GOMODULES
/
bbolt
mirror of https://github.com/etcd-io/bbolt.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Change min mmap size from 1MB to 32KB. 

This commit adjusts the minimum mmap size from 1MB to 32KB. The
previous limit was arbitrary and causes wasted space for very small
databases.

Thanks to @mcuadros for submitting the original pull request:

  https://github.com/boltdb/bolt/pull/351
pull/34/head
Ben Johnson 2015-05-18 10:37:47 -06:00
parent 75e094b84f
commit a450f843ee
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
db.go
View File

@ -256,8 +256,8 @@ func (db *DB) munmap() error {
// of the database. The minimum size is 1MB and doubles until it reaches 1GB.
// Returns an error if the new mmap size is greater than the max allowed.
func (db *DB) mmapSize(size int) (int, error) {
// Double the size from 1MB until 1GB.
for i := uint(20); i <= 30; i++ {
// Double the size from 32KB until 1GB.
for i := uint(15); i <= 30; i++ {
if size <= 1<<i {
return 1 << i, nil
}