Ejemplo n.º 1
0
func doIndex() bool {
	idxSegm, err := gcse.IndexSegments.GenMaxSegment()
	if err != nil {
		log.Printf("GenMaxSegment failed: %v", err)
		return false
	}

	runtime.GC()
	gcse.DumpMemStats()

	log.Printf("Indexing to %v ...", idxSegm)

	fpDocDB := sophie.LocalFsPath(configs.DocsDBPath().S())
	ts, err := gcse.Index(kv.DirInput(fpDocDB), idxSegm.Join("").S())
	if err != nil {
		log.Printf("Indexing failed: %v", err)
		return false
	}

	if !func() bool {
		f, err := idxSegm.Join(gcse.IndexFn).Create()
		if err != nil {
			log.Printf("Create index file failed: %v", err)
			return false
		}
		defer f.Close()

		log.Printf("Saving index to %v ...", idxSegm)
		if err := ts.Save(f); err != nil {
			log.Printf("ts.Save failed: %v", err)
			return false
		}
		return true
	}() {
		return false
	}
	runtime.GC()
	gcse.DumpMemStats()

	storePath := idxSegm.Join(configs.FnStore)
	log.Printf("Saving store snapshot to %v", storePath)
	if err := store.SaveSnapshot(storePath.S()); err != nil {
		log.Printf("SaveSnapshot %v failed: %v", storePath, err)
	}

	if err := idxSegm.Done(); err != nil {
		log.Printf("segm.Done failed: %v", err)
		return false
	}

	log.Printf("Indexing success: %s (%d)", idxSegm, ts.DocCount())
	gcse.AddBiValueAndProcess(bi.Average, "index.doc-count", ts.DocCount())

	ts = nil
	gcse.DumpMemStats()
	runtime.GC()
	gcse.DumpMemStats()

	return true
}
Ejemplo n.º 2
0
func syncDatabases() {
	gcse.DumpMemStats()
	log.Printf("Synchronizing databases to disk...")
	if err := cDB.Sync(); err != nil {
		log.Fatalf("cdb.Sync() failed: %v", err)
	}
	gcse.DumpMemStats()
	runtime.GC()
	gcse.DumpMemStats()
}
Ejemplo n.º 3
0
func doIndex() bool {
	idxSegm, err := gcse.IndexSegments.GenMaxSegment()
	if err != nil {
		log.Printf("GenMaxSegment failed: %v", err)
		return false
	}

	runtime.GC()
	gcse.DumpMemStats()

	log.Printf("Indexing to %v ...", idxSegm)

	fpDocDB := sophie.LocalFsPath(gcse.DocsDBPath.S())

	ts, err := gcse.Index(kv.DirInput(fpDocDB))
	if err != nil {
		log.Printf("Indexing failed: %v", err)
		return false
	}

	f, err := idxSegm.Join(gcse.IndexFn).Create()
	if err != nil {
		log.Printf("Create index file failed: %v", err)
		return false
	}
	//defer f.Close()
	log.Printf("Saving index to %v ...", idxSegm)
	if err := ts.Save(f); err != nil {
		log.Printf("ts.Save failed: %v", err)
		return false
	}
	f.Close()
	f = nil
	runtime.GC()
	gcse.DumpMemStats()

	if err := idxSegm.Done(); err != nil {
		log.Printf("segm.Done failed: %v", err)
		return false
	}

	log.Printf("Indexing success: %s (%d)", idxSegm, ts.DocCount())

	ts = nil
	gcse.DumpMemStats()
	runtime.GC()
	gcse.DumpMemStats()

	return true
}
Ejemplo n.º 4
0
func doIndex(dbSegm gcse.Segment) bool {
	idxSegm, err := gcse.IndexSegments.GenMaxSegment()
	if err != nil {
		log.Printf("GenMaxSegment failed: %v", err)
		return false
	}

	runtime.GC()
	gcse.DumpMemStats()
	log.Printf("Reading docDB from %v ...", dbSegm)
	// read docDB
	docDB := gcse.PackedDocDB{gcse.NewMemDB(dbSegm.Join(""), gcse.KindDocDB)}

	log.Printf("Indexing to %v ...", idxSegm)

	ts, err := gcse.Index(docDB)
	if err != nil {
		log.Printf("Indexing failed: %v", err)
		return false
	}

	f, err := idxSegm.Join(gcse.IndexFn).Create()
	if err != nil {
		log.Printf("Create index file failed: %v", err)
		return false
	}
	defer f.Close()
	if err := ts.Save(f); err != nil {
		log.Printf("ts.Save failed: %v", err)
		return false
	}

	if err := idxSegm.Done(); err != nil {
		log.Printf("segm.Done failed: %v", err)
		return false
	}

	log.Printf("Indexing success: %s (%d)", idxSegm, ts.DocCount())

	docDB.MemDB, ts = nil, nil
	gcse.DumpMemStats()
	runtime.GC()
	gcse.DumpMemStats()

	if err := dbSegm.Remove(); err != nil {
		log.Printf("Delete segment %v failed: %v", dbSegm, err)
	}

	return true
}
Ejemplo n.º 5
0
func loadIndex() error {
	segm, err := gcse.IndexSegments.FindMaxDone()
	if segm == nil || err != nil {
		return err
	}

	if indexSegment != nil && !gcse.SegmentLess(indexSegment, segm) {
		// no new index
		return nil
	}

	db := &index.TokenSetSearcher{}
	f, err := segm.Join(gcse.IndexFn).Open()
	if err != nil {
		return err
	}
	defer f.Close()

	if err := db.Load(f); err != nil {
		return err
	}

	indexSegment = segm
	log.Printf("Load index from %v (%d packages)", segm, db.DocCount())

	indexDBBox.Set(db)
	updateTime := time.Now()

	if st, err := segm.Join(gcse.IndexFn).Stat(); err == nil {
		updateTime = st.ModTime()
	}

	gIndexUpdated = updateTime

	var projects villa.StrSet
	db.Search(nil, func(docID int32, data interface{}) error {
		hit := data.(gcse.HitInfo)
		projects.Put(hit.ProjectURL)
		return nil
	})
	gProjectCount = len(projects)

	db = nil
	gcse.DumpMemStats()
	runtime.GC()
	gcse.DumpMemStats()

	return nil
}
Ejemplo n.º 6
0
func syncDatabases() {
	gcse.DumpMemStats()
	log.Printf("Synchronizing databases to disk...")
	if err := docDB.Sync(); err != nil {
		log.Printf("docDB.Sync failed: %v", err)
	}
	if err := cPackageDB.Sync(); err != nil {
		log.Printf("cPackageDB.Sync failed: %v", err)
	}
	if err := cPersonDB.Sync(); err != nil {
		log.Printf("cPersonDB.Sync failed: %v", err)
	}
	gcse.DumpMemStats()
	runtime.GC()
	gcse.DumpMemStats()
}
Ejemplo n.º 7
0
func loadIndex() error {
	segm, err := gcse.IndexSegments.FindMaxDone()
	if segm == nil || err != nil {
		return err
	}

	if indexSegment != nil && !gcse.SegmentLess(indexSegment, segm) {
		// no new index
		return nil
	}

	db := &index.TokenSetSearcher{}
	f, err := segm.Join(gcse.IndexFn).Open()
	if err != nil {
		return err
	}
	defer f.Close()

	if err := db.Load(f); err != nil {
		return err
	}

	indexSegment = segm
	log.Printf("Load index from %v (%d packages)", segm, db.DocCount())

	indexDBBox.Set(db)
	updateTime := time.Now()

	if st, err := segm.Join(gcse.IndexFn).Stat(); err == nil {
		updateTime = st.ModTime()
	}

	indexUpdated = updateTime

	db = nil
	gcse.DumpMemStats()
	runtime.GC()
	gcse.DumpMemStats()

	return nil
}
Ejemplo n.º 8
0
func dumpingStatusLoop() {
	for time.Now().Before(AppStopTime) {
		gcse.DumpMemStats()
		time.Sleep(10 * time.Minute)
	}
}
Ejemplo n.º 9
0
func loadIndex() error {
	segm, err := gcse.IndexSegments.FindMaxDone()
	if segm == nil || err != nil {
		return err
	}
	if indexSegment != nil && !gcse.SegmentLess(indexSegment, segm) {
		// no new index
		return nil
	}
	db := &searcherDB{}
	if err := func() error {
		f, err := segm.Join(gcse.IndexFn).Open()
		if err != nil {
			return err
		}
		defer f.Close()

		return db.ts.Load(f)
	}(); err != nil {
		return err
	}
	db.storeDB = &bh.RefCountBox{
		DataPath: func() string {
			return segm.Join(configs.FnStore).S()
		},
	}
	hitsPath := segm.Join(gcse.HitsArrFn)
	if db.hits, err = index.OpenConstArray(hitsPath.S()); err != nil {
		log.Printf("OpenConstArray %v failed: %v", hitsPath, err)
		return err
	}
	// Calculate db.projectCount
	var projects stringsp.Set
	db.ts.Search(nil, func(docID int32, data interface{}) error {
		hit := data.(gcse.HitInfo)
		projects.Add(hit.ProjectURL)
		return nil
	})
	db.projectCount = len(projects)
	gcse.AddBiValueAndProcess(bi.Max, "index.proj-count", db.projectCount)

	// Update db.indexUpdated
	db.indexUpdated = time.Now()
	if st, err := segm.Join(gcse.IndexFn).Stat(); err == nil {
		db.indexUpdated = st.ModTime()
	}
	indexSegment = segm
	log.Printf("Load index from %v (%d packages)", segm, db.PackageCount())

	// Exchange new/old database and close the old one.
	oldDB := getDatabase()
	databaseValue.Store(db)
	oldDB.Close()
	oldDB = nil
	gcse.DumpMemStats()

	runtime.GC()
	gcse.DumpMemStats()

	return nil
}