[Gluster-devel] more details about "No metadata dependencies" ??
lingyi.pro at gmail.com
Fri Jul 31 05:08:34 UTC 2009
2009/7/31 Harald Stürzebecher <haralds at cs.tu-berlin.de>
> 2009/7/31 Yi Ling <lingyi.pro at gmail.com>:
> > there is a section about metadata on page
> > "No metadata dependencies - metadata management is frequently a source of
> > performance bottlenecks, particularly when there are a very large number
> > files, and can be a single point of failure in traditional file systems.
> > GlusterFS eliminates this problem with intelligent data placement, an
> > automatic data distribution method that optimizes the use of resources
> > eliminates metadata bottlenecks."
> > yes,it's a advantage of GlusterFS. but yet i found no more detailed
> > information about the "intelligent data placement" "an automatic data
> > distribution methed". could anyone explain it in detail? and something
> > file managemment~~~
> AFAIK, the GlusterFS metadata is stored as extended attributes to the
> files in the underlying filesystem.
> Hints can be found here:
> Harald Stürzebecher
thanks for replying~~ but im still confused~~~
in client, what's the routine of an operation like "create"/"read" ,from
client to server (even backend filesystem)?
"the GlusterFS metadata is stored as extended attributes to the files in the
well, after storing, how could i read the file and how to know where the
file is located (or which server/brick the file is stored)
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