view mercurial/cacheutil.py @ 51284:58d39c7865e5

usage: configure uncompressed chunk cache through resource configuration

Let's use this new concept for what it is meant for.

This provides a sizable speed up for reading multiple revision for some complexe
repositories.


### data-env-vars.name            = pypy-2018-08-01-zstd-sparse-revlog
  # benchmark.name                = hg.perf.read-revisions
  # benchmark.variants.order      = reverse
memory-medium: 1.892400
memory-high:   1.722934   (-8.61%)
  # benchmark.variants.order      = default
memory-medium: 1.751542
memory-high:   1.589340   (-9.49%)

# scmutil.py - Mercurial core utility functions
#
#  Copyright Olivia Mackall <[e-mail]> and other
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

from . import repoview


def cachetocopy(srcrepo):
    """return the list of cache file valuable to copy during a clone"""
    # In local clones we're copying all nodes, not just served
    # ones. Therefore copy all branch caches over.
    cachefiles = [b'branch2']
    cachefiles += [b'branch2-%s' % f for f in repoview.filtertable]
    cachefiles += [b'rbc-names-v1', b'rbc-revs-v1']
    cachefiles += [b'tags2']
    cachefiles += [b'tags2-%s' % f for f in repoview.filtertable]
    cachefiles += [b'hgtagsfnodes1']
    return cachefiles