Changed backoff to be exponential. This will help to reduce apply_issue flakiness.

rietveld.py

Index: rietveld.py
diff --git a/rietveld.py b/rietveld.py
index d78c0171d468f789ca5be44b3aea1434cd4dbed8..2458565d40fc59b935a8428d78d284123921d8df 100644
--- a/rietveld.py
+++ b/rietveld.py
@@ -409,7 +409,7 @@ class Rietveld(object):
         old_error_exit(msg)
       upload.ErrorExit = trap_http_500
 
-      maxtries = 5
+      maxtries = 10
       for retry in xrange(maxtries):
         try:
           logging.debug('%s' % request_path)
@@ -434,8 +434,8 @@ class Rietveld(object):
             raise
           if not 'timed out' in str(e):
             raise
-        # If reaching this line, loop again. Uses a small backoff.
-        time.sleep(1+maxtries*2)
+        # If reaching this line, loop again. Uses an exponential backoff.
+        time.sleep(1+retry)

[Sergey Berezin, 2014/06/12 17:54:17]

nit: Technically, this is a linear backoff now. Fix the comment?

[Sergiy Byelozyorov, 2014/06/13 09:39:42]

Done.

     finally:
       upload.ErrorExit = old_error_exit