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Bug #58261 persistent connections with binary protocol?
Submitted: 2008-07-02 10:01 UTC Modified: 2008-07-03 07:36 UTC
From: jason at cubedthree dot com Assigned:
Status: Duplicate Package: memcache (PECL)
PHP Version: 5_2 CVS-2008-07-02 (dev) OS: linux (gentoo)
Private report: No CVE-ID: None
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From: jason at cubedthree dot com
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 [2008-07-02 10:01 UTC] jason at cubedthree dot com 
Description:
------------
I'm not sure if this is the intended mode of operation, but when switching from ascii to binary protocol in 3.0.1, I noticed that memcache no longer uses persistent connections.  Switching back to ascii protocol verifies this.  I'm not using sessions through memcache (if that matters).

Reproduce code:
---------------
--- cache_lib.php ---
$CACHE_HANDLE = new Memcache;
$CACHE_HANDLE->addServer('10.8.147.2', 11211);
$CACHE_HANDLE->addServer('10.8.147.3', 11211);


--- memcache.ini ---
;memcache.protocol=ascii
memcache.protocol=binary
---

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 [2008-07-03 04:19 UTC] jason at cubedthree dot com 
Doing a little more with this, I've found that using against Memcached 1.3.0, when configuring Memcached with -vv flag, I notice the following:

---
<25 new auto-negotiating client connection
Negotiating protocol for a new connection
Negotiated protocol as ascii.
<26 new auto-negotiating client connection
Negotiating protocol for a new connection
Negotiated protocol as ascii.
<27 new auto-negotiating client connection
Negotiating protocol for a new connection
Negotiated protocol as ascii.
<25 connection closed.
<26 connection closed.
<25 new auto-negotiating client connection
Negotiating protocol for a new connection
Negotiated protocol as ascii.
<26 new auto-negotiating client connection
Negotiating protocol for a new connection
Negotiated protocol as ascii.
<27 connection closed.
---

So, it appears as though the protocol isn't being auto-negotiated corrected.  If you need additional information, please let me know.  Thanks.
 [2008-07-03 07:36 UTC] mikael at synd dot info 
This is a duplicate of Bug #13592

The binary protocol implementation in version 3.0.1 isn't compatible with the latest memcached release, if you check out and build pecl/memcache from CVS the protocol implementation has been updated to match.
 
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