[NFS-Ganesha-Devel] Re: Caching in NFS Ganesha
On 9/14/23 11:00, Frank Filz wrote:
> I hope, that this is the right place for my question.
> I want to ask if there are any caches by default. In the documentation I found
> something concerning the MDCache. The most settings there are for the caching
> of read access and metadata. Unless I am misunderstanding But I want to know,
> if there is a some cache for write operation. In the end, I would like to know if
> there is a possibility of data loss due to data cached at the Ganesha layer.
> As a side note, we are using Ganesha together with GlusterFS
Ganesha has a metadata cache but no data cache. I'm not sure if libglfs does any data
caching.
Also, the metadata cache in Ganesha is a write-through cache, not a
write-back cache, to metadata is always consistent on the back end.
Daniel