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3123830 - How to improve the Jgroup stablity

Symptom

When the larger cluster works in the Commerce Cloud V2 environment, suddenly some nodes is out of cluster, but those of them are up and running, and can find the below error in the Kibana log:

{
  "_index": "flb-2021.10.12",
  "_type": "flb_type",
  "_id": "d3b7a2f3-29c4-1f7e-3cd5-404149995fe1",
  "_version": 1,
  "_score": null,
  "_source": {
    "@fb_timestamp": "2021-10-12T17:25:58.919Z",
    "log": "{\"@version\":1,\"source_host\":\"accstorefront-******-*****\",\"message\":\"JGRP000032: hybrisnode-10: no physical address for hybrisnode-22, dropping message\",\"thread_name\":\"TQ-Bundler-8,hybris-broadcast,hybrisnode-10\",\"@timestamp\":\"2021-10-12T19:25:58.919+02:00\",\"level\":\"WARN\",\"logger_name\":\"org.jgroups.protocols.TCP\"}\n",
    "stream": "stdout",
    "time": "2021-10-12T17:25:58.919848915Z",
    "logs": {
      "@version": 1,
      "source_host": "accstorefront-******-*****",
      "message": "JGRP000032: hybrisnode-10: no physical address for hybrisnode-22, dropping message",
      "thread_name": "TQ-Bundler-8,hybris-broadcast,hybrisnode-10",
      "@timestamp": "2021-10-12T19:25:58.919+02:00",
      "level": "WARN",
      "logger_name": "org.jgroups.protocols.TCP"
    },
    "kubernetes": {
      "pod_name": "accstorefront-6649b445f8-ndrmh",
      "namespace_name": "default",
      "pod_id": "47fa942e-6b8c-44b9-8013-9a264e2320c0",
      "labels": {
        "app_kubernetes_io/component": "backend",
        "app_kubernetes_io/managed-by": "hybris-operator",
        "app_kubernetes_io/name": "hybris",
        "app_kubernetes_io/part-of": "hybris",
        "ccv2_cx_sap_com/platform-aspect": "accstorefront",
        "pod-template-hash": "6649b445f8"
      },
      "annotations": {
        "ccv2_cx_sap_com/apply-config-revision": "4",
        "ccv2_cx_sap_com/build-code": "20211011.6",
        "ccv2_cx_sap_com/deployment-id": "305856",
        "cni_projectcalico_org/podIP": "10.245.54.9/32",
        "fluentbit_io/parser": "mt-accstorefront",
        "platform-security-configmap-hash": "1996966820"
      },
      "host": "k8s-cmb8j9fjhzem-61467557-vmss00005o",
      "container_name": "platform",
      "docker_id": "f500c28fdd2ac423a87da04304fbb1bab3f4185086763cff1a4e95730e08efe4"
    }
  },
  "fields": {
    "@fb_timestamp": [
      "2021-10-12T17:25:58.919Z"
    ],
    "logs.@timestamp": [
      "2021-10-12T17:25:58.919Z"
    ],
    "time": [
      "2021-10-12T17:25:58.919Z"
    ]
  },
  "highlight": {
    "kubernetes.pod_name": [
      "@kibana-highlighted-field@accstorefront@/kibana-highlighted-field@-@kibana-highlighted-field@6649b445f8@/kibana-highlighted-field@-@kibana-highlighted-field@ndrmh@/kibana-highlighted-field@"
    ]
  },
  "sort": [
    1634059558919
  ]

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Environment

SAP Commerce Cloud V2

Product

SAP Commerce Cloud all versions

Keywords

jgroup, jgroup-tcp.xml, no physical address , KBA , CEC-HCS-CCAZ-OPS , OPS component for General environment management , How To

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