gongxuanzhang commented on code in PR #20140:
URL: https://github.com/apache/kafka/pull/20140#discussion_r2197428759
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docs/implementation.html:
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@@ -59,11 +59,14 @@ <h4 class="anchor-heading"><a id="recordbatch"
class="anchor-link"></a><a href="
records: [Record]</code></pre>
<p> Note that when compression is enabled, the compressed record data is
serialized directly following the count of the number of records. </p>
+ <p>batchLength represents the number of bytes from the current position
(immediately after the batchLength field) to the end of the batch.
+ In other words, the total size of a record batch on disk is
batchLength + 12 bytes, which includes the 8-byte baseOffset and the 4-byte
batchLength field itself.</p>
Review Comment:
thanks for your comments
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