On 31 Jul 2007, at 01:46, Vincent Marquez wrote: I'd have thought batching would hold locks as well. Unless you see batching as just queueing calls and applying them when batchComplete() (or whatever we call it) is invoked. But then how do you deal with failures? Is the batch atomic? Not really; depends on how you logically see the function of batching. It may still make sense in MVCC as well. And hopefully it won't be that long a way out - I'm hoping by pretty early next year. I presume you've seen the designs up on the wiki? -- Manik Surtani Lead, JBoss Cache JBoss, a division of Red Hat