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5 Commits

Author SHA1 Message Date
Luke Faraone 71a91197fa Enable absolute imports. 
See PEP 328[1] for details. This feature was introduced in Python 2.5 and
will become mandatory in Python 3.

[1]: http://www.python.org/dev/peps/pep-0328

(imported from commit 7444eeba8a08d5f91b94c7921848f2274979bd76)
 2013-04-23 09:51:17 -07:00
Tim Abbott 36f09729e6 Run the memcached cache filling jobs in separate processes. 
This will significantly improve the speed with which the memcached
caches are filled.

(imported from commit 445fec710a00b3d19b7962beddf89d4a75322eab)
 2013-03-27 12:59:23 -04:00
Tim Abbott 76837ebe2c fill_memcached_caches: Also fill the caches of User/UserProfile objects. 
Since we flush memcached when we do a server restart, the flurry of
get_updates requests that fly in afterwards are all cache misses for
getting the User/UserProfile objects, so Tornado ends up spending
around 70ms per get_updates request rather than the usual 1-2ms.

So this should substantially improve our Tornado performance around
server restarts.

(imported from commit 07b8126bdfd4ff14e4c3362f9eda1fe5fd571c5b)
 2013-03-14 15:07:42 -04:00
Tim Abbott cf58ee833a Rename lib/message_cache.py to lib/cache_helpers.py 
(imported from commit 591e427aee47aea58b50d6c3fbd6a05cfe9378ea)
 2013-03-14 15:07:41 -04:00
Tim Abbott 60c3cf826d restart-server: Fill memcached caches after clearing the cache. 
Our previous code could in theory end up clearing the caches it had
just filled, if Tornado's cache filling work happened to be faster
than the memcached flush.

(imported from commit 48174aadad398fb7a7c917a1df765c1261b12a55)
 2013-03-14 15:07:41 -04:00