wy96f commented on a change in pull request #2666: ARTEMIS-2336 Use zero copy
to replicate journal/page/large message file
URL: https://github.com/apache/activemq-artemis/pull/2666#discussion_r283246012
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File path:
artemis-core-client/src/main/java/org/apache/activemq/artemis/core/remoting/impl/netty/NettyConnection.java
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@@ -395,19 +425,18 @@ private static void flushAndWait(final Channel channel,
final ChannelPromise pro
}
}
- private ChannelFuture writeBatch(final ByteBuf bytes, final int
readableBytes, final ChannelPromise promise) {
+ private ChannelFuture writeBatch(final ByteBuf bytes, Object fileObject,
final int readableBytes, final ChannelPromise promise) {
final int batchBufferSize = batchBufferSize(channel,
this.writeBufferHighWaterMark);
final int nextBatchSize = batchBufferSize + readableBytes;
if (nextBatchSize > batchLimit) {
//request to flush before writing, to create the chance to make the
channel writable again
channel.flush();
- //let netty use its write batching ability
- return channel.write(bytes, promise);
- } else if (nextBatchSize == batchLimit) {
- return channel.writeAndFlush(bytes, promise);
+ }
+ if (fileObject == null) {
+ return nextBatchSize == batchLimit ? channel.writeAndFlush(bytes,
promise) : channel.write(bytes, promise);
} else {
- //let netty use its write batching ability
- return channel.write(bytes, promise);
+ channel.write(bytes);
Review comment:
Emm, i think we just need ChannelFuture of the last write(i.e. the file
transfer here)?
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