase the ephemeral port range)
net.ipv4.ip_local_port_range=1024 65535

# Fixing 'Too many open files', Second useful on nginx+aio workloads
fs.file-max=3262291
fs.aio-max-nr=65536

# Increased backlog (default: 100/1000 depending on kernel)
net.core.netdev_max_backlog=10000
net.core.somaxconn=10000

# Decrease the time default value for tcp_fin_timeout connection
# net.ipv4.tcp_fin_timeout=15
net.ipv4.tcp_orphan_retries = 1
net.ipv4.tcp_fin_timeout = 25
net.ipv4.tcp_max_orphans = 8192
# Decrease the time default value for tcp_keepalive_time connection
net.ipv4.tcp_keepalive_time=1800

# Netfilter's conntrack
net.ipv4.netfilter.ip_conntrack_max=1048576
net.nf_conntrack_max=1048576

# General 10gigabit/LFP tuning
net.core.rmem_max=16777216
net.core.wmem_max=16777216
net.ipv4.tcp_rmem=4096 87380 16777216
net.ipv4.tcp_wmem=4096 65536 16777216

net.core.wmem_default = 65536
net.core.rmem_default = 65536

#net.ipv4.tcp_orphan_retries=2

net.ipv4.tcp_synack_retries = 2
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_mem = 50576   64768   98152

# Minimize TIME_WAIT sockets
net.ipv4.tcp_tw_reuse = 1

# TESTING
# http://urbanairship.com/blog/2010/09/29/linux-kernel-tuning-for-c500k/
net.ipv4.tcp_rmem=4096 4096 16777216
net.ipv4.tcp_wmem=4096 4096 16777216
fs.file-max = 999999


# http://johanlouwers.blogspot.de/2010/02/aio-max-nr-parameter-for-oracle.html
fs.aio-max-nr = 1048576

# http://stackoverflow.com/questions/12022815/node-js-struggling-with-lots-of-concurrent-connections
#net.ipv4.tcp_max_orphans = 20000
#net.ipv4.tcp_max_syn_backlog = 10000
#net.core.somaxconn = 10000
#net.core.netdev_max_backlog = 10000


# FIX IPv6 prefix with wrong length errors
net.ipv6.conf.default.autoconf = 0
net.ipv6.conf.default.accept_ra = 0
net.ipv6.conf.all.autoconf = 0
net.ipv6.conf.all.accept_ra = 0

Man I need this. I have over 2000 invitations I never sent that I need to revoke. Your code almost worked. Here are the two relevant error messages. Somehow, I pray, you are still on the scene. If so, could you please let me know if there's a way to beat these? Thanks!

XMLHttpRequest cannot load http://www.linkedin.com/inbox/mailbox/message/get?itemId=S872065406_9&goback=%2Esiv_*1_0_*1_*1_*1_*1_*1_*1_*1&trk=COMM_NI. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'https://www.linkedin.com' is therefore not allowed access.

Denying load of chrome-extension://ganlifbpkcplnldliibcbegplfmcfigp/scripts/vendor/jquery/jquery.min.map. Resources must be listed in the web_accessible_resources manifest key in order to be loaded by pages outside the extension.