huis

clickhouse operator health status check

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Does the clickhouse operator have a health status detection interface, I see no configuration in the manifest about this piece

Clickhouse Operator exception causes clickhouse cluster exception

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**Environment** Clickhouse Operator version: 0.17.0 **Question** Clickhouse Operator restart (oom, update, etc.) will cause clickhouse exceptions. The error is as follows: ``` 2022.02.23 11:14:56.675790 [ 10484 ] {52fafb46-2a44-4028-9a3b-0e8d82237a02} TCPHandler: Code:...

When the clickhouse-operator will perform a DNS cache delete.

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 When the clickhouse-operator will perform a DNS cache delete. Do I need to add the disable_internal_dns_cache parameter when I deploy clickhouse? Occasional failure of distributed queries because of wrong...

After upgrading to 0.17, an exception error occurs when modifying clickhouseinstallation

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After upgrading to 0.17 an exception error occurs when modifying clickhouseinstallation, which prevents modification and deletion of clickhouseinstallation. the error is as follows: The ClickHouseInstallation "clickhouse" is invalid: status.errors: Invalid...

<remote_servers> Add user and password authentication

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Add user and password authentication

DB::Exception: defau lt: Authentication failed: password is incorrect or there is no user with such name. Stack trace:DB::Exception: defau lt: Authentication failed: password is incorrect or there is no user with such name. Stack trace:

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A running clickhouse instance occasionally throws an exception with an incorrect username or password, logged as follows: 2021.09.26 10:58:38.329282 [ 121 ] {e90f2fe0-20c3-4a9a-a6a8-49bba12cc67d} TCPHandler: Code: 516, e.displayText() = DB::Exception: Received...

The affinity section supports helm templates: ```yaml podAntiAffinity: preferredDuringSchedulingIgnoredDuringExecution: - podAffinityTerm: labelSelector: matchExpressions: - key: app.kubernetes.io/name operator: In values: - '{{ template "traefik.name" . }}' topologyKey: kubernetes.io/hostname weight: 100 ```...

broker's restartPodsOnConfigMapChange set to true, helm upgrade after broker exception  

The first installation prompts that crd resources already exist

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> In a new kubernetes cluster, the first installation of victoria-metrics-k8s-stack prompts that a crd resource already exists and cannot continue with the installation ```shell helm install victoria-metrics-k8s-stack vm/victoria-metrics-k8s-stack -f...

When using containerd as a container runtime, the systemd cgroup is enabled in the containerd configuration in the cluster image rootfs (SystemdCgroup = true), the cgroupDriver line in the kubelet configuration file will have an additional error configuration (SystemdCgroup = true)

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### What happen? When using containerd as a container runtime, the systemd cgroup (SystemdCgroup = true) is enabled in the containerd configuration in the rootfs of the cluster image, and...