Hi,
I have following configuration:
Client: php53u-pecl-memcache-3.0.8-1.ius.el6.4.z.x86_64
Server: memcached-1.4.4-3.el6.x86_64
There are 6 clients (client1 through to client6, and 3 memcache servers
server1 through to server3)
All 6 clients are fronted by a single load-balancer and serve same site.
On client1, client2 and client3 I have..,
$servers[] = array('hostname'=>'192.168.1.120', 'port'=>11211);
$servers[] = array('hostname'=>'192.168.1.121', 'port'=>11211);
$servers[] = array('hostname'=>'192.168.1.122', 'port'=>11211);
$memcache = new Memcache;
foreach ($servers as $memserver){
echo $memserver['hostname'] ;
$memcache->addServer($memserver['hostname'], $memserver['port'] )
or die ("Could not connect");
}
On clinet3, client4 and client5 I have...Note that server1, server2 and
server3 resolves to 192.168.1.120, 192.168.1.121 and 192.168.1.122
respectively via /etc/hosts file
$servers[] = array('hostname'=>'server1', 'port'=>11211);
$servers[] = array('hostname'=>'server2', 'port'=>11211);
$servers[] = array('hostname'=>'server3', 'port'=>11211);
$memcache = new Memcache;
foreach ($servers as $memserver){
echo $memserver['hostname'] ;
$memcache->addServer($memserver['hostname'], $memserver['port'] )
or die ("Could not connect");
}
Issue: When I try to get a key via $memcache->get function; client1,client2
and client3 are fine but client4,client5 and client6 cannot get the value.
The key/value is actually on server1. If I go to that server directly from
any of the clients I can get the key.
I did a tcp dump and noticed that on client4,5 and 6 , it always goes to
.122 (server3), whereas on client1,2 and 3 it goes to .120(server1) where
the key is present.
How can I resolve this ? I have to use hostnames on client4,5 and 6 and IPs
on the other clients.
Thanks
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