[jboss-dev-forums] [Design of JBoss Transaction Services] - Re: transaction support in JBossAS 5.0

[mark.little@jboss.com]

Oh, and I assume you have to durably record the mapping between the short-hand notation (long) and the real transaction id. Essentially keep a reference as to where your index (the long) has reached so that, upon failure and recovery, you can continue counting from where you left off (or you risk generating a new mapping using the same counter before half a million years is up ;-). This durable recording is going to impose some overhead: every time you increment the counter you have to record it to disk . Plus, it probably needs to be managed transactionally too. Or did I miss something?

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