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src-kafka/core
David Mao
2c925e9f33
The LogAppendInfo class is a bit bloated in terms of class fields. That's because it is used as an umbrella class for both leader log appends and follower log appends and needs to carry fields for both. This makes the constructor for the class a bit cludgy to use. It also ends up being a bit confusing when fields are important and when they aren't. I noticed there were a few fields that didn't seem necessary. Below is a description of changes: firstOffset is a LogOffsetMetadata but there are no readers of the field that use anything but the messageOffset field - simplified to a long. LogAppendInfo.errorMessage is only set in one context - when calling LogAppendInfo.unknownLogAppendInfoWithAdditionalInfo. When we use this constructor, we pass up the original exception in LogAppendResult anyway, so the field is redundant with the LogAppendResult.exception field. This allows us to simplify the handling in KAFKA-15459: Convert coordinator retriable errors to a known producer response error #14378 since there are no custom error messages we just return whatever is in the exception message. We only use targetCompressionType when constructing the LogValidator - just inline the call instead of including it in the LogAppendInfo. offsetsMonotonic is only used when not assigning offsets to throw an exception - just throw the exception instead of setting a field to throw later. shallowCount is only there to determine whether there are any messages in the append. Instead, we can just check validBytes which is incremented with a non-zero value every time we increment shallowCount. Reviewers: Justine Olshan <jolshan@confluent.io> |
1 year ago | |
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.. | ||
src | KAFKA-15526: Simplify the LogAppendInfo class (#14470) | 1 year ago |
.gitignore |
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