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Posted to commits@rocketmq.apache.org by "imjyz (via GitHub)" <gi...@apache.org> on 2026/03/20 09:22:04 UTC
[I] [Feature] Support batch send in Producer API (Proto already supports it) [rocketmq-clients]
imjyz opened a new issue, #1205:
URL: https://github.com/apache/rocketmq-clients/issues/1205
### Programming Language of the Client
Java
### Is Your Feature Request Related to a Problem?
The current Producer.send() only supports single messages. Although the underlying rocketmq-apis (gRPC/proto) already supports batch transmission, the client SDK lacks a high-level API to utilize this, causing unnecessary network RTT overhead.
### Describe the Solution You'd Like
Add a batch send method to the Producer interface:
```java
// Example
Result send(List<Message> messages)
```
### Describe Alternatives You've Considered
Loop sending
### Additional Context
proto:
```proto
message SendMessageRequest {
repeated Message messages = 1;
}
message SendResultEntry {
Status status = 1;
string message_id = 2;
string transaction_id = 3;
int64 offset = 4;
string recall_handle = 5;
}
message SendMessageResponse {
Status status = 1;
repeated SendResultEntry entries = 2;
}
```
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Re: [I] [Feature] Support batch send in Producer API (Proto already supports it) [rocketmq-clients]
Posted by "imjyz (via GitHub)" <gi...@apache.org>.
imjyz commented on issue #1205:
URL: https://github.com/apache/rocketmq-clients/issues/1205#issuecomment-5494620595
I checked the latest Java client again (including the `java-5.2.2` release and current `master`). The public `Producer` API still only exposes `send(Message)` and `sendAsync(Message)`, while `ProducerImpl` still has an internal `send(List<Message>, boolean)` path that builds one `SendMessageRequest` with multiple messages.
The legacy Remoting Java client provides the similar `DefaultMQProducer.send(Collection<Message>)` API, but I could not find an equivalent public batch-send API in the Java 5.x gRPC client.
Could the maintainers clarify whether there is now a supported alternative for batching messages into a single RPC? If not, is the community willing to restore/expose a batch API here? It would also be helpful to understand whether the constraint that led to removing the original public batch API in commit `f9792612e1` still applies (for example, Proxy/protocol compatibility, per-message partial failures, batch limits, or retry semantics).
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Re: [I] [Feature] Support batch send in Producer API (Proto already supports it) [rocketmq-clients]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #1205:
URL: https://github.com/apache/rocketmq-clients/issues/1205#issuecomment-4277234444
This issue is stale because it has been open for 30 days with no activity. It will be closed in 3 days if no further activity occurs.
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Re: [I] [Feature] Support batch send in Producer API (Proto already supports it) [rocketmq-clients]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #1205:
URL: https://github.com/apache/rocketmq-clients/issues/1205#issuecomment-4300928390
This issue was closed because it has been inactive for 3 days since being marked as stale.
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Re: [I] [Feature] Support batch send in Producer API (Proto already supports it) [rocketmq-clients]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] closed issue #1205: [Feature] Support batch send in Producer API (Proto already supports it)
URL: https://github.com/apache/rocketmq-clients/issues/1205
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