fix: minor performance tuning for logging pipeline

charts/kubezero-logging/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: kubezero-logging
 description: KubeZero Umbrella Chart for complete EFK stack
 type: application
-version: 0.6.4
+version: 0.6.5
 appVersion: 1.4.1
 home: https://kubezero.com
 icon: https://cdn.zero-downtime.net/assets/kubezero/logo-small-64.png

charts/kubezero-logging/templates/eck/elasticsearch.yaml

@@ -24,7 +24,7 @@ spec:
       {{- if .processors }}
       node.processors: {{ .processors }}
       {{- end }}
-      indices.memory.index_buffer_size: "30%"
+      indices.memory.index_buffer_size: "20%"
     podTemplate:
       {{- if $.Values.es.s3Snapshot.iamrole }}
       metadata:

charts/kubezero-logging/values.yaml

@@ -181,8 +181,9 @@ fluentd:
           logstash_format true
           reconnect_on_error true
           reload_on_failure true
-          request_timeout 60s
+          request_timeout 120s
           suppress_type_name true
+          bulk_message_request_threshold 2097152
 
           <buffer tag>
             @type file_single
@@ -190,7 +191,7 @@ fluentd:
             chunk_limit_size 8MB
             total_limit_size 4GB
             flush_mode interval
-            flush_thread_count 2
+            flush_thread_count 8
             flush_interval 10s
             flush_at_shutdown true
             retry_type exponential_backoff