Hi,
I'm trying to setup a GlusterFS cluster on AWS for hosting static content which will be served by an Apache server.
Gluster will host about a very large amount of small files summing up to couple of TB.
In this scenario almost 90% of each IO is of type "getattr" in charge of checking static file date ( apache last modified ) and I'm expecting a lot of IOPS ( getattr).
I've already planned to run Gluster server on several nodes to split load and on performant disks to handle this load. Choose filesystem is XFS .
Here are my questions:
1. How does GlusterFS handles getattr requests? reading from disks or served by server cache?
2. Do you suggest to use NFS or Gluster on Client side ?
3. To ensure cluster will sustain the load should I increase disk IO or Server resources CPU RAM?
4. In case of getattr request on server 1, does gluster server node check its content only or does it query all other replica ?
Many thanks for your answers.
GPic
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