On 10/3/07, Orlando Andico <[EMAIL PROTECTED]> wrote: > > 1) if you use a DB, the DB becomes a Single Point of Failure, and a > Single Point of Scaling bottleneck >
True. And the enterprise class high reliability servers cost an arm and leg. for me at least. for others thats just the heel. > 2) NFS! locking issues galore! horrific file lock timeouts! I can't > imagine this scaling up well > true. i used coda instead. > > > I'm not clear on how well apache+php handles cookie > > filename generation. there are probably race conditions random number generators. but cookies suck. i avoid them like dengue. > > there. But I don't see a lot of whining about it, so > > it's probably not a big deal (i.e., statistically > > acceptable, probability of race condition exceeds the > > highest prime Bruce Schneier can factor using just > > his fingers and toes, etc). > > You don't hear a big deal about it because the people who need the > performance (Yahoo, Google) even though they use FOSS, they keep their > implementations close to their chests. > > If you use NFS or DB for scaling, your application is probably small > enough that you don't see the scalability problems. > > I think that's even more dishonest than people like Intel or > Microsoft. At least Intel and Microsoft are honest about their > software. > > Google etc. are built on the back of Open Source but they do not give > their clever solutions back. > Yeah. The ********! > > > .. > > I haven't seen commercial solutions for this, NFS is > > good enough for what I've worked with. But I'm sure > > banks and such would pay a lot more for assurances, > > uptime, and ease of use. > > Well one solution I like to flog is Coherence. > > Unfortunately it costs an arm, a leg, both nuts, and the hair on the nuts. > :-) > > I'm not that familiar with competing products, but off-hand IBM > ObjectGrid can also be used. IBM bundles ObjectGrid with Websphere > probably for this reason. > > .. > > The trick though, is to work overseas, in > > some first world country where companies are willing > > to pay the equivalent of millions of pesos for > > software. In the philippines, most developers/sysads > > won't work with companies that are willing to pay > > that much. > > You're right. Selling here in PH is really hard. The only people who > can really afford the nice solutions are the big banks and telcos. > Having a regional role helps.. > Yep. But remember never to bet against the cheap plastic solutions. We have a way of creeping up on you. > > .. > > Or for low-budget niches. It's not all just about > > playing around. Many companies just can't afford the > > prices in the enterprise space > > Agreed. I used to roll creaky solutions right and left. And at the > time I thought I was being excessively clever. > > I guess if you don't have that huge a revenue, you can tolerate > outages and less-than-enterprise class software. Not really. We have a small revenue but we cant tolerate outages. My boss even wanted our data to survive a nuclear strike in manila or amsterdam. -- Lay low and nourish in obscurity _________________________________________________ Philippine Linux Users' Group (PLUG) Mailing List [email protected] (#PLUG @ irc.free.net.ph) Read the Guidelines: http://linux.org.ph/lists Searchable Archives: http://archives.free.net.ph
