Mercurial > hg-stable
view comparison.txt @ 2080:1cbb14c048cb
Reduce index memory usage by storing the bare string instead of tuples
Storing the tuple returned by struct.unpack significantly increases
the memory required to store the entire index in ram. This patch
uses struct.unpack on demand instead.
| author | mason@suse.com |
|---|---|
| date | Tue, 04 Apr 2006 19:00:40 -0400 |
| parents | 2073e5a71008 |
| children |
line wrap: on
line source
Mercurial git BK (*) storage revlog delta compressed revisions SCCS weave storage naming by filename by revision hash by filename merge file DAGs changeset DAG file DAGs? consistency SHA1 SHA1 CRC signable? yes yes no retrieve file tip O(1) O(1) O(revs) add rev O(1) O(1) O(revs) find prev file rev O(1) O(changesets) O(revs) annotate file O(revs) O(changesets) O(revs) find file changeset O(1) O(changesets) ? checkout O(files) O(files) O(revs)? commit O(changes) O(changes) ? 6 patches/s 6 patches/s slow diff working dir O(changes) O(changes) ? < 1s < 1s ? tree diff revs O(changes) O(changes) ? < 1s < 1s ? hardlink clone O(files) O(revisions) O(files) find remote csets O(log new) rsync: O(revisions) ? git-http: O(changesets) pull remote csets O(patch) O(modified files) O(patch) repo growth O(patch) O(revisions) O(patch) kernel history 300M 3.5G? 250M? lines of code 2500 6500 (+ cogito) ?? * I've never used BK so this is just guesses