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yunhuizhu / memcached

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memcached 1.4.13 supports persistent connections, but 1.4.15 does not support #288

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
What steps will reproduce the problem?
1.we use spymemcached to connect memcached 1.4.13,persistent connections is ok.
2.we use the same spymemcached to connect memcached 1.4.15,The connection is 
reset.

What is the expected output? What do you see instead?

What version of the product are you using? On what operating system?
memcached-1.4.15;
spymemcached-2.8.1
Linux 2.6.18-274.el5 #1 SMP Fri Jul 8 17:36:59 EDT 2011 x86_64 x86_64 x86_64 
GNU/Linux

Please provide any additional information below.
# tcpdump -S -nn -i lo host 127.0.0.1 and  port 11211
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on lo, link-type EN10MB (Ethernet), capture size 96 bytes
11:35:19.195814 IP 127.0.0.1.36921 > 127.0.0.1.11211: S 
2081021987:2081021987(0) win 32792 <mss 16396,sackOK,timestamp 1634167013 
0,nop,wscale 7>
11:35:19.195878 IP 127.0.0.1.11211 > 127.0.0.1.36921: S 
2075324798:2075324798(0) ack 2081021988 win 32768 <mss 16396,sackOK,timestamp 
1634167013 1634167013,nop,wscale 7>
11:35:19.195932 IP 127.0.0.1.36921 > 127.0.0.1.11211: . ack 2075324799 win 257 
<nop,nop,timestamp 1634167013 1634167013>

11:48:21.633997 IP 127.0.0.1.11211 > 127.0.0.1.36921: F 
2075324799:2075324799(0) ack 2081021988 win 256 <nop,nop,timestamp 1634949463 
1634167013>
11:48:21.634459 IP 127.0.0.1.36921 > 127.0.0.1.11211: . ack 2075324800 win 257 
<nop,nop,timestamp 1634949463 1634949463>

13:04:25.597657 IP 127.0.0.1.36921 > 127.0.0.1.11211: F 
2081021988:2081021988(0) ack 2075324800 win 257 <nop,nop,timestamp 1639513492 
1634949463>
13:04:25.597674 IP 127.0.0.1.11211 > 127.0.0.1.36921: R 
2075324800:2075324800(0) win 0

Original issue reported on code.google.com by dinstone@163.com on 25 Sep 2012 at 3:03

GoogleCodeExporter commented 9 years ago 
can you run this test with memcached in the foreground with -vvv enabled?

does it happen with 1.4.14? I don't see how this particular issue is possible.

Original comment by dorma...@rydia.net on 25 Sep 2012 at 3:10

GoogleCodeExporter commented 9 years ago 
Closing this bug... please reopen with the information I requested if you're 
still having trouble.

Original comment by dorma...@rydia.net on 13 Jan 2013 at 1:00

GoogleCodeExporter commented 9 years ago 
I think this problem is the problem of our network, very sorry.

Original comment by dinstone@163.com on 15 Jan 2013 at 5:32