steffenvan commented on code in PR #1182:
URL: https://github.com/apache/jackrabbit-oak/pull/1182#discussion_r1386131023


##########
oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/importer/IndexImporter.java:
##########
@@ -465,19 +475,31 @@ interface IndexImporterStepExecutor {
     }
 
     void runWithRetry(int maxRetries, IndexImportState indexImportState, 
IndexImporterStepExecutor step) throws CommitFailedException, IOException {
+        String indexImportPhaseName = indexImportState == null ? "null" : 
indexImportState.toString();
         int count = 1;
         Stopwatch start = Stopwatch.createStarted();
         while (count <= maxRetries) {
-            LOG.info("IndexImporterStepExecutor:{}, count:{}", 
indexImportState, count);
-            LOG.info("[TASK:{}:START]", indexImportState);
+            LOG.info("IndexImporterStepExecutor:{}, count:{}", 
indexImportPhaseName, count);
+            LOG.info("[TASK:{}:START]", indexImportPhaseName);
             try {
                 step.execute();
-                LOG.info("[TASK:{}:END] Metrics: {}", indexImportState,
+                long durationSeconds = start.elapsed(TimeUnit.SECONDS);
+                LOG.info("[TASK:{}:END] Metrics: {}", indexImportPhaseName,
                         MetricsFormatter.newBuilder()
                                 .add("duration", 
FormattingUtils.formatToSeconds(start))
-                                .add("durationSeconds", 
start.elapsed(TimeUnit.SECONDS))
+                                .add("durationSeconds", durationSeconds)
                                 .build()
                 );
+
+                String name = "oak_indexer_import_" + 
indexImportPhaseName.toLowerCase() + "_duration_seconds";
+                CounterStats metric = statisticsProvider.getCounterStats(name, 
StatsOptions.METRICS_ONLY);
+                LOG.debug("Adding metric: {} {}", name, durationSeconds);

Review Comment:
   In `MetricUtils.java` I see the same logic of resetting the counter if it's 
not 0. Could be refactored to one function. 



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