jugomezv commented on code in PR #10121: URL: https://github.com/apache/pinot/pull/10121#discussion_r1083153503
########## pinot-core/src/main/java/org/apache/pinot/core/data/manager/realtime/IngestionDelayTracker.java: ########## @@ -196,21 +202,28 @@ void setClock(Clock clock) { * Called by LLRealTimeSegmentDataManagers to post ingestion time updates to this tracker class. * * @param ingestionTimeMs ingestion time being recorded. + * @param creationTimeMs event creation time. * @param partitionGroupId partition ID for which this ingestion time is being recorded. */ - public void updateIngestionDelay(long ingestionTimeMs, int partitionGroupId) { + public void updateIngestionDelay(long ingestionTimeMs, long creationTimeMs, int partitionGroupId) { // Store new measure and wipe old one for this partition - // TODO: see if we can install gauges after the server is ready. if (!_isServerReadyToServeQueries.get()) { // Do not update the ingestion delay metrics during server startup period return; } - Long previousMeasure = _partitionToIngestionTimeMsMap.put(partitionGroupId, - ingestionTimeMs); + IngestionTimestamps previousMeasure = _partitionToIngestionTimestampsMap.put(partitionGroupId, + new IngestionTimestamps(ingestionTimeMs, creationTimeMs)); if (previousMeasure == null) { // First time we start tracking a partition we should start tracking it via metric _serverMetrics.setOrUpdatePartitionGauge(_metricName, partitionGroupId, ServerGauge.REALTIME_INGESTION_DELAY_MS, () -> getPartitionIngestionDelayMs(partitionGroupId)); + if (creationTimeMs != Long.MIN_VALUE) { Review Comment: Well two trackers running timers thread in parallel will trigger double of reads and then we have all duplicated infrastructure, with this approach we have much less code and little or no overhead when you don't have that time stamp. I think the new comments should make clear what this new time stamp is and if not please add some direction on what you think may be missing. Referring to commit 9bb0befe9a55c01bb3a5066a4b30137469819f38 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org