Author: stefan2
Date: Fri Jan 25 09:57:40 2013
New Revision: 1438406
URL: http://svn.apache.org/viewvc?rev=1438406&view=rev
Log:
On the fsfs-format7 branch: Enable optional format6 features
by default now.
* subversion/libsvn_fs_fs/fs_fs.c
(read_config): deltify dirs and props by default; also compress revprops
(write_config): reflect the new defaults
Modified:
subversion/branches/fsfs-format7/subversion/libsvn_fs_fs/fs_fs.c
Modified: subversion/branches/fsfs-format7/subversion/libsvn_fs_fs/fs_fs.c
URL:
http://svn.apache.org/viewvc/subversion/branches/fsfs-format7/subversion/libsvn_fs_fs/fs_fs.c?rev=1438406&r1=1438405&r2=1438406&view=diff
==============================================================================
--- subversion/branches/fsfs-format7/subversion/libsvn_fs_fs/fs_fs.c (original)
+++ subversion/branches/fsfs-format7/subversion/libsvn_fs_fs/fs_fs.c Fri Jan 25
09:57:40 2013
@@ -270,11 +270,11 @@ read_config(fs_fs_data_t *ffd,
SVN_ERR(svn_config_get_bool(ffd->config, &ffd->deltify_directories,
CONFIG_SECTION_DELTIFICATION,
CONFIG_OPTION_ENABLE_DIR_DELTIFICATION,
- FALSE));
+ TRUE));
SVN_ERR(svn_config_get_bool(ffd->config, &ffd->deltify_properties,
CONFIG_SECTION_DELTIFICATION,
CONFIG_OPTION_ENABLE_PROPS_DELTIFICATION,
- FALSE));
+ TRUE));
SVN_ERR(svn_config_get_int64(ffd->config, &ffd->max_deltification_walk,
CONFIG_SECTION_DELTIFICATION,
CONFIG_OPTION_MAX_DELTIFICATION_WALK,
@@ -298,7 +298,7 @@ read_config(fs_fs_data_t *ffd,
SVN_ERR(svn_config_get_bool(ffd->config, &ffd->compress_packed_revprops,
CONFIG_SECTION_PACKED_REVPROPS,
CONFIG_OPTION_COMPRESS_PACKED_REVPROPS,
- FALSE));
+ TRUE));
SVN_ERR(svn_config_get_int64(ffd->config, &ffd->revprop_pack_size,
CONFIG_SECTION_PACKED_REVPROPS,
CONFIG_OPTION_REVPROP_PACK_SIZE,
@@ -408,16 +408,16 @@ write_config(svn_fs_t *fs,
"### Repositories containing large directories will benefit greatly." NL
"### In rarely read repositories, the I/O overhead may be significant as" NL
"### cache hit rates will most likely be low" NL
-"### directory deltification is disabled by default." NL
-"# " CONFIG_OPTION_ENABLE_DIR_DELTIFICATION " = false" NL
+"### directory deltification is enabled by default." NL
+"# " CONFIG_OPTION_ENABLE_DIR_DELTIFICATION " = true" NL
"###" NL
"### The following parameter enables deltification for properties on files" NL
"### and directories. Overall, this is a minor tuning option but can save" NL
"### some disk space if you merge frequently or frequently change node" NL
"### properties. You should not activate this if rep-sharing has been" NL
"### disabled because this may result in a net increase in repository size." NL
-"### property deltification is disabled by default." NL
-"# " CONFIG_OPTION_ENABLE_PROPS_DELTIFICATION " = false" NL
+"### property deltification is enabled by default." NL
+"# " CONFIG_OPTION_ENABLE_PROPS_DELTIFICATION " = true" NL
"###" NL
"### During commit, the server may need to walk the whole change history of" NL
"### of a given node to find a suitable deltification base. This linear" NL
@@ -472,8 +472,8 @@ write_config(svn_fs_t *fs,
"### even more so writing, become significantly more CPU intensive. With" NL
"### revprop caching enabled, the overhead can be offset by reduced I/O" NL
"### unless you often modify revprops after packing." NL
-"### Compressing packed revprops is disabled by default." NL
-"# " CONFIG_OPTION_COMPRESS_PACKED_REVPROPS " = false" NL
+"### Compressing packed revprops is enabled by default." NL
+"# " CONFIG_OPTION_COMPRESS_PACKED_REVPROPS " = true" NL
"" NL
"[" CONFIG_SECTION_IO "]" NL
"### Parameters in this section control the data access granularity in" NL
@@ -937,12 +937,14 @@ write_revision_zero(svn_fs_t *fs)
path = path_p2l_index(fs, 0, fs->pool);
SVN_ERR(svn_io_file_create2(path,
- "\0"
+ "\0" /* start rev */
"\x80\x80\4\1\x13"
- "\0"
- "\x11\1\0\3"
- "\x59\2\0\2"
- "\1\3\0\1"
+ /* 64k pages,
+ * 1 page using 19 bytes */
+ "\0" /* offset entry 0 page 1 */
+ "\x11\1\0\3" /* len, type, rev, item */
+ "\x59\5\0\2"
+ "\1\6\0\1"
"\x95\xff\3\0\0\0",
25,
fs->pool));
