ethqunzhong commented on code in PR #4384:
URL: https://github.com/apache/bookkeeper/pull/4384#discussion_r1636324625
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bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/GarbageCollectorThread.java:
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@@ -649,9 +666,11 @@ void doCompactEntryLogs(double threshold, long
maxTimeMillis) throws EntryLogMet
LOG.debug("Compaction ran for {}ms but was limited by {}ms",
timeDiff, maxTimeMillis);
}
}
- LOG.info(
- "Compaction: entry log usage buckets[10% 20% 30% 40% 50% 60%
70% 80% 90% 100%] = {}, compacted {}",
- entryLogUsageBuckets, compactedBuckets);
+ int totalEntryLogNum = Arrays.stream(entryLogUsageBuckets).sum();
+ int compactedEntryLogNum = Arrays.stream(compactedBuckets).sum();
+ this.entryLogCompactRatio = totalEntryLogNum == 0 ? 0 : (double)
compactedEntryLogNum / totalEntryLogNum;
Review Comment:
make sence. udpate new metrics `entry_log_usage_buckets_le_*` to expose the
whole bucket statistics.
The metrics are as follows
<img width="890" alt="image"
src="https://github.com/apache/bookkeeper/assets/16517186/74e7451c-855a-4d78-86b8-f8976fc0180c";>
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