From: Joel VanderWerf <vjoel@...>
Date: 2008-07-02T01:33:26+09:00
Subject: Re: Threads and Ruby

Charles Oliver Nutter wrote:
> Since DRb operates over a network it's not reliable by definition; you 
> have to deal with the other end going away, etc. With COM, you're either 
> going over a network or using same-machine IPC mechanisms that are only 
> a bit more reliable (or loading things in-process, which is then back to 
> threads). And with sqlite, you need to synchronize writes and possibly 
> reads or you need to hope sqlite will do that for you (I don't know if 
> it does). And then you're into locking, atomicity, etc.

Yes, sqlite does synchronize, but a potential problem is granularity: a 
writer gets an exclusive lock on the entire db.

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407