[lake/tiering] add bytes written tracking and metrics for tiering service#2933
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beryllw wants to merge 2 commits intoapache:mainfrom
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[lake/tiering] add bytes written tracking and metrics for tiering service#2933beryllw wants to merge 2 commits intoapache:mainfrom
beryllw wants to merge 2 commits intoapache:mainfrom
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beryllw
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...uss-flink-common/src/main/java/org/apache/fluss/flink/tiering/source/TieringSplitReader.java
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luoyuxia
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Mar 30, 2026
...e/fluss-lake-paimon/src/main/java/org/apache/fluss/lake/paimon/tiering/PaimonLakeWriter.java
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luoyuxia
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fluss-common/src/main/java/org/apache/fluss/lake/writer/LakeWriter.java
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fluss-common/src/main/java/org/apache/fluss/metrics/MetricNames.java
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| private final Counter writtenBytesCounter; | ||
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| public TieringMetrics(SourceReaderMetricGroup sourceReaderMetricGroup) { |
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so, this metrics is reported to flink metric, right? Is it same to flink cdc?
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Not quite the same. The tiering job keeps read and write in one operator (no shuffle), while Flink CDC introduces shuffle between the source and sink.
leonardBang
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...e/fluss-lake-paimon/src/main/java/org/apache/fluss/lake/paimon/tiering/PaimonLakeWriter.java
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...flink-common/src/main/java/org/apache/fluss/flink/tiering/source/metrics/TieringMetrics.java
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- Removed LakeWriter from test coverage exclusion list in pom.xml - Deleted testTotalBytesRead method from ScanRecordsTest class - Cleaned up redundant test cases for total bytes read functionality - Updated test suite to align with current code coverage requirements
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…jobs
Purpose
Linked issue: close #2932
Brief change log
Tests
API and Format
Documentation