[389-users] Read data immediately after write

Michael Ströder michael at stroeder.com
Thu Oct 8 08:38:40 UTC 2009


Ankur Agarwal wrote:
> 
> I have a master-slave set-up with write operations always being done to
> the master node. Now there is an issue where i need to read some data
> immediately after write, and my read request goes to the slave. It fails
> in cases when replication hasnt happened from master to slave before
> this read operation.

You simply should not do that. Read from the master if you have to rely on the
consistency of what you recently wrote to the master.

> Is there a LDAP level configuration to handle this situation?
> Can chaining help in this case?

No. (Except chaining the read requests of the writing client to the master
which you don't want I guess).

Ciao, Michael.




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