Re: fractional replication and consumers Q

[Rich Megginson <rmeggins@xxxxxxxxxx>]

On 10/19/2015 03:17 PM, Joel Levin wrote:

Hi Rich:

Can there be multiple-masters simultaneously?

Yes.

i.e. 5 masters - all 5 accepting read-writes simultaneously?

Yes.

Is there a maximum limit?

Technically the limit is 65534 read-write masters, but you will probably run into memory, thread resource, CPU, file descriptor, etc. limits long before that.

Thanks.

On Mon, Oct 19, 2015 at 8:52 AM, Rich Megginson <rmeggins@xxxxxxxxxx> wrote:

On 10/19/2015 09:43 AM, Mayberry, Alexander wrote:

We refer to a dedicated consumer as "read only". (we use these in our security zones.)
Though, I'm sure that's probably not strictly true, it captures the spirit of things.

Yes.  What the console means by "dedicated consumer" is a read only replica that does not have replication agreements to push data to other replicas.  This is opposed to a "hub" which is also a read only replica, but a hub has one or more replication agreements to push data to other replicas.

In general, you should not need to use hubs or dedicated consumers, unless you have some security requirement (security zones, DMZ, etc.) and know what you're doing.  It's easier to just make everything a master.

-----Original Message-----
From: 389-users-bounces@xxxxxxxxxxxxxxxxxxxxxxx [mailto:389-users-bounces@xxxxxxxxxxxxxxxxxxxxxxx] On Behalf Of ghiureai
Sent: Monday, October 19, 2015 10:17 AM
To: 389-users@xxxxxxxxxxxxxxxxxxxxxxx
Subject: fractional replication and consumers Q

Hi LIst,
I have cfg  a multimaster rep  env with fractional rep,  all agreements are already in placed between suppliers and consumers , all consumers had been  cfg with  Multi Master Replica option, reading trough RHES 389-ds there is some mentioning about "dedicated consumer" option  in replica.
We need to have  a cfg which at anytime any of the DS can act as master ( write+read), would "Multi Master " replica option need to be replaced with "dedicated consumer"?

Thank you
Isabella

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