Regarding Live Journal Setup

[dormando]

Ajinkya Nahar wrote:
> Hi all,
> 
>  
> 
> Whenever a memcached node gets added or deleted, how does 
> livejournal.com handle it?
> 
> Does it remove the server from the memcache client server list?
> 
> If so, then do they flush out the cache or do they use consistent 
> hashing (or some proprietary hashing) scheme?
> 
> Please let me know your comments on this.
> 
>  
> 
> Regards,
> 
> Ajinkya
> 
>  
> 

Consistent hashing was recently enabled. Works fine.

  Adding and removing memcacheds to the list hardly has any impact 
anymore. It's using the standard perl client and output from Brad's 
Set::ConsistentHash to seed the list - nothing fancy. Er, I guess 
besides the consistent hashing thing.

-Dormando