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Fixed unnecessary copy to heap, see https://github.com/apache/pulsar/pull/10330 #2701

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merged 3 commits into from
Apr 26, 2021
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Fixed unnecessary copy to heap, see https://github.com/apache/pulsar/pull/10330 #2701

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f105c7d
Fixed unnecessary copy to heap, see https://github.com/apache/pulsar/…
dlg99 Apr 23, 2021
c25668c
unwrap DuplicatedByteBuf and similar
dlg99 Apr 23, 2021
0975eed
added test
dlg99 Apr 23, 2021
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7 changes: 6 additions & 1 deletion bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/checksum/DigestManager.java
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@

import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.CompositeByteBuf;
import io.netty.buffer.Unpooled;

import java.security.GeneralSecurityException;
Expand Down Expand Up @@ -110,7 +111,11 @@ public ByteBufList computeDigestAndPackageForSending(long entryId, long lastAddC
headersBuffer.writeLong(length);

update(headersBuffer);
update(data);
if (data instanceof CompositeByteBuf) {
((CompositeByteBuf) data).forEach(this::update);
} else {
update(data);
}
populateValueAndReset(headersBuffer);

return ByteBufList.get(headersBuffer, data);
Expand Down
7 changes: 6 additions & 1 deletion bookkeeper-server/src/main/java/org/apache/bookkeeper/util/ByteBufList.java
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
import com.google.common.annotations.VisibleForTesting;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.CompositeByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandler.Sharable;
import io.netty.channel.ChannelHandlerContext;
Expand Down Expand Up @@ -136,7 +137,11 @@ private static ByteBufList get() {
* Append a {@link ByteBuf} at the end of this {@link ByteBufList}.
*/
public void add(ByteBuf buf) {
buffers.add(buf);
if (buf instanceof CompositeByteBuf) {
((CompositeByteBuf) buf).forEach(buffers::add);
} else {
buffers.add(buf);
}
}

/**
Expand Down