docs(*): document new max_queued_batches parameter (#10070)

Kong · Jan 5, 2023 · 62adb14 · 62adb14 · khcp-gha-bot · Jan 5, 2023
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diff --git a/kong.conf.default b/kong.conf.default
@@ -1771,3 +1771,13 @@
                                   # Setting this attribute disables the search
                                   # behavior and explicitly instructs Kong which
                                   # OpenResty installation to use.
+
+#max_queued_batches = 100         # Maximum number of batches to keep on an internal
+                                  # plugin queue before dropping old batches.  This is
+                                  # meant as a global, last-resort control to prevent
+                                  # queues from consuming infinite memory.  When batches
+                                  # are being dropped, an error message
+                                  # "exceeded max_queued_batches (%d), dropping oldest"
+                                  # will be logged.  The error message will also include
+                                  # a string that identifies the plugin causing the
+                                  # problem.
diff --git a/kong/templates/kong_defaults.lua b/kong/templates/kong_defaults.lua
@@ -187,4 +187,6 @@ openresty_path =
 
 opentelemetry_tracing = off
 opentelemetry_tracing_sampling_rate = 1.0
+
+max_queued_batches = 100
 ]]