improve stats generation

pipeline/02_warc_parse/log.go

@@ -71,6 +71,7 @@ func writeStats(stats *Stats, cfg Config) {
 		"duration_seconds": int(duration.Seconds()),
 		"processed":        stats.Processed.Load(),
 		"titles_found":     stats.TitlesFound.Load(),
+		"no_title":         stats.NoTitle.Load(),
 		"icons_found":      stats.IconsFound.Load(),
 		"iframe_blocked":   stats.IframeBlocked.Load(),
 		"fetch_errors":     stats.FetchErrors.Load(),

pipeline/02_warc_parse/main.go

@@ -26,6 +26,7 @@ type Config struct {
 type Stats struct {
 	Processed     atomic.Int64
 	TitlesFound   atomic.Int64
+	NoTitle       atomic.Int64
 	IconsFound    atomic.Int64
 	IframeBlocked atomic.Int64
 	ParseErrors   atomic.Int64
@@ -167,13 +168,18 @@ func main() {
 
 				// Update stats
 				stats.Processed.Add(1)
+				if result.Err == nil {
 					if result.Title != "" {
 						stats.TitlesFound.Add(1)
+					} else {
+						stats.NoTitle.Add(1)
 					}
-				stats.IconsFound.Add(int64(len(result.Icons)))
-				if result.Err == nil && !result.IframeAllowed {
+					// +1 for the /favicon.ico entry added per host
+					stats.IconsFound.Add(int64(len(result.Icons) + 1))
+					if !result.IframeAllowed {
 						stats.IframeBlocked.Add(1)
 					}
+				}
 				if result.Err != nil {
 					if result.FetchErr {
 						stats.FetchErrors.Add(1)
@@ -195,6 +201,7 @@ func main() {
 	fmt.Printf("Duration: %s\n", duration.Round(time.Second))
 	fmt.Printf("Processed: %d\n", stats.Processed.Load())
 	fmt.Printf("Titles found: %d\n", stats.TitlesFound.Load())
+	fmt.Printf("No title: %d\n", stats.NoTitle.Load())
 	fmt.Printf("Icons found: %d\n", stats.IconsFound.Load())
 	fmt.Printf("Iframe blocked: %d\n", stats.IframeBlocked.Load())
 	fmt.Printf("Fetch errors: %d\n", stats.FetchErrors.Load())

pipeline/04_best_icon/select.sql

@@ -37,7 +37,7 @@ FROM (
 ) sub
 WHERE h.id = sub.host_id;
 
--- Stats
+-- Stats (human-readable)
 \echo '--- Best Icon Selection Stats ---'
 
 SELECT
@@ -47,3 +47,22 @@ SELECT
   COUNT(*) FILTER (WHERE html_title IS NOT NULL AND best_icon_s3_key IS NULL) AS title_but_no_icon
 FROM hosts
 WHERE parsed = TRUE;
+
+-- Stats JSON
+\! mkdir -p stats
+\t on
+\a
+\o stats/04_best_icon.json
+SELECT json_build_object(
+  'hosts_with_icon', COUNT(*) FILTER (WHERE best_icon_s3_key IS NOT NULL),
+  'hosts_without_icon', COUNT(*) FILTER (WHERE best_icon_s3_key IS NULL),
+  'hosts_with_title', COUNT(*) FILTER (WHERE html_title IS NOT NULL),
+  'hosts_no_title', COUNT(*) FILTER (WHERE html_title IS NULL),
+  'title_but_no_icon', COUNT(*) FILTER (WHERE html_title IS NOT NULL AND best_icon_s3_key IS NULL)
+)
+FROM hosts
+WHERE parsed = TRUE;
+\o
+\t off
+\a
+\echo 'Stats written to stats/04_best_icon.json'

pipeline/05_bundle_gen/log.go

@@ -46,6 +46,8 @@ func writeStats(stats *Stats) {
 		"total_hosts":        stats.TotalHosts,
 		"hosts_with_icon":    stats.HostsWithIcon,
 		"hosts_no_icon":      stats.HostsNoIcon,
+		"bundled_with_icon":  stats.BundledWithIcon.Load(),
+		"bundled_no_icon":    stats.BundledNoIcon.Load(),
 		"convert_errors":     stats.ConvertErrors.Load(),
 		"bundles_created":    stats.BundlesCreated,
 		"total_bytes":        stats.TotalBytes,

pipeline/05_bundle_gen/main.go

@@ -32,6 +32,8 @@ type Stats struct {
 	HostsNoIcon         int
 	BundlesCreated      int
 	ConvertErrors       atomic.Int64
+	BundledWithIcon     atomic.Int64
+	BundledNoIcon       atomic.Int64
 	TotalBytes          int64
 	StartedAt           time.Time
 }
@@ -158,6 +160,14 @@ func main() {
 		}
 		wg.Wait()
 
+		for _, e := range pageEntries {
+			if e.Icon != "" {
+				stats.BundledWithIcon.Add(1)
+			} else {
+				stats.BundledNoIcon.Add(1)
+			}
+		}
+
 		entryBuf = append(entryBuf, pageEntries...)
 
 		// Write complete bundles from the buffer
@@ -226,6 +236,8 @@ func main() {
 	fmt.Printf("Total hosts: %d\n", stats.TotalHosts)
 	fmt.Printf("Hosts with icon: %d\n", stats.HostsWithIcon)
 	fmt.Printf("Hosts without icon: %d\n", stats.HostsNoIcon)
+	fmt.Printf("Bundled with icon: %d\n", stats.BundledWithIcon.Load())
+	fmt.Printf("Bundled without icon: %d\n", stats.BundledNoIcon.Load())
 	fmt.Printf("Convert errors: %d\n", stats.ConvertErrors.Load())
 	fmt.Printf("Bundles created: %d\n", stats.BundlesCreated)
 	fmt.Printf("Total size: %.1f MB\n", float64(stats.TotalBytes)/(1024*1024))