kalendae

bytedance.akadns.net
dsa-video.traffic.bytedance.akadns.net
bytegeo.akadns.net
api31.bytegeo.akadns.net
bos.bytegeo.akadns.net
byteoversea.com.bytegeo.akadns.net
tp-pay.byteoversea.com.bytegeo.akadns.net
bytewlb.akadns.net
tiktokcdn.com.bytewlb.akadns.net
v-edgecast.tiktokcdn.com.bytewlb.akadns.net

kalendae

-
ssh as root
-
adduser tao;passwd tao
-
usermod -a -G wheel tao, then visudo and uncomment line # %wheel  ALL=(ALL)       ALL
-
set UTC time:  rm /etc/localtime    then     ln -s /usr/share/zoneinfo/UTC /etc/localtime
-
Turn off SELINUX - vi /etc/selinux/config     set to disabled 

kalendae

#!/bin/bash
# slanger daemon
# chkconfig: 345 20 80
# description: slanger daemon
# processname: slanger

. /etc/rc.d/init.d/functions

# Location of a non-daemon application to be daemonized
BIN="/home/xxx/.rvm/gems/ruby-1.9.2-p290/bin/slanger --app_key XXXX --secret YYYY --api_host 0.0.0.0:4568 --websocket_host 0.0.0.0:8081"

kalendae

wirble for rails3 console

add wirble to Gemfile

monkeypatch following:


module Rails
  class Console

kalendae

reverse ssh tunneling (needed for facebook app dev)

on public machine edit /etc/ssh/sshd_config (centos)
add

AllowTcpForwarding yes
GatewayPorts yes

restart sshd service

kalendae

i7 12G ram ubuntu 9.4 64bit

Dhrystone 2 using register variables     21848800.3 lps   (10.0 secs, 10 samples)
Double-Precision Whetstone                 3467.6 MWIPS (10.0 secs, 10 samples)
System Call Overhead                     3740571.7 lps   (10.0 secs, 10 samples)
Pipe Throughput                          1768496.5 lps   (10.0 secs, 10 samples)
Pipe-based Context Switching             246686.5 lps   (10.0 secs, 10 samples)
Process Creation                           5570.1 lps   (30.0 secs, 3 samples)
Execl Throughput                           no measured results
File Read 1024 bufsize 2000 maxblocks    3608110.0 KBps  (30.0 secs, 3 samples)

kalendae

f:9.78214287757874 t:10.2568709850311 sum:20.0390138626099  intel mobile core2duo T7300 2ghz running centos vm on xp (1 of 2 cores laptop with REE)
f:23.5827739238739 t:44.0298571586609 sum:67.6126310825348  Intel(R) Xeon(R) CPU E5320  @ 1.86GHz (1 of 8 cores pr1/pr3)
f:18.0016870498657 t:19.1601359844208 sum:37.1618230342865  same as above but with REE
f:18.0677227973938 t:47.8991549015045 sum:65.9668776988983  Intel(R) Xeon(R) CPU 3040  @ 1.86GHz (1 of 2 cores pr4)
f:12.6944310665131 t:33.7289371490479 sum:46.4233682155609  Intel(R) Xeon(R) CPU X3320  @ 2.50GHz (1 of 4 cores pr7)
f:13.9521861076355 t:38.6263761520386 sum:52.5785622596741  Intel(R) Core(TM)2 Quad CPU Q6600  @ 2.40GHz (1 of 4 cores pr6 32bit)
f:14.9624340534210 t:32.804986000061  sum:47.7674200534821  AMD Athlon(tm) 64 X2 Dual Core Processor 5000+ (1 of 2 cores pr8)
f:15.3550038337708 t:32.4853999614716 sum:47.8404037952423  Dual-Core AMD Opteron(tm) Processor 1218 HE (1 of 2 cores pr10)

f:34.9187638759613 t:57.8910548686981 sum:92.809818744

kalendae

max hits before longest transaction > 0.5                

pr8(2)    145    amd x2 5000
pr8(2)    190    amd x2 5000 after extensive warmup
pr9(2)    115    amd x2 5000 with minspare maxspare and acceptCount, its worse without)   
pr9(2)    130    amd x2 5000 with aggressive heap 
pr9(2)    190    amd x2 5000 after extensive warmup
pr3(8)    245    xeon E5320  @ 1.86GHz
pr6(4)    240    Q6600  @ 2.40GHz same after warmup
pr4(2)    250    xeon 3040 @ 1.86ghz

kalendae

yum install apr.x86_64
yum install apr-devel.x86_64
yum install openssl-devel.x86_64
tar xzvf tomcat-native.tar.gz    (the file is located at bin/tomcat-native.tar.gz of the tomcat binary dir)
cd jni/native
./configure --with-apr=/usr/bin/apr-1-config
make
make install

kalendae

haproxy setup

1) setup epel repo in yum
  a) copy epel.repo file to /etc/yum.repos.d
  b) rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-3.noarch.rpm

2) yum install haproxy

3) setup /etc/haproxy.cfg