[Gluster-devel] regarding GF_CONTENT_KEY and dht2 - perf with small files

[Jeff Darcy]

> Problem is with workloads which know the files that need to be read
> without readdir, like hyperlinks (webserver), swift objects etc. These
> are two I know of which will have this problem, which can't be improved
> because we don't have metadata, data co-located. I have been trying to
> think of a solution for past few days. Nothing good is coming up :-/

In those cases, caching (at the MDS) would certainly help a lot.  Some
variation of the compounding infrastructure under development for Samba
etc. might also apply, since this really is a compound operation.