achapela.rexistros at gmail
Oct 5, 2009, 11:22 PM
Post #5 of 5
(435 views)
Permalink
|
Simon Horman escribió:
> On Fri, Oct 02, 2009 at 08:39:55AM +0200, Adrian Chapela wrote:
>
>> Joseph Mack NA3T escribió:
>>
>>> On Thu, 1 Oct 2009, Adrian Chapela wrote:
>>>
>>>
>>>
>>>> Hello,
>>>>
>>>> I am getting problems with keepalive timeout.
>>>>
>>>>
>>> which keepalive?
>>>
>>>
>>>
>>>> I have a visual basic application
>>>>
>>>>
>>> where? client, realserver?
>>>
>>>
>>>
>>>> that is opening a connection to another Windows Server
>>>> across the LVS director.
>>>>
>>>>
>>> why is the director in the path?
>>>
>>>
>>>
>>>> This connection will be an idle connection. This is the
>>>> reason why the VB application needs to reconnect and why
>>>> the server
>>>>
>>>>
>>> what is the server? the realserver? some other box?
>>>
>>> Do you know about setting idle timeouts (see the HOWTO)
>>>
>>>
>> Don't get angry please. I am searching and If I am asking is because I
>> am lost in found the real problem. In your lines you have tell me the
>> real problem. A tcp timeout that is reaching in all connections on the
>> director.
>>
>> Re-reading the HOWTO I found the next command:
>>
>> $ipvsadm --set tcp tcpfin udp
>>
>> With this command I think on a problem. If I modify the tcp timeout I
>> will affect all tcp connections (If I only modify tcp parameter...) and
>> if you have a lot of connections you could waste all of your machine
>> resources. Is there any way (I think that the HOWTO doesn't mention
>> this possibility ;) ) to apply a timeout to a virtual server.
>>
>
> Hi Adrian,
>
> the ipvsadm command above will set the timeouts for all connections to
> virtual services, but not for connections to the director that are not
> being handled by LVS. Does that suit your needs?
>
Yes because the service doesn't do any connection management. Only
listening a connection and then open the connection but never close the
connection. This is a problem because the service (but it is not a
keepalived problem ;) ) is wasting a lot of server resources by old
connections, failure connections.
thank you!
_______________________________________________
Please read the documentation before posting - it's available at:
http://www.linuxvirtualserver.org/
LinuxVirtualServer.org mailing list - lvs-users[at]LinuxVirtualServer.org
Send requests to lvs-users-request[at]LinuxVirtualServer.org
or go to http://lists.graemef.net/mailman/listinfo/lvs-users
|
