abdullah alamoudi has submitted this change and it was merged.

Change subject: Stop Network Output Channel Sending Extra Bytes
......................................................................


Stop Network Output Channel Sending Extra Bytes

This change re-introduce an optimization to the output channel
which ensures sending of data bytes only. This optimization
was broken when the big object change was introduced.

Change-Id: I896daf80deb23bcae5d5e934565cf5493ed828ba
Reviewed-on: https://asterix-gerrit.ics.uci.edu/581
Reviewed-by: Murtadha Hubail <[email protected]>
Tested-by: Jenkins <[email protected]>
---
M 
hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/NetworkOutputChannel.java
1 file changed, 8 insertions(+), 7 deletions(-)

Approvals:
  Murtadha Hubail: Looks good to me, approved
  Jenkins: Verified



diff --git 
a/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/NetworkOutputChannel.java
 
b/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/NetworkOutputChannel.java
index 84307c2..ed4279d 100644
--- 
a/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/NetworkOutputChannel.java
+++ 
b/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/NetworkOutputChannel.java
@@ -58,8 +58,7 @@
     @Override
     public void nextFrame(ByteBuffer buffer) throws HyracksDataException {
         ByteBuffer destBuffer = null;
-        int startPos = 0;
-        do {
+        while (buffer.hasRemaining()) {
             synchronized (this) {
                 while (true) {
                     if (aborted) {
@@ -80,14 +79,16 @@
                     }
                 }
             }
-            buffer.position(startPos);
-            startPos = Math.min(startPos + destBuffer.capacity(), 
buffer.capacity());
-            buffer.limit(startPos);
             destBuffer.clear();
-            destBuffer.put(buffer);
+            if (destBuffer.capacity() < buffer.remaining()) {
+                destBuffer.put(buffer.array(), buffer.position(), 
destBuffer.capacity());
+                buffer.position(buffer.position() + destBuffer.capacity());
+            } else {
+                destBuffer.put(buffer);
+            }
             destBuffer.flip();
             ccb.getWriteInterface().getFullBufferAcceptor().accept(destBuffer);
-        } while (startPos < buffer.capacity());
+        }
     }
 
     @Override

-- 
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Gerrit-MessageType: merged
Gerrit-Change-Id: I896daf80deb23bcae5d5e934565cf5493ed828ba
Gerrit-PatchSet: 3
Gerrit-Project: hyracks
Gerrit-Branch: master
Gerrit-Owner: abdullah alamoudi <[email protected]>
Gerrit-Reviewer: Jenkins <[email protected]>
Gerrit-Reviewer: Murtadha Hubail <[email protected]>
Gerrit-Reviewer: abdullah alamoudi <[email protected]>

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