fix(gateway): reduce prometheus shared dict to 128m (#312)

Author: jarvis9443

charts/gateway/Chart.yaml

@@ -16,7 +16,7 @@ type: application
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
 # major.minor mirrors the API7 EE release line (3.10.x), patch is this chart's
 # own counter on that line and is decoupled from the app patch (see appVersion).
-version: 3.10.5
+version: 3.10.6
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

charts/gateway/README.md

@@ -87,7 +87,7 @@ The command removes all the Kubernetes components associated with the chart and
 | apisix.lru.secret.neg_ttl | int | `60` | TTL in seconds for cached negative (failed lookup) results |
 | apisix.lru.secret.ttl | int | `300` | TTL in seconds for cached secret values |
 | apisix.maxPostArgsReadableSize | int | `64` | Cap (in MB) on the request body read when matching `post_arg.*` route predicates for JSON and multipart requests. Set to 0 to disable the limit. |
-| apisix.meta.luaSharedDict | object | `{"prometheus-metrics":"256m"}` | Shared dict settings for the `meta` context (used by both HTTP and stream subsystems) |
+| apisix.meta.luaSharedDict | object | `{"prometheus-metrics":"128m"}` | Shared dict settings for the `meta` context (used by both HTTP and stream subsystems) |
 | apisix.nodeSelector | object | `{}` | Node labels for API7 Gateway pod assignment |
 | apisix.normalizeURILikeServlet | bool | `false` | The URI normalization in servlet is a little different from the RFC's. See https://github.com/jakartaee/servlet/blob/master/spec/src/main/asciidoc/servlet-spec-body.adoc#352-uri-path-canonicalization, which is used under Tomcat. Turn this option on if you want to be compatible with servlet when matching URI path. |
 | apisix.podAnnotations | object | `{}` | Annotations to add to each pod |

charts/gateway/values.yaml

@@ -99,7 +99,7 @@ apisix:
   meta:
     # -- Shared dict settings for the `meta` context (used by both HTTP and stream subsystems)
     luaSharedDict:
-      prometheus-metrics: 256m
+      prometheus-metrics: 128m
 
   stream:
     # -- Shared dict settings for the stream (L4 proxy) subsystem