diff --git a/playbooks/roles/filebeat/templates/filebeat.yml b/playbooks/roles/filebeat/templates/filebeat.yml
index 492d136..1c74245 100644
--- a/playbooks/roles/filebeat/templates/filebeat.yml
+++ b/playbooks/roles/filebeat/templates/filebeat.yml
@@ -1,12 +1,15 @@
 logging.json: false
 
+queue.mem:
+  events: {{ filebeat_queue_mem_events | default(1024) }}
+  
 filebeat.inputs:
 - type: log
   paths: {{ logs[log_type]['paths'] }}
   {% if "exclude_files" in logs[log_type] -%}
   exclude_files: {{ logs[log_type]['exclude_files'] }}
   {% endif -%}
-  harvester_buffer_size: 40960
+  harvester_buffer_size: 2048
   ignore_older: {{ filebeat_older }}
   tail_files: {{ filebeat_tail_files | string | lower }}
 
@@ -49,7 +52,7 @@ output.elasticsearch:
   password: {{ logs[log_type]['es_passwd'] | default('') }}
   {% endif -%}
 
-  bulk_max_size: 1500
+  bulk_max_size: {{ filebeat_bulk_max_size | default(500) }}
   flush_interval: 5s
   compression_level: {{ filebeat_compression_level  }}
   worker: {{ filebeat_output_works }}