diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index 200a0ae7..2f7afa90 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   deploy:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
     steps:
diff --git a/.gitignore b/.gitignore
index b7fcc4ff..6b60f726 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,7 @@
 .idea
 *.iml
 *.proj
+.vscode
 
 # C Dependency
 libjq
diff --git a/cmd/shell-operator/start.go b/cmd/shell-operator/start.go
index ede26149..a4aedb5e 100644
--- a/cmd/shell-operator/start.go
+++ b/cmd/shell-operator/start.go
@@ -25,27 +25,27 @@ const (
 )
 
 func start(logger *log.Logger) func(_ *kingpin.ParseContext) error {
-	app.AppStartMessage = fmt.Sprintf("%s %s", app.AppName, app.Version)
-	ctx := context.Background()
-	telemetryShutdown := registerTelemetry(ctx)
-	// Init logging and initialize a ShellOperator instance.
-	operator, err := shell_operator.Init(logger.Named("shell-operator"))
-	if err != nil {
-		return func(_ *kingpin.ParseContext) error {
+	return func(_ *kingpin.ParseContext) error {
+		app.AppStartMessage = fmt.Sprintf("%s %s", app.AppName, app.Version)
+		ctx := context.Background()
+		telemetryShutdown := registerTelemetry(ctx)
+		// Init logging and initialize a ShellOperator instance.
+		operator, err := shell_operator.Init(logger.Named("shell-operator"))
+		if err != nil {
 			return fmt.Errorf("init failed: %w", err)
 		}
-	}
 
-	operator.Start()
+		operator.Start()
 
-	// Block action by waiting signals from OS.
-	utils_signal.WaitForProcessInterruption(func() {
-		operator.Shutdown()
-		_ = telemetryShutdown(ctx)
-		os.Exit(1)
-	})
+		// Block action by waiting signals from OS.
+		utils_signal.WaitForProcessInterruption(func() {
+			operator.Shutdown()
+			_ = telemetryShutdown(ctx)
+			os.Exit(1)
+		})
 
-	return nil
+		return nil
+	}
 }
 
 func registerTelemetry(ctx context.Context) func(ctx context.Context) error {
diff --git a/pkg/debug/server.go b/pkg/debug/server.go
index 7254f19f..f62bca58 100644
--- a/pkg/debug/server.go
+++ b/pkg/debug/server.go
@@ -9,6 +9,8 @@ import (
 	"net/http"
 	"os"
 	"path"
+	"path/filepath"
+	"strings"
 
 	"github.com/deckhouse/deckhouse/pkg/log"
 	"github.com/go-chi/chi/v5"
@@ -117,12 +119,15 @@ func (s *Server) RegisterHandler(method, pattern string, handler func(request *h
 func handleFormattedOutput(writer http.ResponseWriter, request *http.Request, handler func(request *http.Request) (interface{}, error)) {
 	out, err := handler(request)
 	if err != nil {
-		if _, ok := err.(*BadRequestError); ok {
+		switch err.(type) {
+		case *BadRequestError:
 			http.Error(writer, err.Error(), http.StatusBadRequest)
-			return
+		case *NotFoundError:
+			http.Error(writer, err.Error(), http.StatusNotFound)
+		default:
+			http.Error(writer, err.Error(), http.StatusInternalServerError)
 		}
 
-		http.Error(writer, err.Error(), http.StatusInternalServerError)
 		return
 	}
 	if out == nil {
@@ -130,7 +135,16 @@ func handleFormattedOutput(writer http.ResponseWriter, request *http.Request, ha
 		return
 	}
 
-	format := FormatFromRequest(request)
+	// Trying to get format from chi
+	format := chi.URLParam(request, "format")
+	if format == "" { // If failed, trying to parse uri
+		uri := request.URL.Path
+		uriFragments := strings.Split(uri, "/")
+		uriLastFragment := uriFragments[len(uriFragments)-1] // string after last "/" to ignore garbage
+		format = filepath.Ext(uriLastFragment)               // Extracts extension of path (like .yaml), may return empty string
+		format = strings.TrimPrefix(format, ".")
+	}
+
 	structuredLogger.GetLogEntry(request).Debug("used format", slog.String("format", format))
 
 	switch format {
@@ -140,6 +154,10 @@ func handleFormattedOutput(writer http.ResponseWriter, request *http.Request, ha
 		writer.Header().Set("Content-Type", "application/json")
 	case "yaml":
 		writer.Header().Set("Content-Type", "application/yaml")
+	// support for old behavior. If the extension is not indicated, we use text by default
+	case "":
+		format = "text"
+		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 	}
 	writer.WriteHeader(http.StatusOK)
 
@@ -196,3 +214,11 @@ type BadRequestError struct {
 func (be *BadRequestError) Error() string {
 	return be.Msg
 }
+
+type NotFoundError struct {
+	Msg string
+}
+
+func (nf *NotFoundError) Error() string {
+	return nf.Msg
+}
diff --git a/pkg/filter/jq/apply_benchmark_test.go b/pkg/filter/jq/apply_benchmark_test.go
new file mode 100644
index 00000000..0897054c
--- /dev/null
+++ b/pkg/filter/jq/apply_benchmark_test.go
@@ -0,0 +1,57 @@
+package jq
+
+import (
+	"os"
+	"testing"
+
+	"gopkg.in/yaml.v3"
+)
+
+func setupNodeList(count int) []map[string]any {
+	var node map[string]any
+	content, _ := os.ReadFile("testdata/test.yaml")
+	yaml.Unmarshal(content, &node)
+
+	nodeslice := make([]map[string]any, 0, count)
+
+	for range count {
+		nodeslice = append(nodeslice, node)
+	}
+
+	return nodeslice
+}
+
+func benchmarkApplyFilter(b *testing.B, filter string, objs []map[string]any) {
+	f := NewFilter()
+	b.ResetTimer()
+
+	for i := 0; i < b.N; i++ {
+		for _, obj := range objs {
+			// res, _ := f.ApplyFilter(filter, obj)
+			// fmt.Println(string(res))
+			f.ApplyFilter(filter, obj)
+		}
+	}
+}
+
+func BenchmarkApplyFilter_dot_10(b *testing.B) {
+	benchmarkApplyFilter(b, ".", setupNodeList(10))
+}
+func BenchmarkApplyFilter_dot_100(b *testing.B) {
+	benchmarkApplyFilter(b, ".", setupNodeList(100))
+}
+func BenchmarkApplyFilter_dot_1000(b *testing.B) {
+	benchmarkApplyFilter(b, ".", setupNodeList(1000))
+}
+
+func BenchmarkApplyFilter_easy_10(b *testing.B) {
+	benchmarkApplyFilter(b, ".metadata.name", setupNodeList(10))
+}
+
+func BenchmarkApplyFilter_easy_100(b *testing.B) {
+	benchmarkApplyFilter(b, ".metadata.name", setupNodeList(100))
+}
+
+func BenchmarkApplyFilter_easy_1000(b *testing.B) {
+	benchmarkApplyFilter(b, ".metadata.name", setupNodeList(1000))
+}
diff --git a/pkg/shell-operator/debug_server.go b/pkg/shell-operator/debug_server.go
index 0bbef5d4..3b406d82 100644
--- a/pkg/shell-operator/debug_server.go
+++ b/pkg/shell-operator/debug_server.go
@@ -3,17 +3,20 @@ package shell_operator
 import (
 	"fmt"
 	"net/http"
+	"regexp"
 	"strconv"
 	"time"
 
 	"github.com/deckhouse/deckhouse/pkg/log"
-	"github.com/go-chi/chi/v5"
 
 	"github.com/flant/shell-operator/pkg/config"
 	"github.com/flant/shell-operator/pkg/debug"
 	"github.com/flant/shell-operator/pkg/task/dump"
 )
 
+// hook path may be nested like: /hook/myfolder/myhook.sh/snapshots
+var snapshotRe = regexp.MustCompile(`/hook/(.*)/snapshots.*`)
+
 // RunDefaultDebugServer initialized and run default debug server on unix and http sockets
 // This method is also used in addon-operator
 func RunDefaultDebugServer(unixSocket, httpServerAddress string, logger *log.Logger) (*debug.Server, error) {
@@ -53,9 +56,30 @@ func (op *ShellOperator) RegisterDebugHookRoutes(dbgSrv *debug.Server) {
 		return op.HookManager.GetHookNames(), nil
 	})
 
-	dbgSrv.RegisterHandler(http.MethodGet, "/hook/{name}/snapshots.{format:(json|yaml|text)}", func(r *http.Request) (interface{}, error) {
-		hookName := chi.URLParam(r, "name")
+	// handler for dump hook snapshots
+	// Example path: /hook/100-test.sh/snapshots.text
+	dbgSrv.RegisterHandler(http.MethodGet, "/hook/*", func(r *http.Request) (interface{}, error) {
+		// check regex match
+		isMatched := snapshotRe.MatchString(r.RequestURI)
+		if !isMatched {
+			return nil, &debug.NotFoundError{Msg: "404 page not found"}
+		}
+
+		// Extracting hook name from URI
+		matched := snapshotRe.FindStringSubmatch(r.RequestURI) // expression returns slice of: matched substring, matched group hookName
+		var hookName string
+		if len(matched) >= 2 { // expected presence of second element (hookName)
+			hookName = matched[1]
+		}
+		if hookName == "" {
+			return nil, &debug.BadRequestError{Msg: "'hook' parameter is required"}
+		}
+
+		// Return hook snapshot dump
 		h := op.HookManager.GetHook(hookName)
+		if h == nil {
+			return nil, &debug.BadRequestError{Msg: fmt.Sprintf("hook '%s' is not exist", hookName)}
+		}
 		return h.HookController.SnapshotsDump(), nil
 	})
 }
diff --git a/pkg/shell-operator/operator.go b/pkg/shell-operator/operator.go
index 5c627a49..0de57576 100644
--- a/pkg/shell-operator/operator.go
+++ b/pkg/shell-operator/operator.go
@@ -96,11 +96,14 @@ func NewShellOperator(ctx context.Context, opts ...Option) *ShellOperator {
 func (op *ShellOperator) Start() {
 	log.Info("start shell-operator")
 
+	op.logger.Debug("start APIServer")
 	op.APIServer.Start(op.ctx)
 
 	// Create 'main' queue and add onStartup tasks and enable bindings tasks.
+	op.logger.Debug("start bootstrapMainQueue")
 	op.bootstrapMainQueue(op.TaskQueues)
 	// Start main task queue handler
+	op.logger.Debug("start TaskQueues StartMain")
 	op.TaskQueues.StartMain(op.ctx)
 	op.initAndStartHookQueues()
 
@@ -275,6 +278,7 @@ func (op *ShellOperator) initValidatingWebhookManager() error {
 		return admissionResponse, nil
 	})
 
+	op.logger.Debug("debug ValidatingWebhookManager ValidatingResources", slog.Any("ValidatingResources", op.AdmissionWebhookManager.ValidatingResources))
 	if err := op.AdmissionWebhookManager.Start(); err != nil {
 		return fmt.Errorf("ValidatingWebhookManager start: %w", err)
 	}
diff --git a/pkg/webhook/admission/resource.go b/pkg/webhook/admission/resource.go
index b2299a16..5a726ecb 100644
--- a/pkg/webhook/admission/resource.go
+++ b/pkg/webhook/admission/resource.go
@@ -2,6 +2,7 @@ package admission
 
 import (
 	"context"
+	"fmt"
 	"log/slog"
 	"strings"
 
@@ -63,9 +64,13 @@ func (w *ValidatingWebhookResource) Register() error {
 			slog.String("path", *webhook.ClientConfig.Service.Path),
 			slog.String("configurationName", w.opts.ConfigurationName))
 
+		log.Debug("debug w.opts.ServiceName", slog.String("w.opts.ServiceName", w.opts.ServiceName))
+		log.Debug("debug ValidatingWebhook client", slog.String("webhook.ValidatingWebhook.ClientConfig.Service.Name", webhook.ValidatingWebhook.ClientConfig.Service.Name))
+
 		configuration.Webhooks = append(configuration.Webhooks, *webhook.ValidatingWebhook)
 	}
 
+	fmt.Println(configuration.Webhooks)
 	return w.submit(configuration)
 }