comparison mercurial/streamclone.py @ 51552:49faa72b994e

streamclone: stop listing files for entries that have no volatile files

This will save a lot of python related time.

This significantly boost performance. The following number comes from a large
private repository using perf::stream-locked-section:

base-line:   35.04 seconds
prev-change: 24.51 seconds (-30%)
prev-change: 20.88 seconds (-40%)
prev-change: 14.22 seconds (-60%)
this-change: 11.58 seconds (-67% from baseline; -18% from prev)

51551:6e4c8366c5ce

    )
    progress.update(0)
    with TempCopyManager() as copy, progress:
        # create a copy of volatile files
        for k, vfs, e in entries:
            for f in e.files():
                if f.is_volatile:
                    f.file_size(vfs)  # record the expected size under lock
                    copy(vfs.join(f.unencoded_path))
        # the first yield release the lock on the repository
        yield None

        yield util.uvarintencode(total_entry_count)

51552:49faa72b994e

    )
    progress.update(0)
    with TempCopyManager() as copy, progress:
        # create a copy of volatile files
        for k, vfs, e in entries:
            if e.maybe_volatile:
                for f in e.files():
                    if f.is_volatile:
                        # record the expected size under lock
                        f.file_size(vfs)
                        copy(vfs.join(f.unencoded_path))
        # the first yield release the lock on the repository
        yield None

        yield util.uvarintencode(total_entry_count)