cleanup of revlog.group when repository is local
revlog.group cached every chunk from the revlog, the behaviour was
needed to minimize the roundtrip with old-http.
We now cache the revlog data ~4MB at a time.
The memory used server side when pulling goes down to 35Mo maximum
whereas without the patch more than 160Mo was used when cloning the linux kernel
repository.
The time used by cloning is higher mainly because of the check in revlog.revision.
before
110.25user 20.90system 2:52.00elapsed 76%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+708707minor)pagefaults 0swaps
after
117.56user 18.86system 2:50.43elapsed 80%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+748366minor)pagefaults 0swaps
# statichttprepo.py - simple http repository class for mercurial
#
# This provides read-only repo access to repositories exported via static http
#
# Copyright 2005 Matt Mackall <mpm@selenic.com>
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.
from demandload import demandload
demandload(globals(), "changelog filelog httprangereader")
demandload(globals(), "localrepo manifest os urllib urllib2")
class rangereader(httprangereader.httprangereader):
def read(self, size=None):
try:
return httprangereader.httprangereader.read(self, size)
except urllib2.URLError, inst:
raise IOError(None, str(inst))
def opener(base):
"""return a function that opens files over http"""
p = base
def o(path, mode="r"):
f = os.path.join(p, urllib.quote(path))
return rangereader(f)
return o
class statichttprepository(localrepo.localrepository):
def __init__(self, ui, path):
self.path = (path + "/.hg")
self.ui = ui
self.opener = opener(self.path)
self.manifest = manifest.manifest(self.opener)
self.changelog = changelog.changelog(self.opener)
self.tagscache = None
self.nodetagscache = None
self.encodepats = None
self.decodepats = None
def dev(self):
return -1
def local(self):
return False