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renamed backend config entries

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adding one level more, more descriptive
This commit is contained in:
Christian Thaeter 2008-11-08 15:19:05 +01:00
parent 16fabb29bd
commit 219db59d82
3 changed files with 15 additions and 11 deletions
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10
doc/devel/config_guide.txt
View file

@ -87,7 +87,7 @@ File handling
How many filehandles the backend shall use [approx 2/3 of all available]
backend.filehandles
backend.file.max_handles
@ -99,11 +99,15 @@ Defaults:
3GiB on 32 bit arch
192TiB on 64 bit arch
backend.as_limit
backend.mmap.as_limit
Default start size for mmaping windows.
128MB on 32 bit arch
2GB on 64 bit arch
backend.mmap_window_size
backend.mmap.window_size
How many memory mappings shall be established at most
Default 60000
backend.mmap.max_maps

10
src/backend/backend.c
View file

@ -61,20 +61,20 @@ lumiera_backend_init (void)
const char* filehandles = lumiera_tmpbuf_snprintf (SIZE_MAX,
"backend.filehandles = %d",
"backend.file.max_handles = %d",
/* roughly 2/3 of all availables filehandles are managed by the backend */
(sysconf (_SC_OPEN_MAX)-10)*2/3);
lumiera_config_setdefault (filehandles);
long long max_entries;
lumiera_config_number_get ("backend.filehandles", &max_entries);
lumiera_config_number_get ("backend.file.max_handles", &max_entries);
lumiera_filehandlecache_new (max_entries);
#if SIZE_MAX <= 4294967295UL
lumiera_config_setdefault ("backend.as_limit = 3221225469");
lumiera_config_setdefault ("backend.mmap.as_limit = 3221225469");
#else
lumiera_config_setdefault ("backend.as_limit = 211106232532992");
lumiera_config_setdefault ("backend.mmap.as_limit = 211106232532992");
#endif
struct rlimit as_rlimit;
@ -83,7 +83,7 @@ lumiera_backend_init (void)
long long as_limit = (long long)as_rlimit.rlim_cur;
if (as_rlimit.rlim_cur == RLIM_INFINITY)
{
lumiera_config_number_get ("backend.as_limit", &as_limit);
lumiera_config_number_get ("backend.mmap.as_limit", &as_limit);
}
else
{

6
src/backend/mmap.c
View file

@ -70,14 +70,14 @@ lumiera_mmap_init (LumieraMMap self, LumieraFile file, LList acquirer, off_t sta
* 2GB on 64 bit arch
*/
#if SIZE_MAX <= 4294967295U
lumiera_config_setdefault ("backend.mmap_window_size = 134217728");
lumiera_config_setdefault ("backend.mmap.window_size = 134217728");
#else
lumiera_config_setdefault ("backend.mmap_window_size = 2147483648");
lumiera_config_setdefault ("backend.mmap.window_size = 2147483648");
#endif
}
long long mmap_window_size = 0;
lumiera_config_number_get ("backend.mmap_window_size", &mmap_window_size);
lumiera_config_number_get ("backend.mmap.window_size", &mmap_window_size);
LumieraFiledescriptor descriptor = file->descriptor;