Ismael Juma created KAFKA-5032:
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Summary: Think through implications of max.message.size affecting
record batches in message format V2
Key: KAFKA-5032
URL: https://issues.apache.org/jira/browse/KAFKA-5032
Project: Kafka
Issue Type: Sub-task
Reporter: Ismael Juma
Priority: Critical
Fix For: 0.11.0.0
It's worth noting that the new behaviour for uncompressed messages is the same
as the existing behaviour for compressed messages.
A few things to think about:
1. Do the producer settings max.request.size and batch.size still make sense
and do we need to update the documentation? My conclusion is that things are
still fine, but we may need to revise the docs.
2. Consider changing default max message set size to include record batch
overhead. This is currently defined as:
{code}
val MessageMaxBytes = 1000000 + MessageSet.LogOverhead
{code}
We should consider changing it to (I haven't thought it through though):
{code}
val MessageMaxBytes = 1000000 + DefaultRecordBatch.RECORD_BATCH_OVERHEAD
{code}
3. When a record batch is too large, we throw RecordTooLargeException, which is
confusing because there's also a RecordBatchTooLargeException. We should
consider renaming these exceptions to make the behaviour clearer.
4. We should consider deprecating max.message.bytes (server config) and
message.max.bytes (topic config) in favour of configs that make it clear that
we are talking about record batches instead of individual messages.
Part of the work in this JIRA is working out what should be done for 0.11.0.0
and what can be done later.
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