Trigger GC to run finalizers (#2771)

FerretDB · Jun 2, 2023 · c60534b · c60534b
1 parent bddfa9e
commit c60534b
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diff --git a/cmd/ferretdb/main.go b/cmd/ferretdb/main.go
@@ -21,6 +21,7 @@ import (
 	"log"
 	"os"
 	"path/filepath"
+	"runtime"
 	"strings"
 	"sync"
 	"time"
@@ -36,6 +37,7 @@ import (
 	"github.com/FerretDB/FerretDB/internal/clientconn/connmetrics"
 	"github.com/FerretDB/FerretDB/internal/handlers/registry"
 	"github.com/FerretDB/FerretDB/internal/util/debug"
+	"github.com/FerretDB/FerretDB/internal/util/debugbuild"
 	"github.com/FerretDB/FerretDB/internal/util/logging"
 	"github.com/FerretDB/FerretDB/internal/util/state"
 	"github.com/FerretDB/FerretDB/internal/util/telemetry"
@@ -280,6 +282,14 @@ func dumpMetrics() {
 
 // run sets up environment based on provided flags and runs FerretDB.
 func run() {
+	// to increase a chance of resource finalizers to spot problems
+	if debugbuild.Enabled {
+		defer func() {
+			runtime.GC()
+			runtime.GC()
+		}()
+	}
+
 	info := version.Get()
 
 	if p := cli.Test.Telemetry.Package; p != "" {

diff --git a/integration/setup/startup.go b/integration/setup/startup.go
@@ -17,6 +17,7 @@ package setup
 import (
 	"context"
 	"net/http"
+	"runtime"
 	"time"
 
 	"github.com/prometheus/client_golang/prometheus"
@@ -106,4 +107,8 @@ func Shutdown() {
 	defer cancel()
 
 	must.NoError(jaegerExporter.Shutdown(ctx))
+
+	// to increase a chance of resource finalizers to spot problems
+	runtime.GC()
+	runtime.GC()
 }