binary wire protocol in memcached

Dustin Sallings dustin at
Wed Sep 5 17:32:18 UTC 2007

On Sep 4, 2007, at 13:43 , Steven Grimm wrote:

> It does, but Brad felt my implementation wasn't good enough to  
> check into the official tree. I actually agree with him; it was a  
> quick hack that is not at all elegant. It basically loops through  
> every key in the cache comparing against the regex, blocking all  
> other requests while it runs. On a large cache that means it locks  
> up memcached for a long period of time, causing client timeouts and  
> so forth.
> We used it once or twice after I wrote it last year, then decided  
> it was too painful and haven't touched it since. It is not  
> something I have any interest in fielding support questions about  
> (since I am fully aware that it sucks) so I haven't been inclined  
> to publish it. Anyone who wants to can probably reproduce it pretty  
> easily; go for the most naive implementation you can think of and  
> you'll probably be pretty close.

	What were you using as a regex engine?

Dustin Sallings

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