cotugno/syncthing
2
Fork 0
mirror of https://github.com/syncthing/syncthing.git synced 2024-11-16 18:41:59 -07:00
Code Issues Packages Projects Releases Wiki Activity

Add explicit GC calls after expensive db ops (ref #468)

Browse Source
This commit is contained in:
Jakob Borg 2014-08-07 22:56:30 +02:00
parent 3d8771ecb0
commit 4797a94689
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
files/leveldb.go
View File

@ -2,6 +2,7 @@ package files
import (
"bytes"
"runtime"
"sort"
"sync"
@ -121,6 +122,8 @@ type deletionHandler func(db dbReader, batch dbWriter, repo, node, name []byte,
type fileIterator func(f protocol.FileInfo) bool
func ldbGenericReplace(db *leveldb.DB, repo, node []byte, fs []protocol.FileInfo, deleteFn deletionHandler) uint64 {
defer runtime.GC()
sort.Sort(fileList(fs)) // sort list on name, same as on disk
start := nodeKey(repo, node, nil) // before all repo/node files
@ -246,6 +249,8 @@ func ldbReplaceWithDelete(db *leveldb.DB, repo, node []byte, fs []protocol.FileI
}
func ldbUpdate(db *leveldb.DB, repo, node []byte, fs []protocol.FileInfo) uint64 {
defer runtime.GC()
batch := new(leveldb.Batch)
snap, err := db.GetSnapshot()
if err != nil {
@ -414,6 +419,8 @@ func ldbWithHave(db *leveldb.DB, repo, node []byte, fn fileIterator) {
}
func ldbWithAllRepo(db *leveldb.DB, repo []byte, fn func(node []byte, f protocol.FileInfo) bool) {
defer runtime.GC()
start := nodeKey(repo, nil, nil) // before all repo/node files
limit := nodeKey(repo, protocol.LocalNodeID[:], []byte{0xff, 0xff, 0xff, 0xff}) // after all repo/node files
snap, err := db.GetSnapshot()
@ -530,6 +537,8 @@ func ldbGetGlobal(db *leveldb.DB, repo, file []byte) protocol.FileInfo {
}
func ldbWithGlobal(db *leveldb.DB, repo []byte, fn fileIterator) {
defer runtime.GC()
start := globalKey(repo, nil)
limit := globalKey(repo, []byte{0xff, 0xff, 0xff, 0xff})
snap, err := db.GetSnapshot()
@ -597,6 +606,8 @@ func ldbAvailability(db *leveldb.DB, repo, file []byte) []protocol.NodeID {
}
func ldbWithNeed(db *leveldb.DB, repo, node []byte, fn fileIterator) {
defer runtime.GC()
start := globalKey(repo, nil)
limit := globalKey(repo, []byte{0xff, 0xff, 0xff, 0xff})
snap, err := db.GetSnapshot()