Changes between Version 2 and Version 3 of Performance

Timestamp:

2007-09-09T00:41:42Z (17 years ago)

Author:

warner

Comment:

--

Performance

@@ -28 +28 @@
 storage nodes are local) takes 46s for 100 1kB files and 369s for 1000 files.
 
-
+Small files seem to be limited by a per-file overhead. Large files are limited
+by the link speed.
 
 === Roundtrips ===
@@ -55 +56 @@
 although the results aren't conclusive.
 
+With the pipeline-sends patch, my uploads take A+B*size time, where A is 790ms
+and B is 1/23.4kBps . 3.3/B gives the same speed that basic 'scp' gets, which
+ought to be my upstream bandwidth. This suggests that the main limitation to
+upload speed is the constant per-file overhead, and the FEC expansion factor.
+
 == Storage Servers ==