vanzin commented on a change in pull request #23602:
[SPARK-26674][CORE]Consolidate CompositeByteBuf when reading large frame
URL: https://github.com/apache/spark/pull/23602#discussion_r255276592
##########
File path:
common/network-common/src/main/java/org/apache/spark/network/util/TransportFrameDecoder.java
##########
@@ -48,14 +49,29 @@
private static final int LENGTH_SIZE = 8;
private static final int MAX_FRAME_SIZE = Integer.MAX_VALUE;
private static final int UNKNOWN_FRAME_SIZE = -1;
+ private static final long DEFAULT_CONSOLIDATE_FRAME_BUFS_DELTA_THRESHOLD =
20 * 1024 * 1024;
private final LinkedList<ByteBuf> buffers = new LinkedList<>();
private final ByteBuf frameLenBuf = Unpooled.buffer(LENGTH_SIZE,
LENGTH_SIZE);
+ private CompositeByteBuf frameBuf = null;
+ private long consolidateFrameBufsDeltaThreshold;
+ private long consolidatedFrameBufSize = 0;
+ private int consolidatedNumComponents = 0;
private long totalSize = 0;
private long nextFrameSize = UNKNOWN_FRAME_SIZE;
+ private int frameRemainingBytes = UNKNOWN_FRAME_SIZE;
private volatile Interceptor interceptor;
+ public TransportFrameDecoder() {
Review comment:
I though you were going to make this configurable. Where are you reading the
value from the configuration?
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