From 24b691e452375c2d9086165275f29c7390fa024d Mon Sep 17 00:00:00 2001
From: Vinicius Ronconi <vinicius.ronconi@gmail.com>
Date: Thu, 16 Jun 2016 07:22:51 -0300
Subject: [PATCH 1/2] Fix set_multi method when all items in mapping are
 greater than self.server_max_value_length. When it happens, servers are
 marked as dead and next commands will for some seconds (according to
 _DEAD_RETRY value)

---
 memcache.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/memcache.py b/memcache.py
index 9823a2f..82c5bc6 100644
--- a/memcache.py
+++ b/memcache.py
@@ -910,6 +910,7 @@ def set_multi(self, mapping, time=0, key_prefix='', min_compress_len=0,
         # send out all requests on each server before reading anything
         dead_servers = []
         notstored = []  # original keys.
+        has_valid_content = False
 
         for server in six.iterkeys(server_keys):
             bigcmd = []
@@ -926,6 +927,7 @@ def set_multi(self, mapping, time=0, key_prefix='', min_compress_len=0,
                                                    noreply,
                                                    b'\r\n', val, b'\r\n')
                         write(fullcmd)
+                        has_valid_content = True
                     else:
                         notstored.append(prefixed_to_orig_key[key])
                 server.send_cmds(b''.join(bigcmd))
@@ -939,6 +941,9 @@ def set_multi(self, mapping, time=0, key_prefix='', min_compress_len=0,
         if noreply:
             return notstored
 
+        if not has_valid_content:
+            return notstored
+
         # if any servers died on the way, don't expect them to respond.
         for server in dead_servers:
             del server_keys[server]

From 637b61a4b80a1feccdcdc9a42869b4a834f09d49 Mon Sep 17 00:00:00 2001
From: Vinicius Ronconi <vinicius.ronconi@gmail.com>
Date: Thu, 16 Jun 2016 07:22:51 -0300
Subject: [PATCH 2/2] Fix set_multi method when all items in mapping are
 greater than self.server_max_value_length. When it happens, servers are
 marked as dead and next commands will for some seconds (according to
 _DEAD_RETRY value)

---
 memcache.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/memcache.py b/memcache.py
index 82c5bc6..2183407 100644
--- a/memcache.py
+++ b/memcache.py
@@ -942,7 +942,7 @@ def set_multi(self, mapping, time=0, key_prefix='', min_compress_len=0,
             return notstored
 
         if not has_valid_content:
-            return notstored
+            return mapping.keys()
 
         # if any servers died on the way, don't expect them to respond.
         for server in dead_servers: