[erlang-questions] Mnesia table replication/sharing question

Ulf Wiger (TN/EAB) <>
Tue Sep 23 12:47:52 CEST 2008


If you want mnesia to treat these tables as different, you
have to name them differently, or configure the table as
a fragmented table (see man page for mnesia_frag), in which
you control the fragment allocation and key distribution
(see man page for mnesia_frag_hash).

It may be easier to use explicit naming, though. (:

BR,
Ulf W

Haldun Bayhantopcu skrev:
> Hi all,
> 
> Assume that we have N erlang nodes, running same application. I want
> to share an mnesia table T1 with all N nodes, which I see no problem.
> However, I want to share another mnesia table T2 with pairs of nodes.
> I mean the contents of T2 will be identical and replicated to/with
> only sharing pair. In another words, I want N/2 different contents for
> T2 table. Is this possible with mnesia, not with renaming T2 for each
> distinct pair of nodes?
> 
> Thanks in advance,
> Haldun.
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