[Glass] [GS/SS Beta] Scale to multiple nodes sharing a DB?

[Mariano Martinez Peck]

Hi guys,

Thanks for the answers. That's what I wanted to hear!!! It is a good
feeling to know that from the technical point of view we can scale a lot :)


On Thu, Nov 14, 2013 at 9:05 PM, Dale K. Henrichs <
dale.henrichs at gemtalksystems.com> wrote:

> Bruno,
>
> The short answer is yes:)
>
> Mutiple stones can be run on a single host. There is one SPC per stone per
> host.
>
> So in a system with two stones running on host A, there will be two SPCs
> on host A.
>
> You can connect to either of the stones running on host A from host B.
>
> In the first form you can connect to a stone on host A and arrange for the
> rpc gems servicing your GemTools client (for example) to run on host A in
> which case those gems will connect to the SPC on host A.
>
> In the second form you can connect to a stone on host A and arrange for
> the gems to run on host B (not permitted with Free license) in which case
> there will be an SPC on host B as well ... if you connect to both stones
> from host B in this fashion, then you'll have one SPC per stone on host B
> ...
>
> tranlogs and extents must be on the "same filesystem" as the stone ... NFS
> filesystems are not reliable enouch to be used for extents and tranlogs ...
> non NFS, shared filesystems can be used for tranlogs and extents ...
>
> Dale
> ----- Original Message -----
> | From: "BrunoBB" <smalltalk at adinet.com.uy>
> | To: glass at lists.gemtalksystems.com
> | Sent: Thursday, November 14, 2013 3:44:02 PM
> | Subject: Re: [Glass] [GS/SS Beta] Scale to multiple nodes sharing a DB?
> |
> | Hi,
> |
> | As i understad, ... each machine (with gems or the stone) has a
> | unique SPC
> | (shared page cache).
> | Is this correct ?
> | Gems in the same node (machine) access the same SPC, but for others
> | gems in
> | other node have their own SPC. Or a single node can run more than one
> | SPC ?
> | (may be this not make sense).
> |
> | Can the extents and the Stone run on different nodes ?
> | Can the translog and the Stone run on different nodes ?
> |
> | Regards,
> | Bruno
> |
> |
> |
> | --
> | View this message in context:
> |
> http://forum.world.st/GS-SS-Beta-Scale-to-multiple-nodes-sharing-a-DB-tp4722243p4722305.html
> | Sent from the GLASS mailing list archive at Nabble.com.
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-- 
Mariano
http://marianopeck.wordpress.com
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