BewareMyPower commented on code in PR #17795:
URL: https://github.com/apache/pulsar/pull/17795#discussion_r991511684
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pulsar-client/src/main/java/org/apache/pulsar/client/impl/ProducerImpl.java:
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@@ -519,35 +519,42 @@ public void sendAsync(Message<?> message, SendCallback
callback) {
// chunked message also sent individually so, try to acquire
send-permits
for (int i = 0; i < (totalChunks - 1); i++) {
- if (!canEnqueueRequest(callback, message.getSequenceId(), 0 /* The
memory was already reserved */)) {
+ if (!conf.isBlockIfQueueFull() && !canEnqueueRequest(callback,
message.getSequenceId(),
+ 0 /* The memory was already reserved */)) {
client.getMemoryLimitController().releaseMemory(uncompressedSize);
semaphoreRelease(i + 1);
return;
}
}
try {
- synchronized (this) {
- int readStartIndex = 0;
- String uuid = totalChunks > 1 ? String.format("%s-%d",
producerName, sequenceId) : null;
- ChunkedMessageCtx chunkedMessageCtx = totalChunks > 1 ?
ChunkedMessageCtx.get(totalChunks) : null;
- byte[] schemaVersion = totalChunks > 1 &&
msg.getMessageBuilder().hasSchemaVersion()
- ? msg.getMessageBuilder().getSchemaVersion() : null;
- byte[] orderingKey = totalChunks > 1 &&
msg.getMessageBuilder().hasOrderingKey()
- ? msg.getMessageBuilder().getOrderingKey() : null;
- for (int chunkId = 0; chunkId < totalChunks; chunkId++) {
- // Need to reset the schemaVersion, because the
schemaVersion is based on a ByteBuf object in
- // `MessageMetadata`, if we want to re-serialize the
`SEND` command using a same `MessageMetadata`,
- // we need to reset the ByteBuf of the schemaVersion in
`MessageMetadata`, I think we need to
- // reset `ByteBuf` objects in `MessageMetadata` after call
the method `MessageMetadata#writeTo()`.
- if (chunkId > 0) {
- if (schemaVersion != null) {
-
msg.getMessageBuilder().setSchemaVersion(schemaVersion);
- }
- if (orderingKey != null) {
-
msg.getMessageBuilder().setOrderingKey(orderingKey);
- }
+ int readStartIndex = 0;
+ String uuid = totalChunks > 1 ? String.format("%s-%d",
producerName, sequenceId) : null;
+ ChunkedMessageCtx chunkedMessageCtx = totalChunks > 1 ?
ChunkedMessageCtx.get(totalChunks) : null;
+ byte[] schemaVersion = totalChunks > 1 &&
msg.getMessageBuilder().hasSchemaVersion()
+ ? msg.getMessageBuilder().getSchemaVersion() : null;
+ byte[] orderingKey = totalChunks > 1 &&
msg.getMessageBuilder().hasOrderingKey()
+ ? msg.getMessageBuilder().getOrderingKey() : null;
+ for (int chunkId = 0; chunkId < totalChunks; chunkId++) {
+ // Need to reset the schemaVersion, because the schemaVersion
is based on a ByteBuf object in
+ // `MessageMetadata`, if we want to re-serialize the `SEND`
command using a same `MessageMetadata`,
+ // we need to reset the ByteBuf of the schemaVersion in
`MessageMetadata`, I think we need to
+ // reset `ByteBuf` objects in `MessageMetadata` after call the
method `MessageMetadata#writeTo()`.
+ if (chunkId > 0) {
+ if (schemaVersion != null) {
+
msg.getMessageBuilder().setSchemaVersion(schemaVersion);
+ }
+ if (orderingKey != null) {
+ msg.getMessageBuilder().setOrderingKey(orderingKey);
}
+ }
+ if (chunkId > 0 && conf.isBlockIfQueueFull() &&
!canEnqueueRequest(callback,
+ message.getSequenceId(), 0 /* The memory was already
reserved */)) {
+
client.getMemoryLimitController().releaseMemory(uncompressedSize -
readStartIndex);
+ semaphoreRelease(totalChunks - chunkId);
+ return;
+ }
Review Comment:
`canEnqueueRequest` always return true when `conf.isBlockIfQueueFull()`
returns true. So it could never go into this if block.
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