From: kevan Date: Sat, 20 Jun 2009 21:31:30 +0000 (-0700) Subject: remove upper limit on SDMF filesize X-Git-Url: https://git.rkrishnan.org/components/com_hotproperty/%22doc.html/something?a=commitdiff_plain;h=db939750a8831c1eb580d580d403c99ede97c5d6;p=tahoe-lafs%2Ftahoe-lafs.git remove upper limit on SDMF filesize --- diff --git a/src/allmydata/mutable/publish.py b/src/allmydata/mutable/publish.py index b833b8f4..8fc47191 100644 --- a/src/allmydata/mutable/publish.py +++ b/src/allmydata/mutable/publish.py @@ -90,16 +90,6 @@ class Publish: To make the initial publish, set servermap to None. """ - # we limit the segment size as usual to constrain our memory footprint. - # The max segsize is higher for mutable files, because we want to support - # dirnodes with up to 10k children, and each child uses about 330 bytes. - # If you actually put that much into a directory you'll be using a - # footprint of around 14MB, which is higher than we'd like, but it is - # more important right now to support large directories than to make - # memory usage small when you use them. Once we implement MDMF (with - # multiple segments), we will drop this back down, probably to 128KiB. - MAX_SEGMENT_SIZE = 3500000 - def __init__(self, filenode, servermap): self._node = filenode self._servermap = servermap @@ -143,10 +133,6 @@ class Publish: # 5: when enough responses are back, we're done self.log("starting publish, datalen is %s" % len(newdata)) - if len(newdata) > self.MAX_SEGMENT_SIZE: - raise FileTooLargeError("SDMF is limited to one segment, and " - "%d > %d" % (len(newdata), - self.MAX_SEGMENT_SIZE)) self._status.set_size(len(newdata)) self._status.set_status("Started") self._started = time.time() @@ -262,7 +248,7 @@ class Publish: return self.done_deferred def setup_encoding_parameters(self): - segment_size = min(self.MAX_SEGMENT_SIZE, len(self.newdata)) + segment_size = len(self.newdata) # this must be a multiple of self.required_shares segment_size = mathutil.next_multiple(segment_size, self.required_shares)