mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-12-25 18:27:54 +08:00
0fe286a6ca
large filer db may see high CPU and disk usage due to background compaction
36 lines
705 B
Go
36 lines
705 B
Go
package main
|
|
|
|
import (
|
|
"flag"
|
|
"log"
|
|
|
|
"github.com/syndtr/goleveldb/leveldb"
|
|
"github.com/syndtr/goleveldb/leveldb/opt"
|
|
"github.com/syndtr/goleveldb/leveldb/util"
|
|
)
|
|
|
|
var (
|
|
dir = flag.String("dir", ".", "data directory to store leveldb files")
|
|
)
|
|
|
|
func main() {
|
|
|
|
flag.Parse()
|
|
|
|
opts := &opt.Options{
|
|
BlockCacheCapacity: 32 * 1024 * 1024, // default value is 8MiB
|
|
WriteBuffer: 16 * 1024 * 1024, // default value is 4MiB
|
|
CompactionTableSizeMultiplier: 10,
|
|
OpenFilesCacheCapacity: -1,
|
|
}
|
|
|
|
db, err := leveldb.OpenFile(*dir, opts)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
defer db.Close()
|
|
if err := db.CompactRange(util.Range{}); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|