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Posted to commits@asterixdb.apache.org by am...@apache.org on 2016/01/11 11:23:00 UTC

incubator-asterixdb-hyracks git commit: Stop Network Output Channel Sending Extra Bytes

Repository: incubator-asterixdb-hyracks
Updated Branches:
  refs/heads/master 45d1649c8 -> 384b38491


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 <hu...@gmail.com>
Tested-by: Jenkins <je...@fulliautomatix.ics.uci.edu>


Project: http://git-wip-us.apache.org/repos/asf/incubator-asterixdb-hyracks/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-asterixdb-hyracks/commit/384b3849
Tree: http://git-wip-us.apache.org/repos/asf/incubator-asterixdb-hyracks/tree/384b3849
Diff: http://git-wip-us.apache.org/repos/asf/incubator-asterixdb-hyracks/diff/384b3849

Branch: refs/heads/master
Commit: 384b38491be97fa3f73b03efba6dd101a742f17a
Parents: 45d1649
Author: Abdullah Alamoudi <ba...@gmail.com>
Authored: Mon Jan 11 08:57:47 2016 +0300
Committer: abdullah alamoudi <ba...@gmail.com>
Committed: Mon Jan 11 02:17:06 2016 -0800

----------------------------------------------------------------------
 .../hyracks/comm/channels/NetworkOutputChannel.java  | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-asterixdb-hyracks/blob/384b3849/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/NetworkOutputChannel.java
----------------------------------------------------------------------
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 @@ public class NetworkOutputChannel implements IFrameWriter {
     @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 @@ public class NetworkOutputChannel implements IFrameWriter {
                     }
                 }
             }
-            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