cmccabe commented on code in PR #13108:
URL: https://github.com/apache/kafka/pull/13108#discussion_r1068983515
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metadata/src/main/java/org/apache/kafka/image/MetadataProvenance.java:
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@@ -28,30 +29,30 @@
public final class MetadataProvenance {
public static final MetadataProvenance EMPTY = new MetadataProvenance(-1L,
-1, -1L);
- private final long offset;
- private final int epoch;
+ private final long lastContainedOffset;
+ private final int lastContainedEpoch;
private final long lastContainedLogTimeMs;
public MetadataProvenance(
- long offset,
- int epoch,
+ long lastContainedOffset,
+ int lastContainedEpoch,
long lastContainedLogTimeMs
) {
- this.offset = offset;
- this.epoch = epoch;
+ this.lastContainedOffset = lastContainedOffset;
+ this.lastContainedEpoch = lastContainedEpoch;
this.lastContainedLogTimeMs = lastContainedLogTimeMs;
}
- public OffsetAndEpoch offsetAndEpoch() {
- return new OffsetAndEpoch(offset, epoch);
+ public OffsetAndEpoch snapshotId() {
+ return new OffsetAndEpoch(lastContainedOffset + 1, lastContainedEpoch);
Review Comment:
Can you add a comment about how the snapshot ID contains an offset one
greater than the last contained offset? It could otherwise be easy to miss.
Probably include a reference to this JIRA as well.
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