franz1981 commented on a change in pull request #2522: ARTEMIS-2239 Zero-copy NIO/MAPPED TimedBuffer URL: https://github.com/apache/activemq-artemis/pull/2522#discussion_r251014507
########## File path: artemis-journal/src/main/java/org/apache/activemq/artemis/core/io/buffer/TimedBuffer.java ########## @@ -358,13 +358,7 @@ public boolean flushBatch() { bytesFlushed.addAndGet(pos); } - final ByteBuffer bufferToFlush = bufferObserver.newBuffer(bufferSize, pos); - //bufferObserver::newBuffer doesn't necessary return a buffer with limit == pos or limit == bufferSize!! - bufferToFlush.limit(pos); - //perform memcpy under the hood due to the off heap buffer - buffer.getBytes(0, bufferToFlush); - - bufferObserver.flushBuffer(bufferToFlush, pendingSync, callbacks); + bufferObserver.flushBuffer(buffer.byteBuf(), pendingSync, callbacks); Review comment: > What happens to Mapped It will use another wrapper I've written some time ago, because `MappedSequentialFile` isn't a child of 'AbstractSequentialFile`, here: https://github.com/apache/activemq-artemis/pull/2522/files#diff-6707e3363162061f97af51ef7f8d13a4R256 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services