[MERGE] A hack to make urllib not call recv(1) lots and lots.
Andrew Bennetts
andrew at canonical.com
Sun Mar 16 19:56:58 GMT 2008
Pavel Pergamenshchik at PyCon noticed that "bzr branch http://..." on a large
branch was using lots of CPU, and strace showed that it was making a huge number
of recv(1) calls to read bytes off the socket one byte at a time. It seems this
is caused because httplib's HTTPResponse doesn't specify a buffer size for the
fileobject it constructs from its socket, and it doesn't provide a way to
override this.
This patch is a hack to fix this. It's a bit dirty, but it massively reduces
the number of recv calls bzr makes with urllib.
-Andrew.
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