| Apache Kafka Configuration |
| ====================== |
| |
| Some parameters can be configured using Gerrit config file. |
| |
| Sample config |
| --------------------- |
| |
| ``` |
| [plugin "@PLUGIN@"] |
| bootstrapServers = localhost:9092 |
| ``` |
| |
| All the Apache Kafka properties configuration needs to |
| be defined in gerrit.config using a lower camel-case notation. |
| |
| Example: bootstrapServers correspond to the Apache Kafka property |
| bootstrap.servers. |
| |
| See [Apache Kafka Producer Config](http://kafka.apache.org/documentation.html#producerconfigs) |
| for a full list of available settings and the values allowed. |
| |
| Default Values |
| ----------------- |
| |
| |name | value |
| |:--------------------|:------------------ |
| | acks | all |
| | retries | 0 |
| | batchSize | 16384 |
| | lingerMs | 1 |
| | bufferMemory | 33554432 |
| | keySerializer | org.apache.kafka.common.serialization.StringSerializer |
| | valueSerializer | org.apache.kafka.common.serialization.StringSerializer |
| |
| Additional properties |
| --------------------- |
| |
| `plugin.@PLUGIN@.groupId` |
| : Kafka consumer group for receiving messages. |
| Default: Gerrit instance-id |
| |
| `plugin.@PLUGIN@.pollingIntervalMs` |
| : Polling interval in msec for receiving messages from Kafka topic subscription. |
| Default: 1000 |
| |
| `plugin.@PLUGIN@.sendAsync` |
| : Send messages to Kafka asynchronously, detaching the calling process from the |
| acknowledge of the message being sent. |
| Default: true |
