Update to Murder docs (D69) and question on style.
murch at andrew.cmu.edu
Fri Aug 21 07:12:51 EDT 2015
On 08/20/2015 10:26 PM, Nic Bernstein wrote:
> On 08/20/2015 09:07 PM, Bron Gondwana wrote:
>> On Fri, Aug 21, 2015, at 11:42, Nicola Nye wrote:
>>> On Fri, Aug 21, 2015, at 11:35 AM, Bron Gondwana wrote:
>>>> Murder plus replication is a giant ball of suck right now. They
>>>> don't know about each other, and they interact badly :(
>>> So is that a case for documenting "Here be dragons, enter at your
>>> own risk" for the moment?
>>> Does it mean that admins should look at other backup mechanisms to
>>> handle failover and redundancy in a murder environment, because
>>> Cyrus's replication doesn't play nicely with murder?
>>> Or... ?
>> Or we need to fix murder and replication to work together nicely, but
>> that's hard work[tm].
> Ahem, some of us run Murderous Replicas all day long and it works well
> enough... Doesn't it? ;-)
> I can write this up, I just wasn't sure if it was still needed. I put
> a big ol' Note: in the replication page saying:
> Within a Cyrus /Murder/
> environment, replicas must *not* be configured to invoke
> on startup (pushing the local mailbox list to the *Mupdate
> Master*). This may only be done on the Master instance.
> That's the only real gotcha I know of, but, having said that, I did
> write up a brief set of instructions about this very topic not that
> long ago (IIRC) for user mailing list. I figured I could start with that.
Right. We don't even have our replicas as part of our Murder. They
replicate their backend as if it were a standalone server.
Principal Systems Software Engineer
Carnegie Mellon University
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