[Lustre-devel] storing SOM epoch in EA
vitaly at sun.com
Tue Feb 19 02:59:47 PST 2008
> Can we use IAM for storing epoch? It is fast and does not have such
> strong size limitations.
there are no size limitations, EA can be stored in a separate
block, we just want to minimize IO.
> We could make "epoch" index in mkfs time (like
> it is done for existing indexes now) and use object's fid as a key and
> epoch as value.
this looks like it will double IO/seeks for each inode.
More information about the lustre-devel