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calc_stats: use archive stats metadata, if available

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by default, we still have to compute unique_csize the slow way,
but the code offers want_unique=False param to not compute it.
This commit is contained in:
Thomas Waldmann 2019-02-23 14:56:53 +01:00
parent e569595974
commit 6809f6f7fa
1 changed files with 39 additions and 21 deletions
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60
src/borg/archive.py
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@ -549,30 +549,48 @@ def save(self, name=None, comment=None, timestamp=None, stats=None, additional_m
self.repository.commit(compact=False)
self.cache.commit()
def calc_stats(self, cache):
def add(id):
entry = cache.chunks[id]
archive_index.add(id, 1, entry.size, entry.csize)
def calc_stats(self, cache, want_unique=True):
have_borg12_meta = self.metadata.get('nfiles') is not None
if have_borg12_meta and not want_unique:
unique_csize = 0
else:
def add(id):
entry = cache.chunks[id]
archive_index.add(id, 1, entry.size, entry.csize)
archive_index = ChunkIndex()
sync = CacheSynchronizer(archive_index)
add(self.id)
pi = ProgressIndicatorPercent(total=len(self.metadata.items), msg='Calculating statistics... %3d%%')
for id, chunk in zip(self.metadata.items, self.repository.get_many(self.metadata.items)):
pi.show(increase=1)
add(id)
data = self.key.decrypt(id, chunk)
sync.feed(data)
unique_csize = archive_index.stats_against(cache.chunks)[3]
pi.finish()
archive_index = ChunkIndex()
sync = CacheSynchronizer(archive_index)
add(self.id)
pi = ProgressIndicatorPercent(total=len(self.metadata.items), msg='Calculating statistics... %3d%%')
for id, chunk in zip(self.metadata.items, self.repository.get_many(self.metadata.items)):
pi.show(increase=1)
add(id)
data = self.key.decrypt(id, chunk)
sync.feed(data)
unique_csize = archive_index.stats_against(cache.chunks)[3]
pi.finish()
stats = Statistics()
stats.nfiles = sync.num_files_totals if self.consider_part_files \
else sync.num_files_totals - sync.num_files_parts
stats.osize = sync.size_totals if self.consider_part_files \
else sync.size_totals - sync.size_parts
stats.csize = sync.csize_totals if self.consider_part_files \
else sync.csize_totals - sync.csize_parts
stats.usize = unique_csize # the part files use same chunks as the full file
if not have_borg12_meta:
if self.consider_part_files:
stats.nfiles = sync.num_files_totals
stats.osize = sync.size_totals
stats.csize = sync.csize_totals
else:
stats.nfiles = sync.num_files_totals - sync.num_files_parts
stats.osize = sync.size_totals - sync.size_parts
stats.csize = sync.csize_totals - sync.csize_parts
else:
if self.consider_part_files:
stats.nfiles = self.metadata.nfiles_parts + self.metadata.nfiles
stats.osize = self.metadata.size_parts + self.metadata.size
stats.csize = self.metadata.csize_parts + self.metadata.csize
else:
stats.nfiles = self.metadata.nfiles
stats.osize = self.metadata.size
stats.csize = self.metadata.csize
return stats
@contextmanager