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authorSam Thursfield <sam.thursfield@codethink.co.uk>2014-11-06 15:55:19 +0000
committerAdam Coldrick <adam.coldrick@codethink.co.uk>2015-01-23 10:04:08 +0000
commit88f0a35ba71044b84161e3d8d9e6bbb1314118cd (patch)
tree181afe7b3f072fea90090e17a40f90a427ce78b0 /morphcacheserver
parent854983f275dd6b6f3f8185403f4a618e8bad8c81 (diff)
downloadmorph-88f0a35ba71044b84161e3d8d9e6bbb1314118cd.tar.gz
Add an LRU cache for resolved tree refs
This uses the PyLRU module, from: <https://pypi.python.org/pypi/pylru/1.0.6>. Python 3.2 and newer provide a built-in LRU cache, but this is specifically for in-memory use. See <http://bugs.python.org/issue17528>. Git commits are immutable, so caching information about their contents is fairly easy and trouble-free. There's no danger of the cache becoming stale.
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