gortiz commented on code in PR #15991:
URL: https://github.com/apache/pinot/pull/15991#discussion_r2128081588
##########
pinot-common/src/main/java/org/apache/pinot/common/datablock/ZeroCopyDataBlockSerde.java:
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@@ -201,10 +201,10 @@ public DataBlock deserialize(DataBuffer buffer, long
offset, DataBlock.Type type
bufferView(buffer, header._variableSizeDataStart + offset,
header._variableSizeDataLength));
case METADATA: {
Map<Integer, String> exceptions = deserializeExceptions(stream,
header);
+ List<DataBuffer> metadata = deserializeMetadata(buffer, header);
Review Comment:
Sometimes it does. In cases where a worker sends to more than one downstream
worker, only one worker will receive the metadata (aka stats).
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