chore: postgres-fine-tune

.github/workflows/.dbdeployer.yml

@@ -48,7 +48,7 @@ on:
 jobs:
   deploy_db:
     runs-on: ubuntu-24.04
-    name: Deploy Crunchy DB If not Deployed
+    name: Deploy Or Upgrade Crunchy DB
     environment: ${{ inputs.environment }}
     steps:
       - uses: actions/checkout@v4

backend/src/app.ts

@@ -33,6 +33,6 @@ export async function bootstrap() {
     .build();
 
   const document = SwaggerModule.createDocument(app, config);
-  SwaggerModule.setup("docs", app, document);
+  SwaggerModule.setup("/api/docs", app, document);
   return app;
 }

charts/crunchy/templates/PostgresCluster.yaml

@@ -214,18 +214,22 @@ spec:
       postgresql:
         pg_hba: {{ toYaml .Values.crunchy.patroni.postgresql.pg_hba | nindent 10 }}
         parameters:
+          log_min_duration_statement: {{ .Values.crunchy.patroni.postgresql.parameters.log_min_duration_statement }}
           shared_buffers: {{ .Values.crunchy.patroni.postgresql.parameters.shared_buffers }}
           wal_buffers: {{ .Values.crunchy.patroni.postgresql.parameters.wal_buffers }}
+          work_mem: {{ .Values.crunchy.patroni.postgresql.parameters.work_mem }}
           min_wal_size: {{ .Values.crunchy.patroni.postgresql.parameters.min_wal_size }}
           max_wal_size: {{ .Values.crunchy.patroni.postgresql.parameters.max_wal_size }}
           max_slot_wal_keep_size:  {{ .Values.crunchy.patroni.postgresql.parameters.max_slot_wal_keep_size }}
+          effective_io_concurrency: {{ .Values.crunchy.patroni.postgresql.parameters.effective_io_concurrency }}
   {{- if and .Values.crunchy.proxy .Values.crunchy.proxy.enabled }}
   proxy:
     pgBouncer:
       config:
         global:
           client_tls_sslmode: disable
           pool_mode: session
+          max_db_connections: {{ .Values.crunchy.proxy.pgBouncer.maxConnections | quote }}
       {{ if .Values.crunchy.proxy.pgBouncer.image }}
       image: {{ .Values.crunchy.proxy.pgBouncer.image }}
       {{ end }}

charts/crunchy/values.yaml

@@ -34,7 +34,7 @@ crunchy: # enable it for TEST and PROD, for PR based pipelines simply use single
     dataVolumeClaimSpec:
       storage: 200Mi
       storageClassName: netapp-block-standard
-      walStorage: 225Mi
+      walStorage: 255Mi
 
     requests:
       cpu: 50m
@@ -108,15 +108,18 @@ crunchy: # enable it for TEST and PROD, for PR based pipelines simply use single
 
   patroni:
     postgresql:
-      pg_hba: 
+      pg_hba:
         - "host all all 0.0.0.0/0 md5"
         - "host all all ::1/128 md5"
       parameters:
         shared_buffers: 16MB # default is 128MB; a good tuned default for shared_buffers is 25% of the memory allocated to the pod
         wal_buffers: "64kB" # this can be set to -1 to automatically set as 1/32 of shared_buffers or 64kB, whichever is larger
         min_wal_size: 32MB
         max_wal_size: 64MB # default is 1GB
-        max_slot_wal_keep_size: 96MB # default is -1, allowing unlimited wal growth when replicas fall behind
+        max_slot_wal_keep_size: 128MB # default is -1, allowing unlimited wal growth when replicas fall behind
+        work_mem: 2MB # a work_mem value of 2 MB
+        log_min_duration_statement: 1000ms # log queries taking more than 1 second to respond.
+        effective_io_concurrency: 20 #If the underlying disk can handle multiple simultaneous requests, then you should increase the effective_io_concurrency value and test what value provides the best application performance. All BCGov clusters have SSD.
 
   proxy:
     enabled: true
@@ -129,6 +132,7 @@ crunchy: # enable it for TEST and PROD, for PR based pipelines simply use single
       limits:
         cpu: 20m
         memory: 64Mi
+      maxConnections: 10 # make sure less than postgres max connections
 
   # Postgres Cluster resource values:
   pgmonitor: