xiefan46 removed a comment on issue #1301: Samza-2478: Add new metrics to track key and value size of records written to RocksDb URL: https://github.com/apache/samza/pull/1301#issuecomment-595943041 **Feature:** Add new metrics to track key and value size of records written to RocksDb **Changes:** Add two SamzaHistogram metrics **recordKeySizeBytes** and **recordValueSizeBytes** in **SerializedKeyValueStoreMetrics** class **Tests:** Added a unit test call **TestKeyValueSizeHistogramMetric** to verify that those metrics are written to SamzaHistogram correctly and can be access by MetricVisitor. **API Changes:** None **Upgrade instructions:** None **Usage instructions:** Every time a record is written to KeyValue store via SerializedKeyValueStore, its size will be recorded in those histograms. A metrics reporter can use MetricVisitor to get access to this two metrics.
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