Persistent cache

Richard Heycock rgh at
Mon Feb 15 18:53:35 EST 2010

Excerpts from Sean Cribbs's message of 2010-02-04 23:51:25 +1100:
> I asked Justin about this the other day (the TTL issue).  Unfortunately, 
> Riak will ignore any Expires or Cache-Control headers you send.  That 
> said, you could easily implement TTL in your application with 
> X-Riak-Meta-* headers or as a map phase.

Hi Sean,

Sorry for the late response.

When you say the map phase do you mean that I could set up a garbage
collector that periodically searches for out-of-date fields and delete


> Sean
> On 2/4/10 7:41 AM, Richard Heycock wrote:
> > I would love to use riak as a persistent cache with either a fixed size
> > or TTL. The only storage backend that appears to support this is the
> > in-memory one which kind of defeats the purpose! Are there any other
> > storage backends that support this?
> >
> > rgh
> >    
Richard Heycock

+61 (0) 410 646 369
[e]:  rgh at
[im]: rgh at

More information about the riak-users mailing list