Updated configuration to spawn multiple threads for processing

cluster/addons/fluentd-elasticsearch/fluentd-es-image/td-agent.conf

@@ -266,4 +266,6 @@
    max_retry_wait 30
    # Disable the limit on the number of retries (retry forever).
    disable_retry_limit
+   # Use multiple threads for processing.
+   num_threads 8
 </match>

cluster/addons/fluentd-gcp/fluentd-gcp-image/google-fluentd-journal.conf

@@ -234,6 +234,8 @@
   max_retry_wait 30
   # Disable the limit on the number of retries (retry forever).
   disable_retry_limit
+  # Use multiple threads for processing.
+  num_threads 8
 </match>
 
 # Keep a smaller buffer here since these logs are less important than the user's
@@ -246,4 +248,5 @@
   flush_interval 5s
   max_retry_wait 30
   disable_retry_limit
+  num_threads 8
 </match>

cluster/addons/fluentd-gcp/fluentd-gcp-image/google-fluentd.conf

@@ -218,6 +218,8 @@
   max_retry_wait 30
   # Disable the limit on the number of retries (retry forever).
   disable_retry_limit
+  # Use multiple threads for processing.
+  num_threads 8
 </match>
 
 # Keep a smaller buffer here since these logs are less important than the user's
@@ -230,4 +232,5 @@
   flush_interval 5s
   max_retry_wait 30
   disable_retry_limit
+  num_threads 8
 </match>