At http://bzr.arbash-meinel.com/branches/bzr/1.8-dev/lighter_log_file
------------------------------------------------------------
revno: 3726
revision-id: [EMAIL PROTECTED]
parent: [EMAIL PROTECTED]
committer: John Arbash Meinel <[EMAIL PROTECTED]>
branch nick: lighter_log_file
timestamp: Thu 2008-09-18 22:42:24 -0500
message:
Work around GraphIndex inefficiencies by requesting keys 1000 at a time.
=== modified file 'bzrlib/log.py'
--- a/bzrlib/log.py 2008-09-19 03:21:39 +0000
+++ b/bzrlib/log.py 2008-09-19 03:42:24 +0000
@@ -562,12 +562,16 @@
# Do a direct lookup of all possible text keys, and figure out which ones
# are actually present, and then convert it back to revision_ids, since the
# file_id prefix is shared by everything.
- text_parent_map = branch.repository.texts.get_parent_map(text_keys)
# Using a set of revisions instead of a set of keys saves about 1MB (out of
# say 400). Not a huge deal, but still "better".
- modified_text_revisions = set(key[1] for key in text_parent_map)
- del text_parent_map
- del text_keys
+ get_parent_map = branch.repository.texts.get_parent_map
+ modified_text_revisions = set()
+ chunk_size = 1000
+ for start in xrange(0, len(text_keys), chunk_size):
+ next_keys = text_keys[start:start + chunk_size]
+ modified_text_revisions.update(
+ [k[1] for k in get_parent_map(next_keys)])
+ del text_keys, next_keys
result = []
if direction == 'forward':
--
bazaar-commits mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/bazaar-commits
