On Sun, Apr 30, 2017 at 9:33 AM, Raghavendra Gowdappa <[email protected]> wrote:
> All, > > Its a common perception that the resolution of a file having linkto file > on the hashed-subvol requires two hops: > > 1. client to hashed-subvol. > 2. client to the subvol where file actually resides. > > While it is true that a fresh lookup behaves this way, the other fact that > get's ignored is that fresh lookups on files are almost always prevented by > readdirplus. Since readdirplus picks the dentry from the subvolume where > actual file (data-file) resides, the two hop cost is most likely never > witnessed by the application. > > A word of caution is that I've not done any testing to prove this > observation :). > May be you should do it and send an update. That way we can use the knowledge to do something. > > regards, > Raghavendra > _______________________________________________ > Gluster-users mailing list > [email protected] > http://lists.gluster.org/mailman/listinfo/gluster-users > -- Pranith
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