On Fri, 2017-09-29 at 12:05 -0400, Ghiurea, Isabella wrote:
I am running a multimaster master fractional replication (M1, M2 host) with memberof
plugin excluded from replication, I am looking to add 1/2
dozen DS's to replication system but ALL will be read only ( master
-> slave replication cfg-one way replication) what will be my options
for cfg replication
When you say "cfg replication", do you mean replication of the
-should I consider using M1 or M2 as master wich will replicate to
each slave , so the master M2 will have 6 replcation agreements to each slave host -or
-should I consider the cascading replication option one slave gets data from Master DS
and from this slave next one replicates and so on ?
I would approach this differently.
I would disable fractional replication. These days you *want* to
replicate member-of attrs, it doesn't do any harm. Fractional
replication does more harm tbh.
I would setup M1 <-> M2, and then have M1 and M2 connect to each slave.
So that in the case say M1 is down, all slaves are still updated
The *only* reason to use fractional repl is referential integrity, and
only with a delayed mode - which I don't advise (refint delay should
always be 0).
which one of this designs cfg replication solution will give the best
What do you mean by "performance"? As in latency between a write and
appearing on a slave? Or parallel read performance?
Hope this helps,
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