Xushaohong commented on code in PR #4294:
URL: https://github.com/apache/ozone/pull/4294#discussion_r1174835684
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hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/utils/DBCheckpointMetrics.java:
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@@ -40,8 +40,10 @@ public class DBCheckpointMetrics {
// Metrics to track checkpoint statistics from last run.
private @Metric MutableGaugeLong lastCheckpointCreationTimeTaken;
private @Metric MutableGaugeLong lastCheckpointStreamingTimeTaken;
+ private @Metric MutableGaugeLong lastCheckpointStreamingNumSSTExcluded;
Review Comment:
@ChenSammi
1. This could be one dimension of data, providing precise info about the
snapshot process. Since the log file could be flushed, the metrics might be
collected and persisted.
2. For test purposes, it could be helpful instead of capturing log output.
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