[GitHub] [pulsar] HQebupt commented on a diff in pull request #17663: [fix][client]Fix Producer exceeds PulsarClient memory limit when sending fail timeout using CompressionType.NONE

[GitBox <gi...@apache.org>]

HQebupt commented on code in PR #17663:
URL: https://github.com/apache/pulsar/pull/17663#discussion_r971766275


##########
pulsar-common/src/main/java/org/apache/pulsar/common/compression/CompressionCodecNone.java:
##########
@@ -28,8 +29,15 @@ public class CompressionCodecNone implements CompressionCodec {
 
     @Override
     public ByteBuf encode(ByteBuf raw) {
-        // Provides an encoder that simply returns the same uncompressed buffer
-        return raw.retain();
+        int readableBytes = raw.readableBytes();
+        if (readableBytes == raw.capacity()) {
+            return raw.retain();
+        }
+        raw.markReaderIndex();
+        ByteBuf target = PulsarByteBufAllocator.DEFAULT.buffer(readableBytes, readableBytes);
+        target.writeBytes(raw);
+        raw.resetReaderIndex();
+        return target;
     }

Review Comment:
   LGTM



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