@@ -55,6 +55,7 @@ The prebuilt container images can be configured with the following environment v
| `KAFKA_LINGER_MS` | Value for the Kafka producer configuration: [`linger.ms`](https://kafka.apache.org/documentation/#producerconfigs_linger.ms). Only used if Kafka is set as `TARGET`. | see Kafka producer config: [`linger.ms`](https://kafka.apache.org/documentation/#producerconfigs_linger.ms) |
| `KAFKA_BUFFER_MEMORY` | Value for the Kafka producer configuration: [`buffer.memory`](https://kafka.apache.org/documentation/#producerconfigs_buffer.memory) Only used if Kafka is set as `TARGET`. | see Kafka producer config: [`buffer.memory`](https://kafka.apache.org/documentation/#producerconfigs_buffer.memory) |
| `HTTP_URL` | The URL the load generator should post messages to. Only used if HTTP is set as `TARGET`. | |
| `HTTP_ASYNC` | Whether the load generator should send HTTP messages asynchronously. Only used if HTTP is set as `TARGET`. | `false` |
| `PUBSUB_INPUT_TOPIC` | The Google Cloud Pub/Sub topic to write messages to. Only used if Pub/Sub is set as `TARGET`. | input |
| `PUBSUB_PROJECT` | The Google Cloud this Pub/Sub topic is associated with. Only used if Pub/Sub is set as `TARGET`. | |
| `PUBSUB_EMULATOR_HOST` | A Pub/Sub emulator host. Only used if Pub/Sub is set as `TARGET`. | |
