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2 phase commit

Will Myers
Ranch Hand

Joined: Aug 05, 2009
Posts: 359

Hi,
I was asked in an interview to explain how a 2 phase commit could be implemented in a distributed environment, while I know what the term means I'm unsure how it would work in practice. The example given was a database transaction and a JMS message that have to be committed together because the JMS message kicks off some other process that relies on the data being present in the database. Any ideas how you could implement this?
Jeanne Boyarsky
author & internet detective
Marshal

Joined: May 26, 2003
Posts: 32089
    
207

Will,
Wikipedia has a summary of the basic algorithm http://en.wikipedia.org/wiki/Two-phase_commit_protocol


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subject: 2 phase commit