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philipp94831 merged 5 commits into from
Aug 11, 2026
Merged

Mount state to non-temporary directory #474

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9244e3c
Mount state to non-temporary directory
philipp94831 Aug 10, 2026
96cff06
Quote
philipp94831 Aug 10, 2026
6fa8ada
Only set when persistence is enabled
philipp94831 Aug 10, 2026
eadb255
Only set when persistence is enabled
philipp94831 Aug 10, 2026
f6b0d48
Revert condition
philipp94831 Aug 10, 2026
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23 changes: 12 additions & 11 deletions charts/consumer-app/README.md
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Expand Up @@ -52,17 +52,18 @@ Alternatively, a YAML file that specifies the values for the parameters can be p

### Kafka

| Parameter | Description | Default |
|------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------|
| `kafka.bootstrapServers` | Comma separated list of Kafka bootstrap servers to connect to. | |
| `kafka.schemaRegistryUrl` | URL of Schema Registry to connect to. | `null` |
| `kafka.staticMembership` | Whether to use [Kafka Static Group Membership](https://cwiki.apache.org/confluence/display/KAFKA/KIP-345%3A+Introduce+static+membership+protocol+to+reduce+consumer+rebalances). | `false` |
| `kafka.config` | Configurations for your [Kafka Consumer app](https://kafka.apache.org/documentation/#consumerconfigs). | `{}` |
| `kafka.inputTopics` | List of input topics for your consumer application. | `[]` |
| `kafka.labeledInputTopics` | Map of additional labeled input topics if you need to specify multiple topics with different message types. | `{}` |
| `kafka.inputPattern` | Input pattern of topics for your consumer application. | |
| `kafka.labeledInputPatterns` | Map of additional labeled input patterns if you need to specify multiple topics with different message types. | `{}` |
| `kafka.groupId` | Unique group ID for Kafka Consumer. Required for auto-scaling | |
| Parameter | Description | Default |
|------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------|
| `kafka.bootstrapServers` | Comma separated list of Kafka bootstrap servers to connect to. | |
| `kafka.schemaRegistryUrl` | URL of Schema Registry to connect to. | `null` |
| `kafka.staticMembership` | Whether to use [Kafka Static Group Membership](https://cwiki.apache.org/confluence/display/KAFKA/KIP-345%3A+Introduce+static+membership+protocol+to+reduce+consumer+rebalances). | `false` |
| `kafka.stateDir` | Directory for app state. | `/state/kafka-consumer` |
| `kafka.config` | Configurations for your [Kafka Consumer app](https://kafka.apache.org/documentation/#consumerconfigs). | `{}` |
| `kafka.inputTopics` | List of input topics for your consumer application. | `[]` |
| `kafka.labeledInputTopics` | Map of additional labeled input topics if you need to specify multiple topics with different message types. | `{}` |
| `kafka.inputPattern` | Input pattern of topics for your consumer application. | |
| `kafka.labeledInputPatterns` | Map of additional labeled input patterns if you need to specify multiple topics with different message types. | `{}` |
| `kafka.groupId` | Unique group ID for Kafka Consumer. Required for auto-scaling | |

### Other

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4 changes: 3 additions & 1 deletion charts/consumer-app/templates/deployment.yaml
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Expand Up @@ -15,6 +15,8 @@ spec:
env:
{{- include "kafka-app.common-env" . | nindent 12 }}
{{- include "kafka-app.group-instance-id-env" . | indent 12 }}
- name: KAFKA_STATE_DIR
Comment thread
philipp94831 marked this conversation as resolved.
value: {{ .Values.kafka.stateDir | quote }}
{{- include "kafka-app.input-env" . | indent 12 }}
{{- include "kafka-app.group-id-env" . | indent 12 }}
- name: JAVA_TOOL_OPTIONS
Expand All @@ -25,7 +27,7 @@ spec:
{{- include "kafka-app.volume-mounts" . | indent 12 }}
{{- if and .Values.persistence.enabled .Values.statefulSet }}
- name: datadir
mountPath: /tmp/kafka-consumer
mountPath: {{ .Values.kafka.stateDir | quote }}
{{- end }}
{{- end }}
{{- if or (.Values.jmx.enabled) (.Values.ports) }}
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1 change: 1 addition & 0 deletions charts/consumer-app/values.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ kafka:
# bootstrapServers: "test:9092"
# schemaRegistryUrl: "url:1234"
staticMembership: false
stateDir: /state/kafka-consumer
config: {}
# max.poll.records: 500
# Note that YAML may convert large integers to scientific notation. Use Strings to avoid this.
Expand Down
29 changes: 15 additions & 14 deletions charts/consumerproducer-app/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -52,20 +52,21 @@ Alternatively, a YAML file that specifies the values for the parameters can be p

### Kafka

| Parameter | Description | Default |
|------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------|
| `kafka.bootstrapServers` | Comma separated list of Kafka bootstrap servers to connect to. | |
| `kafka.schemaRegistryUrl` | URL of Schema Registry to connect to. | `null` |
| `kafka.staticMembership` | Whether to use [Kafka Static Group Membership](https://cwiki.apache.org/confluence/display/KAFKA/KIP-345%3A+Introduce+static+membership+protocol+to+reduce+consumer+rebalances). | `false` |
| `kafka.config` | Configurations for your Kafka [Consumer](https://kafka.apache.org/documentation/#consumerconfigs) and [Producer](https://kafka.apache.org/documentation/#producerconfigs) app. | `{}` |
| `kafka.inputTopics` | List of input topics for your ConsumerProducer application. | `[]` |
| `kafka.labeledInputTopics` | Map of additional labeled input topics if you need to specify multiple topics with different message types. | `{}` |
| `kafka.inputPattern` | Input pattern of topics for your ConsumerProducer application. | |
| `kafka.labeledInputPatterns` | Map of additional labeled input patterns if you need to specify multiple topics with different message types. | `{}` |
| `kafka.outputTopic` | Output topic for your ConsumerProducer application. | |
| `kafka.labeledOutputTopics` | Map of additional labeled output topics if you need to specify multiple topics with different message types. | `{}` |
| `kafka.errorTopic` | Error topic for your ConsumerProducer application. | |
| `kafka.groupId` | Unique group ID for Kafka ConsumerProducer. Required for auto-scaling | |
| Parameter | Description | Default |
|------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------|
| `kafka.bootstrapServers` | Comma separated list of Kafka bootstrap servers to connect to. | |
| `kafka.schemaRegistryUrl` | URL of Schema Registry to connect to. | `null` |
| `kafka.staticMembership` | Whether to use [Kafka Static Group Membership](https://cwiki.apache.org/confluence/display/KAFKA/KIP-345%3A+Introduce+static+membership+protocol+to+reduce+consumer+rebalances). | `false` |
| `kafka.stateDir` | Directory for app state. | `/state/kafka-consumer-producer` |
| `kafka.config` | Configurations for your Kafka [Consumer](https://kafka.apache.org/documentation/#consumerconfigs) and [Producer](https://kafka.apache.org/documentation/#producerconfigs) app. | `{}` |
| `kafka.inputTopics` | List of input topics for your ConsumerProducer application. | `[]` |
| `kafka.labeledInputTopics` | Map of additional labeled input topics if you need to specify multiple topics with different message types. | `{}` |
| `kafka.inputPattern` | Input pattern of topics for your ConsumerProducer application. | |
| `kafka.labeledInputPatterns` | Map of additional labeled input patterns if you need to specify multiple topics with different message types. | `{}` |
| `kafka.outputTopic` | Output topic for your ConsumerProducer application. | |
| `kafka.labeledOutputTopics` | Map of additional labeled output topics if you need to specify multiple topics with different message types. | `{}` |
| `kafka.errorTopic` | Error topic for your ConsumerProducer application. | |
| `kafka.groupId` | Unique group ID for Kafka ConsumerProducer. Required for auto-scaling | |

### Other

Expand Down
4 changes: 3 additions & 1 deletion charts/consumerproducer-app/templates/deployment.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,8 @@ spec:
{{- end }}
{{- end }}
{{- include "kafka-app.group-instance-id-env" . | indent 12 }}
- name: KAFKA_STATE_DIR
value: {{ .Values.kafka.stateDir | quote }}
{{- include "kafka-app.input-env" . | indent 12 }}
{{- include "kafka-app.output-env" . | indent 12 }}
{{- include "kafka-app.error-env" . | indent 12 }}
Expand All @@ -37,7 +39,7 @@ spec:
{{- include "kafka-app.volume-mounts" . | indent 12 }}
{{- if and .Values.persistence.enabled .Values.statefulSet }}
- name: datadir
mountPath: /tmp/kafka-streams
mountPath: {{ .Values.kafka.stateDir | quote }}
{{- end }}
{{- end }}
{{- if or (.Values.jmx.enabled) (.Values.ports) }}
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1 change: 1 addition & 0 deletions charts/consumerproducer-app/values.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ kafka:
# bootstrapServers: "test:9092"
# schemaRegistryUrl: "url:1234"
staticMembership: false
stateDir: /state/kafka-consumer-producer
config: {}
# max.poll.records: 500
# Note that YAML may convert large integers to scientific notation. Use Strings to avoid this.
Expand Down
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