diff --git a/Dockerfile.nginx b/Dockerfile.nginx
index 01538b5..6d95c0f 100644
--- a/Dockerfile.nginx
+++ b/Dockerfile.nginx
@@ -3,11 +3,11 @@ FROM ghcr.io/aasaam/nginx-extra:latest
 ENV ASM_NGX_EXTRA_WORKER_PROCESSES="auto" \
   ASM_NGX_EXTRA_WORKER_RLIMIT_NOFILE="80000" \
   ASM_NGX_EXTRA_ERROR_LOG_LEVEL="warn" \
-  ASM_NGX_EXTRA_WORKER_CONNECTIONS="2048" \
+  ASM_NGX_EXTRA_WORKER_CONNECTIONS="4096" \
   ASM_NGX_EXTRA_CLIENT_BODY_TIMEOUT="4s" \
   ASM_NGX_EXTRA_CLIENT_HEADER_TIMEOUT="4s" \
   ASM_NGX_EXTRA_KEEPALIVE_REQUESTS="20480" \
-  ASM_NGX_EXTRA_KEEPALIVE_TIMEOUT="30" \
+  ASM_NGX_EXTRA_KEEPALIVE_TIMEOUT="10" \
   ASM_NGX_EXTRA_SEND_TIMEOUT="2" \
   ASM_NGX_EXTRA_CLIENT_BODY_BUFFER_SIZE="256k" \
   ASM_NGX_EXTRA_CLIENT_HEADER_BUFFER_SIZE="2k" \
@@ -16,8 +16,8 @@ ENV ASM_NGX_EXTRA_WORKER_PROCESSES="auto" \
   ASM_NGX_EXTRA_CLIENT_MAX_BODY_SIZE="2m" \
   ASM_NGX_EXTRA_PROXY_CACHE_FAST_SIZE="128m" \
   ASM_NGX_EXTRA_ACCESS_LOG_COMMENT="#" \
-  ASM_NGX_EXTRA_SSL_PROFILE="legacy" \
-  ASM_NGX_EXTRA_UPSTREAM="http://analytics-collector-producer:4000"
+  ASM_NGX_EXTRA_SSL_PROFILE="legacy"
 
 ADD nginx/nginx.conf /template/nginx.conf
+ADD nginx/upstream.conf /upstream.conf
 ADD nginx/cert /cert
diff --git a/http_record.go b/http_record.go
index 082bd99..9ef3292 100644
--- a/http_record.go
+++ b/http_record.go
@@ -208,30 +208,27 @@ func httpRecord(
 		)
 	}
 
-	_, redErr := redisClient.LPush(context.Background(), redisKeyRecords, recordBytes).Result()
+	go func() {
+		_, redErr := redisClient.LPush(context.Background(), redisKeyRecords, recordBytes).Result()
+		if redErr != nil {
+			blockErr := errorInternalDependencyFailed
+			blockErr.debug = redErr.Error()
 
-	if redErr != nil {
-		blockErr := errorInternalDependencyFailed
-		blockErr.debug = redErr.Error()
-
-		conf.getLogger().
-			Error().
-			Str("part", "finalize").
-			Str("on", blockErr.msg).
-			Str("error", blockErr.debug).
-			Str("ip", ip.String()).
-			Str("method", c.Method()).
-			Str("path", c.Path()).
-			Str("qs", string(c.Request().URI().QueryString())).
-			Str("body", string(c.Request().Body())).
-			Strs("headers", rawHeaderLog(c.Request().Header.RawHeaders())).
-			Send()
+			conf.getLogger().
+				Error().
+				Str("part", "finalize").
+				Str("on", blockErr.msg).
+				Str("error", blockErr.debug).
+				Str("ip", ip.String()).
+				Str("method", c.Method()).
+				Str("path", c.Path()).
+				Str("qs", string(c.Request().URI().QueryString())).
+				Str("body", string(c.Request().Body())).
+				Strs("headers", rawHeaderLog(c.Request().Header.RawHeaders())).
+				Send()
 
-		return httpErrorResponse(
-			c,
-			blockErr,
-		)
-	}
+		}
+	}()
 
 	if record.isImage() {
 		return responseImage(c)
diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index 280241f..02881ad 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -23,6 +23,8 @@ http {
 
   include /.defaults/http.conf;
 
+  include /upstream.conf;
+
   client_body_timeout  ${ASM_NGX_EXTRA_CLIENT_BODY_TIMEOUT};
   client_header_timeout ${ASM_NGX_EXTRA_CLIENT_HEADER_TIMEOUT};
   keepalive_requests ${ASM_NGX_EXTRA_KEEPALIVE_REQUESTS};
@@ -38,11 +40,14 @@ http {
   proxy_buffering on;
   proxy_buffers 16 128k;
   proxy_buffer_size 128k;
-  proxy_cache_methods GET HEAD;
-  proxy_cache_use_stale error timeout invalid_header updating http_500 http_502 http_503 http_504 http_429;
   proxy_http_version 1.1;
   proxy_read_timeout 20s;
-  proxy_cache_valid 200 301 4m;
+  proxy_cache_use_stale error timeout invalid_header updating http_500 http_502 http_503 http_504 http_429;
+  proxy_cache_methods GET HEAD;
+  proxy_cache_valid 200 206 301 10m;
+  proxy_cache_lock_timeout 0s;
+  proxy_cache_lock_age 60s;
+  proxy_cache_lock on;
   proxy_request_buffering off;
 
   # proxy cache
@@ -83,8 +88,6 @@ http {
     ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA256:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA;
     ssl_prefer_server_ciphers on;
 
-
-
     location = /stub_status {
       allow 127.0.0.0/8;
       allow 192.168.0.0/16;
@@ -131,7 +134,7 @@ http {
       proxy_set_header X-Forwarded-For   $proxy_add_x_forwarded_for;
 
       proxy_cache PROXY_CACHE_FAST;
-      proxy_pass ${ASM_NGX_EXTRA_UPSTREAM};
+      proxy_pass http://producers;
 
       ${ASM_NGX_EXTRA_ACCESS_LOG_COMMENT} access_log /dev/stdout http_jsonlog if=$loggable;
     }
diff --git a/nginx/upstream.conf b/nginx/upstream.conf
new file mode 100644
index 0000000..79489fb
--- /dev/null
+++ b/nginx/upstream.conf
@@ -0,0 +1,8 @@
+upstream producers {
+  server analytics-collector-producer:4000;
+  # server analytics-collector-producer-0:4000;
+  # server analytics-collector-producer-1:4000;
+  # server analytics-collector-producer-2:4000;
+  # server analytics-collector-producer-3:4000;
+  # server analytics-collector-producer-4:4000;
+}