.

go/neo/notes.txt

+Storage layout
+--------------
+
+meta/
+data/
+    1 inbox/	(commit queues)
+    2 ? (data.fs)
+    3. packed/
+
+
+Commit without deadlocks & master
+---------------------------------
+
+Nreplica=2
+
+	S1     S2
+	^`  .' ^
+	|  x   |
+	|.'  ` |
+	C1     C2
+
+events order
+
+(in parallel)
+1a: C1 -> S1 (oid1)
+1b: C2 -> S2 (oid1)
+
+(in parallel)
+2a: C2 -> S1 (oid2)
+2b: C1 -> S2 (oid2)
+
+would be deadlock.
+
+Conflict:
+
+	oid1 S1 C1 C2
+	oid1 S2 C2 C1
+
+who wins?
+
+   |
+   v
+
+sort by (oid, S, Ci, Cj)
+
+   |
+   v
+
+if conflict -> second C gets conflict error; first C succeeds.