OCI Streaming: Handling Large Message Batches with Java SDK - Buffer Overflows
I'm updating my dependencies and I need help solving I'm stuck on something that should probably be simple..... I'm currently working on a Java application that interacts with OCI Streaming to process large batches of messages. The goal is to consume messages from a stream and process them in bulk to improve performance. However, I'm facing a buffer overflow issue when the batch size exceeds a certain limit. My application throws an exception: `java.nio.BufferOverflowException`. I'm using the following code snippet to consume messages: ```java import com.oracle.bmc.streaming.StreamClient; import com.oracle.bmc.streaming.model.Message; import com.oracle.bmc.streaming.requests.GetMessagesRequest; import com.oracle.bmc.streaming.responses.GetMessagesResponse; StreamClient streamClient = StreamClient.builder().build(); String streamId = "YOUR_STREAM_OCID"; List<Message> messages = new ArrayList<>(); int batchSize = 50; // This is the batch size I'm trying to use while (true) { GetMessagesResponse response = streamClient.getMessages(GetMessagesRequest.builder() .streamId(streamId) .limit(batchSize) .build()); messages.addAll(response.getMessages()); if (messages.size() >= batchSize) { processBatch(messages); messages.clear(); } } ``` I've tried reducing the batch size to 25, but it still doesn't solve the issue completely. Additionally, I've optimized the `processBatch` method to ensure it handles the messages efficiently. Here's a simplified version: ```java public void processBatch(List<Message> messages) { for (Message message : messages) { // Process each message } } ``` I suspect that the issue might be related to how the Java SDK handles the internal buffers when dealing with high throughput in OCI Streaming. The documentation mentions a default buffer size, but I haven't found any way to configure this. Does anyone have experience with managing large message batches in OCI Streaming using the Java SDK? Are there specific configurations or patterns that I should follow to avoid the buffer overflow issues? Any help would be greatly appreciated! For context: I'm using Java on macOS. Is there a better approach? I'm working in a Windows 10 environment. Am I approaching this the right way? Any ideas how to fix this?