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| author | Martin Koegler <mkoegler@auto.tuwien.ac.at> | 2007-05-28 23:20:59 +0200 |
|---|---|---|
| committer | Junio C Hamano <junkio@cox.net> | 2007-05-29 01:24:42 -0700 |
| commit | e3dfddb377478dbee9c5b88636e97d62312f562d (patch) | |
| tree | a6d5d8627d2faf1e78b3f14aa05f4b8749465874 | |
| parent | 074b2eea296886e179ef73e1c364f370a223618a (diff) | |
| download | git-e3dfddb377478dbee9c5b88636e97d62312f562d.tar.gz git-e3dfddb377478dbee9c5b88636e97d62312f562d.tar.xz | |
builtin-pack-object: cache small deltas
Signed-off-by: Martin Koegler <mkoegler@auto.tuwien.ac.at>
Signed-off-by: Junio C Hamano <junkio@cox.net>
| -rw-r--r-- | Documentation/config.txt | 4 | ||||
| -rw-r--r-- | builtin-pack-objects.c | 8 |
2 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt index ab0f8f486..6ea4f1015 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -572,6 +572,10 @@ pack.deltaCacheSize:: gitlink:git-pack-objects[1]. A value of 0 means no limit. Defaults to 0. +pack.deltaCacheLimit:: + The maxium size of a delta, that is cached in + gitlink:git-pack-objects[1]. Defaults to 1000. + pull.octopus:: The default merge strategy to use when pulling multiple branches at once. diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c index 9f035ba8e..41472fcbd 100644 --- a/builtin-pack-objects.c +++ b/builtin-pack-objects.c @@ -79,6 +79,7 @@ static int pack_compression_seen; static unsigned long delta_cache_size = 0; static unsigned long max_delta_cache_size = 0; +static unsigned long cache_max_small_delta_size = 1000; /* * The object names in objects array are hashed with this hashtable, @@ -1403,6 +1404,9 @@ static int delta_cacheable(struct unpacked *trg, struct unpacked *src, if (max_delta_cache_size && delta_cache_size + delta_size > max_delta_cache_size) return 0; + if (delta_size < cache_max_small_delta_size) + return 1; + /* cache delta, if objects are large enough compared to delta size */ if ((src_size >> 20) + (trg_size >> 21) > (delta_size >> 10)) return 1; @@ -1654,6 +1658,10 @@ static int git_pack_config(const char *k, const char *v) max_delta_cache_size = git_config_int(k, v); return 0; } + if (!strcmp(k, "pack.deltacachelimit")) { + cache_max_small_delta_size = git_config_int(k, v); + return 0; + } return git_default_config(k, v); } |