[ZODB-Dev] ZEO and replication of BTree based objects

Christian Reis kiko at async.com.br
Wed Jun 11 10:28:39 EDT 2003


On Wed, Jun 04, 2003 at 04:36:09PM -0400, Jeremy Hylton wrote:
> ZEO uses invalidation-based cache consistency.  When one
> client modifies an object, the other clients receive
> invalidation messages.  The other clients don't load the
> object unless they attempt to read it.

Am I correct in assuming the invalidation messages are only used to
raise ReadConflictError when one of the other clients already has a
version of the object in its cache?

Take care,
--
Christian Reis, Senior Engineer, Async Open Source, Brazil.
http://async.com.br/~kiko/ | [+55 16] 261 2331 | NMFL



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