// SearchBenchmark returns a closure of a function for the benchmarker to run, using a given index
// and options, on a set of queries
func SearchBenchmark(queries []string, idx index.Index, opts interface{}) func() error {
counter := 0
return func() error {
q := query.NewQuery(IndexName, queries[counter%len(queries)]).Limit(0, 5)
_, _, err := idx.Search(*q)
counter++
return err
}
}
// IngestDocuments ingests documents into an index using a DocumentReader
func IngestDocuments(fileName string, r DocumentReader, idx index.Index, ac index.Autocompleter, opts interface{}, chunk int) error {
// open the file
fp, err := os.Open(fileName)
if err != nil {
return err
}
defer fp.Close()
// run the reader and let it spawn a goroutine
ch, err := r.Read(fp)
if err != nil {
return err
}
docs := make([]index.Document, chunk)
terms := make([]index.Suggestion, chunk)
//freqs := map[string]int{}
st := time.Now()
nterms := 0
i := 0
n := 0
dt := 0
for doc := range ch {
docs[i%chunk] = doc
if doc.Score > 0 && ac != nil {
// words := strings.Fields(strings.ToLower(doc.Properties["body"].(string)))
// for _, w := range words {
// for i := 2; i < len(w) && i < 5; i++ {
// freqs[w[:i]] += 1
// }
// }
terms[nterms] = index.Suggestion{
strings.ToLower(doc.Properties["title"].(string)),
float64(doc.Score),
}
nterms++
if nterms == chunk {
// for k, v := range freqs {
// fmt.Printf("%d %s\n", v, k)
// }
// os.Exit(0)
if err := ac.AddTerms(terms...); err != nil {
return err
}
nterms = 0
}
}
if doc.Score == 0 {
doc.Score = 0.0000001
}
for k, v := range doc.Properties {
switch s := v.(type) {
case string:
dt += len(s) + len(k)
}
}
i++
n++
if i%chunk == 0 {
if err := idx.Index(docs, opts); err != nil {
return err
}
}
// print report every CHUNK documents
if i%chunk == 0 {
rate := float32(n) / (float32(time.Since(st).Seconds()))
dtrate := float32(dt) / (float32(time.Since(st).Seconds())) / float32(1024*1024)
fmt.Println(i, "rate: ", rate, "d/s. data rate: ", dtrate, "MB/s")
st = time.Now()
n = 0
dt = 0
}
}
if i%chunk != 0 {
return idx.Index(docs[:i%chunk], opts)
}
return nil
}