Scaling with CacheObservers (opens in new tab)

(nerds.airbnb.com)

31 pointsAirbnbNerds12y ago6 comments

6 comments

    class ListingCache extends CacheObserver

The rest of the code is Ruby but this isn't. Guessing this code wasn't copied and pasted but written on the fly by someone who's been doing some Java recently? :-)

reissbaker12y ago

...Guilty.

Edit: fixed.

petercooper12y ago

I spent a week porting a Java game to JRuby and I must admit.. I wouldn't actually mind a mixed syntax like this, but it did make do a double take ;-)

1 more reply

bradleyland12y ago

    "There are only two hard problems in Computer Science:
    cache invalidation and naming things."
    
    -- Phil Karlton

Always helpful to see how someone else is solving the problem at scale.

dipth12y ago

Do you plan on open sourcing this?

j / k navigate · click thread line to collapse

6 comments

petercooper12y ago

    class ListingCache extends CacheObserver

The rest of the code is Ruby but this isn't. Guessing this code wasn't copied and pasted but written on the fly by someone who's been doing some Java recently? :-)

reissbaker12y ago

...Guilty.

Edit: fixed.

petercooper12y ago

I spent a week porting a Java game to JRuby and I must admit.. I wouldn't actually mind a mixed syntax like this, but it did make do a double take ;-)

1 more reply

bradleyland12y ago

    "There are only two hard problems in Computer Science:
    cache invalidation and naming things."
    
    -- Phil Karlton

Always helpful to see how someone else is solving the problem at scale.

dipth12y ago

Do you plan on open sourcing this?

j / k navigate · click thread line to collapse