func (f *Firestorm) Update(doc *document.Document) (err error) { // assign this document a number doc.Number = atomic.AddUint64(&f.highDocNumber, 1) // do analysis before acquiring write lock analysisStart := time.Now() resultChan := make(chan *index.AnalysisResult) aw := index.NewAnalysisWork(f, doc, resultChan) // put the work on the queue f.analysisQueue.Queue(aw) // wait for the result result := <-resultChan close(resultChan) atomic.AddUint64(&f.stats.analysisTime, uint64(time.Since(analysisStart))) // start a writer for this update indexStart := time.Now() var kvwriter store.KVWriter kvwriter, err = f.store.Writer() if err != nil { return } defer func() { if cerr := kvwriter.Close(); err == nil && cerr != nil { err = cerr } }() var dictionaryDeltas map[string]int64 dictionaryDeltas, err = f.batchRows(kvwriter, [][]index.IndexRow{result.Rows}, nil) if err != nil { _ = kvwriter.Close() atomic.AddUint64(&f.stats.errors, 1) return } f.compensator.Mutate([]byte(doc.ID), doc.Number) f.lookuper.NotifyBatch([]*InFlightItem{&InFlightItem{[]byte(doc.ID), doc.Number}}) f.dictUpdater.NotifyBatch(dictionaryDeltas) atomic.AddUint64(&f.stats.indexTime, uint64(time.Since(indexStart))) return }