Read vs. write performance (sloppiness in memcache)

[Brion Vibber]

Anatoly Vorobey wrote:

>By setting TCP_NODELAY on the server socket, we eliminate the waits
>and seem to completely fix the problem, at least for this particular
>kind of test, where we don't have many consecutive writes. The wait time
>for receiving 500 values drops from 20sec. to 1 or 0. Brion, can you
>verify this with your setup? The patch below makes the server set
>TCP_NODELAY.
>

Verified. With the patched server, it runs like lightning. Tested both 
server and client on both BSD and Linux.

>On the other hand, what if the client requests 100 keys in one GET
>request?
>

Can someone whip up a quick script that tests this? I've been unable to 
make it work using either the Perl or PHP clients, but I may just not 
know what I'm doing.

-- brion vibber (brion @ pobox.com)