[Memcached 설치]
※ Reference
http:
http:
※ 설치
(root권한)
sudo yum install libevent libevent-devel
(user권한)
cd dist
wget http:
tar -zxvf memcached-1.x.x.tar.gz
cd memcached-1.x.x
./configure --prefix=/usr/local/memcached --with-libevent=/usr/lib/
make && make test
(root권한)
sudo make install
※ 설정
cd /etc
sudo vi memcached.conf
-m 16
-p 11311
-u nobody
-l 127.0.0.1
※ init script 생성
(user권한)
mkdir -p /home/USER/dist/memcached_script
cd /home/USER/dist/memcached_script
wget http:
tar xvfz memcached_script.tar.gz
chmod 755 /usr/local/bin/start-memcached
chmod 755 /etc/init.d/memcached
(root 권한)
cd /usr/local/bin
sudo ln -s /usr/local/memcached/bin/memcached memcached
cd /home/USER/dist/memcached_script
sudo mv start-memcached /usr/local/bin/start-memcached
sudo mv memcached /etc/init.d/memcached
※ 실행
sudo /usr/local/bin/start-memcached or
/usr/local/memcached/bin/memcached -d -r -m 64 -l 서버IP(10.101.254.223) -p 11211
- 실행 권한 root or user
- 단일 서버에 Multi instance 실행
/usr/local/memcached/bin/memcached -d -r -m 64 -l 서버IP(10.101.254.223) -p 11211
/usr/local/memcached/bin/memcached -d -r -m 64 -l 서버IP(10.101.254.223) -p 11311
/usr/local/memcached/bin/memcached -d -r -m 64 -l 서버IP(10.101.254.223) -p 11411
※ 실행 스크립트
#!/usr/bin/perl -w
# start-memcached
# 2003/2004 - Jay Bonci <jaybonci@debian.org>
# This script handles the parsing of the /etc/memcached.conf file
# and was originally created for the Debian distribution.
# Anyone may use this little script under the same terms as
# memcached itself.
use strict;
if ($> != 0 and $< != 0) {
print STDERR "Only root wants to run start-memcached.\n";
exit;
}
my $etcfile = shift || "/etc/memcached.conf";
my $params = [];
my $etchandle;
# This script assumes that memcached is located at /usr/bin/memcached, and
# that the pidfile is writable at /var/run/memcached.pid
my $memcached = "/usr/local/bin/memcached";
my $pidfile = "/var/run/memcached.pid";
# If we don't get a valid logfile parameter in the /etc/memcached.conf file,
# we'll just throw away all of our in-daemon output. We need to re-tie it so
# that non-bash shells will not hang on logout. Thanks to Michael Renner for
# the tip
my $fd_reopened = "/dev/null";
sub handle_logfile {
my ($logfile) = @_;
$fd_reopened = $logfile;
}
sub reopen_logfile {
my ($logfile) = @_;
open *STDERR, ">>$logfile";
open *STDOUT, ">>$logfile";
open *STDIN, ">>/dev/null";
$fd_reopened = $logfile;
}
# This is set up in place here to support other non -[a-z] directives
my $conf_directives = {
"logfile" => \&handle_logfile
};
if (open $etchandle, $etcfile) {
foreach my $line (<$etchandle>) {
$line =~ s/\#.*
$line = join ' ', split ' ', $line;
next unless $line;
next if $line =~ /^\-[dh]/o;
if ($line =~ /^[^\-]/o) {
my ($directive, $arg) = $line =~ /^(.*?)\s+(.*)/;
$conf_directives->{$directive}->($arg);
next;
}
push @$params, $line;
}
}
unshift @$params, "-u root" unless (grep $_ eq '-u', @$params);
$params = join " ", @$params;
if (-e $pidfile) {
open PIDHANDLE, "$pidfile";
my $localpid = <PIDHANDLE>;
close PIDHANDLE;
chomp $localpid;
if (-d "/proc/$localpid") {
print STDERR "memcached is already running.\n";
exit;
} else {
`rm -f $localpid`;
}
}
my $pid = fork();
if ($pid == 0) {
reopen_logfile($fd_reopened);
exec "$memcached $params";
exit(0);
} elsif (open PIDHANDLE,">$pidfile") {
print PIDHANDLE $pid;
close PIDHANDLE;
} else {
print STDERR "Can't write pidfile to $pidfile.\n";
}
