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Add notes about pooling to the readme.

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lericson 2009-09-21 17:31:25 +02:00
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README.rst
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@ -46,6 +46,24 @@ The ``hash`` and ``distribution`` keys are mapped by the Python module to consta
integer values used by `libmemcached`. See ``pylibmc.hashers`` and
``pylibmc.distributions``.
Pooling
=======
In multithreaded environments, accessing the same memcached client object is
both unsafe and counter-productive in terms of performance. `libmemcached`'s
take on this is to introduce pooling on C level, which is correspondingly
mapped to pooling on Python level in `pylibmc`::
>>> mc = pylibmc.Client(["127.0.0.1"])
>>> pool = pylibmc.ThreadMappedPool(mc)
>>> # (in a thread...)
>>> with pool.reserve() as mc:
... mc.set("hello", "world")
For more information on pooling, see `my two`__ `long posts`__ about it.
__ http://lericson.blogg.se/code/2009/september/draft-sept-20-2009.html
__ http://lericson.blogg.se/code/2009/september/pooling-with-pylibmc-pt-2.html
Comparison to other libraries
=============================