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Merge pull request #238 from ThomasWaldmann/index-archive-optional 

temporary hack to avoid using lots of disk space for chunks.archive.d
This commit is contained in:
TW 2015-10-03 19:12:52 +02:00
parent 1207e1a4fa 8978515991
commit 23bfe4d1bc
1 changed files with 18 additions and 11 deletions
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29
borg/cache.py
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@ -219,9 +219,12 @@ class Cache:
return path.encode('utf-8')
def cached_archives():
fns = os.listdir(archive_path)
# filenames with 64 hex digits == 256bit
return set(unhexlify(fn) for fn in fns if len(fn) == 64)
if self.do_cache:
fns = os.listdir(archive_path)
# filenames with 64 hex digits == 256bit
return set(unhexlify(fn) for fn in fns if len(fn) == 64)
else:
return set()
def repo_archives():
return set(info[b'id'] for info in self.manifest.archives.values())
@ -258,14 +261,15 @@ class Cache:
if b'chunks' in item:
for chunk_id, size, csize in item[b'chunks']:
add(chunk_idx, chunk_id, size, csize)
fn = mkpath(archive_id)
fn_tmp = mkpath(archive_id, suffix='.tmp')
try:
chunk_idx.write(fn_tmp)
except Exception:
os.unlink(fn_tmp)
else:
os.rename(fn_tmp, fn)
if self.do_cache:
fn = mkpath(archive_id)
fn_tmp = mkpath(archive_id, suffix='.tmp')
try:
chunk_idx.write(fn_tmp)
except Exception:
os.unlink(fn_tmp)
else:
os.rename(fn_tmp, fn)
return chunk_idx
def lookup_name(archive_id):
@ -323,6 +327,9 @@ class Cache:
self.begin_txn()
repository = cache_if_remote(self.repository)
legacy_cleanup()
# TEMPORARY HACK: to avoid archive index caching, create a FILE named ~/.cache/borg/REPOID/chunks.archive.d -
# this is only recommended if you have a fast, low latency connection to your repo (e.g. if repo is local disk)
self.do_cache = os.path.isdir(archive_path)
self.chunks = create_master_idx(self.chunks)
def add_chunk(self, id, data, stats):