On 12 October 2011 23:53, Shane Hathaway sh...@hathawaymix.org wrote:
As I see it, a cache of this type can take 2 basic approaches: it can
either store {oid: (state, tid)}, or it can store {(oid, tid): (state,
last_tid)}. The former approach is much simpler, but since memcache has
no
Le mercredi 12 octobre 2011 11:55:43, Vincent Pelletier a écrit :
distributed
Woops. Networked lock server. Not distributed.
--
Vincent Pelletier
ERP5 - open source ERP/CRM for flexible enterprises
___
For more information about ZODB, see
On 10/09/2011 08:26 AM, Jim Fulton wrote:
On Sat, Oct 8, 2011 at 4:34 PM, Shane Hathawaysh...@hathawaymix.org wrote:
On 10/05/2011 11:40 AM, Pedro Ferreira wrote:
Hello all,
While doing some googling on ZEO + memcache I came across this:
https://github.com/eleddy/zeo.memcache
Has anybody
On 10/12/2011 04:53 PM, Shane Hathaway wrote:
Given the choice to structure the cache as {(oid, tid): (state,
last_tid)}, a simple way to use the cache would be to get the last
committed tid from the database and use that tid for the lookup key.
This would be extremely efficient until the next
Le Sat, 08 Oct 2011 14:34:59 -0600, Shane Hathaway
sh...@hathawaymix.org a �crit:
On 10/05/2011 11:40 AM, Pedro Ferreira wrote:
Hello all,
While doing some googling on ZEO + memcache I came across this:
https://github.com/eleddy/zeo.memcache
Has anybody ever tried it?
Having
On Sat, Oct 8, 2011 at 4:34 PM, Shane Hathaway sh...@hathawaymix.org wrote:
On 10/05/2011 11:40 AM, Pedro Ferreira wrote:
Hello all,
While doing some googling on ZEO + memcache I came across this:
https://github.com/eleddy/zeo.memcache
Has anybody ever tried it?
Having implemented
Hi,
Am 07.10.2011 01:57, schrieb Vincent Pelletier:
Le jeudi 06 octobre 2011 21:18:39, Andreas Gabriel a écrit :
I couldn't resist writing my own version inspired from your code:
https://github.com/vpelletier/python-memcachelock
That's no problem :)
It lacks any integration with ZODB.
It
Le vendredi 7 octobre 2011 10:15:34, Andreas Gabriel a écrit :
self._update() in the while loop is called (calls indirectly the memcache
query method, a synonym for get) before the cas method is called.
In my understanding from pydoc memcache, there is get, which loads, and
gets which loads
Hi,
Am 07.10.2011 11:18, schrieb Vincent Pelletier:
Le vendredi 7 octobre 2011 10:15:34, Andreas Gabriel a écrit :
self._update() in the while loop is called (calls indirectly the memcache
query method, a synonym for get) before the cas method is called.
In my understanding from pydoc
Le vendredi 7 octobre 2011 14:16:42, Andreas Gabriel a écrit :
However, is your implementation thread safe? Maybe I am blind ;). That was
the reason I used lovely.memcached as memcached connector. Each thread has
its own connection and namespace to store keys. Therefore, the locks from
one or
Le mercredi 05 octobre 2011 19:45:38, Jim Fulton a écrit :
Interesting. I'll review it.
I gave it a look.
From what I see, I don't think this can be used by more than a single zope at
a time. My bigest hint toward this is that there is a lock on class instance
which is not visible in
Hi,
On 06.10.2011 19:59, Vincent Pelletier wrote:
synchronisation. Supporting such setup requires using the test-and-set
memcached operation, plus some sugar. I just don't think this was intended to
be supported in the original code.
Maybe this code will help as example for the shared
So accesses from different processes (or even
different instances of the cache connector) will modify it without
synchronisation. Supporting such setup requires using the test-and-set
memcached operation, plus some sugar. I just don't think this was intended to
be supported in the original
Le jeudi 06 octobre 2011 21:18:39, Andreas Gabriel a écrit :
Maybe this code will help as example for the shared locking problem
https://svn.plone.org/svn/collective/unimr.memcachedlock/trunk/unimr/memcac
hedlock/memcachedlock.py
I couldn't resist writing my own version inspired from your
On Wed, Oct 5, 2011 at 1:40 PM, Pedro Ferreira
jose.pedro.ferre...@cern.ch wrote:
Hello all,
While doing some googling on ZEO + memcache I came across this:
https://github.com/eleddy/zeo.memcache
Interesting. I'll review it.
Thanks for pointing it out.
Jim
--
Jim Fulton
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