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Re: [lvs-users] Source Hashing scheduling module

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] Source Hashing scheduling module
From: Mikio Kishi <mkishi@xxxxxxx>
Date: Wed, 15 Jul 2009 11:32:52 +0900
Hi, Christian

>I think Kishi-san is running into the same thing I keep running into
>with SH, most recent thread would be:
>http://archive.linuxvirtualserver.org/html/lvs-users/2009-05/msg00045.html
>
>So yes, SH will send new connections to 0 weight realservers if
>quiescent is turned on.

That's right! I'm using keepalived(inhibit_on_failure param), it
occurred same problem...
The weight=0? is so useful for maintenance ...

Sincerely,

--
Mikio Kishi

On Tue, Jul 14, 2009 at 12:19 PM, Christian Balzer<chibi@xxxxxxx> wrote:
> On Sun, 12 Jul 2009 15:47:14 +0900 Mikio Kishi wrote:
>
>> Hi, Joe
>>
>> >the sh scheduler is not well understood, by the users at
>> >least (including me). Are you saying that the lc scheduler
>> >sends new connections to realservers with weight=0?
>>
>> The lc scheduler does not send new connections to realservers with
>> weight=0. ^^^^^^^^^^
>> It's ok. But, the sh one "sends" ....
>> I hope that the sh is the same with lc.
>>
>> Sincerely,
>>
>
> I think Kishi-san is running into the same thing I keep running into with
> SH, most recent thread would be:
> http://archive.linuxvirtualserver.org/html/lvs-users/2009-05/msg00045.html
>
> So yes, SH will send new connections to 0 weight realservers if quiescent
> is turned on.
>
> Dewa,
>
> Christian
>
>> --
>> Mikio Kishi
>>
>>
>> On Sun, Jul 12, 2009 at 3:36 AM, Joseph Mack NA3T<jmack@xxxxxxxx> wrote:
>> > On Sun, 12 Jul 2009, Mikio Kishi wrote:
>> >
>> >> I hope that the sh scheduling module doesn't select target server
>> >> whose weight is 0, like lc, sed.
>> >
>> > the sh scheduler is not well understood, by the users at
>> > least (including me). Are you saying that the lc scheduler
>> > sends new connections to realservers with weight=0?
>> >
>> > Joe
>> >
>> > --
>> > Joseph Mack NA3T EME(B,D), FM05lw North Carolina
>> > jmack (at) wm7d (dot) net - azimuthal equidistant map
>> > generator at http://www.wm7d.net/azproj.shtml
>> > Homepage http://www.austintek.com/ It's GNU/Linux!
>> >
>> > _______________________________________________
>> > Please read the documentation before posting - it's available at:
>> > http://www.linuxvirtualserver.org/
>> >
>> > LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
>> > Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
>> > or go to http://lists.graemef.net/mailman/listinfo/lvs-users
>> >
>>
>> _______________________________________________
>> Please read the documentation before posting - it's available at:
>> http://www.linuxvirtualserver.org/
>>
>> LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
>> Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
>> or go to http://lists.graemef.net/mailman/listinfo/lvs-users
>>
>
>
> --
> Christian Balzer        Network/Systems Engineer                NOC
> chibi@xxxxxxx           Global OnLine Japan/Fusion Network Services
> http://www.gol.com/
> https://secure3.gol.com/mod-pl/ols/index.cgi/?intr_id=F-2ECXvzcr6656
>
> _______________________________________________
> Please read the documentation before posting - it's available at:
> http://www.linuxvirtualserver.org/
>
> LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
> Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
> or go to http://lists.graemef.net/mailman/listinfo/lvs-users
>

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