[PATCH v2] Bump core.deltaBaseCacheLimit to 128MiB
- From
David Kastrup <dak@gnu.org>
- Date
- Mar 19, 2014, 12:38 UTC
- Message-ID
- <1395232712-6412-1-git-send-email-dak@gnu.org>
The default of 16MiB causes serious thrashing for large delta chains combined with large files.
Signed-off-by: David Kastrup <dak@gnu.org> ---
Forgot the signoff. For the rationale of this patch and the 128MiB choice, see the original patch.
Documentation/config.txt | 2 +- environment.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/Documentation/config.txt b/Documentation/config.txt index 73c8973..1b6950a 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -484,7 +484,7 @@ core.deltaBaseCacheLimit:: to avoid unpacking and decompressing frequently used base objects multiple times. + -Default is 16 MiB on all platforms. This should be reasonable +Default is 128 MiB on all platforms. This should be reasonable for all users/operating systems, except on the largest projects. You probably do not need to adjust this value. + diff --git a/environment.c b/environment.c index c3c8606..73ed670 100644 --- a/environment.c +++ b/environment.c @@ -37,7 +37,7 @@ int core_compression_seen; int fsync_object_files; size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE; size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT; -size_t delta_base_cache_limit = 16 * 1024 * 1024; +size_t delta_base_cache_limit = 128 * 1024 * 1024; unsigned long big_file_threshold = 512 * 1024 * 1024; const char *pager_program; int pager_use_color = 1;
-- 1.8.3.2