Create basic directory structure

All new features specs go into in_progress directory.
Once signed off, it should be moved to done directory.

For now,
This change moves all the Gluster 4.0 feature specs to
in_progress. All other specs are under done/release-version.

More cleanup required will be done incrementally.

Change-Id: Id272d301ba8c434cbf7a9a966ceba05fe63b230d
BUG: 1206539
Signed-off-by: Raghavendra Talur <rtalur@redhat.com>
Reviewed-on: http://review.gluster.org/11969
Reviewed-by: Humble Devassy Chirammal <humble.devassy@gmail.com>
Reviewed-by: Prashanth Pai <ppai@redhat.com>
Tested-by: Humble Devassy Chirammal <humble.devassy@gmail.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/done/Features/nufa.md b/done/Features/nufa.md
new file mode 100644
index 0000000..03b8194
--- /dev/null
+++ b/done/Features/nufa.md
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+# NUFA Translator
+
+The NUFA ("Non Uniform File Access") is a variant of the DHT ("Distributed Hash
+Table") translator, intended for use with workloads that have a high locality
+of reference.  Instead of placing new files pseudo-randomly, it places them on
+the same nodes where they are created so that future accesses can be made
+locally.  For replicated volumes, this means that one copy will be local and
+others will be remote; the read-replica selection mechanisms will then favor
+the local copy for reads.  For non-replicated volumes, the only copy will be
+local.
+
+## Interface
+
+Use of NUFA is controlled by a volume option, as follows.
+
+	gluster volume set myvolume cluster.nufa on
+
+This will cause the NUFA translator to be used wherever the DHT translator
+otherwise would be.  The rest is all automatic.
+