Yunyung commented on code in PR #20040:
URL: https://github.com/apache/kafka/pull/20040#discussion_r2173285324
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coordinator-common/src/main/java/org/apache/kafka/coordinator/common/runtime/CoordinatorRuntime.java:
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@@ -859,7 +866,7 @@ private void maybeAllocateNewBatch(
LogConfig logConfig = partitionWriter.config(tp);
int maxBatchSize = logConfig.maxMessageSize();
long prevLastWrittenOffset = coordinator.lastWrittenOffset();
- ByteBuffer buffer = bufferSupplier.get(maxBatchSize);
+ ByteBuffer buffer = bufferSupplier.get(min(MIN_BUFFER_SIZE,
maxBatchSize));
Review Comment:
If so, we allow users to assign maxBatchSize smaller than `MIN_BUFFER_SIZE`.
`MIN_BUFFER_SIZE` variable name does not match its semantics. Maybe rename it
to "INITIAL_BUFFER_SIZE" or something similar.
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