ISAR/libmdbx
3
0
Fork 0
mirror of https://github.com/isar/libmdbx.git synced 2025-02-03 16:40:52 +08:00
Code Issues Packages Projects Releases Wiki Activity

mdbx: use 2^N constants for fill-threshold.

Browse Source 
Change-Id: I3e190f5af77282a7995ae733c7a6865a21daa6c3
This commit is contained in:
Leo Yuriev 2017-06-05 16:56:10 +03:00
parent 59c22ab036
commit 439ae3983c
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/bits.h
View File

@ -902,11 +902,11 @@ static __inline size_t roundup2(size_t value, size_t granularity) {
/* The percentage of space used in the page, in tenths of a percent. */ /* The percentage of space used in the page, in tenths of a percent. */
#define PAGEFILL(env, p) \ #define PAGEFILL(env, p) \
(1000L * ((env)->me_psize - PAGEHDRSZ - SIZELEFT(p)) / \ (1024L * ((env)->me_psize - PAGEHDRSZ - SIZELEFT(p)) / \
((env)->me_psize - PAGEHDRSZ)) ((env)->me_psize - PAGEHDRSZ))
/* The minimum page fill factor, in tenths of a percent. /* The minimum page fill factor, in tenths of a percent.
* Pages emptier than this are candidates for merging. */ * Pages emptier than this are candidates for merging. */
#define FILL_THRESHOLD 250 #define FILL_THRESHOLD 256
/* Test if a page is a leaf page */ /* Test if a page is a leaf page */
#define IS_LEAF(p) F_ISSET((p)->mp_flags, P_LEAF) #define IS_LEAF(p) F_ISSET((p)->mp_flags, P_LEAF)