Moving your container servers to SSDs is the fastest way to get better 
performance out of them.

Although there have been many discussions about how to do internal container 
sharding, I'm not aware of any current ongoing work there (although I'd love to 
see someone work on it).

--John




On Feb 10, 2014, at 12:32 PM, Stephen Wood <smwo...@gmail.com> wrote:

> We've been having issues with our container servers timing out and simply 
> returning a 404. The container servers themselves are on busy disks that 
> aren't particularly overloaded, but are definitely under load.
> 
> The messages look like the following:
> Feb 10 20:22:19 proxy01 swift ERROR with Container server 
> storage01:6001/slot-11 re: Trying to GET /v1/AUTH_swift/very_busy_container: 
> Timeout (10s) (txn: tx6b921c72e5524589839fe-0052f934e7
> 
> I realize this container has too many keys, but unfortunately I cannot shard 
> it for now because we need to keep parity with S3 (which does internal bucket 
> sharding).
> 
> What are the best ways to tackle busy container servers timing out? Should I 
> increase the node timeout, or begin creating separate container servers that 
> are running on SSDs? Is there any serious drawback to increase the node 
> timeout?
> 
> Also, has there been any update on internal container sharding? This feature 
> would make S3 migrations much easier.
> 
> Any advice would be very helpful. Thank you.
> 
> -- 
> Stephen Wood
> www.heystephenwood.com
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