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[GitHub] [pinot] jtao15 opened a new pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

jtao15 opened a new pull request #7827:
URL: https://github.com/apache/pinot/pull/7827


   Use valid bucket end time instead of segment end time for merge/rollup delay metrics. This handles the corner case that the metric take the segments which are not ready to merge into consideration.


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[GitHub] [pinot] snleee commented on a change in pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

Posted by GitBox <gi...@apache.org>.
snleee commented on a change in pull request #7827:
URL: https://github.com/apache/pinot/pull/7827#discussion_r759729786



##########
File path: pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/mergerollup/MergeRollupTaskGenerator.java
##########
@@ -439,6 +439,18 @@ private boolean validate(TableConfig tableConfig, String taskType) {
     return true;
   }
 
+  /**
+   * Get the max valid merge bucket end time for the segment, LONG.MIN_VALUE if the segment is not ready to merge
+   */
+  private long getMaxValidBucketEndTimeMsForSegment(SegmentZKMetadata segmentZKMetadata, long bucketMs, long bufferMs) {
+    if (segmentZKMetadata.getStartTimeMs() / bucketMs * bucketMs + bucketMs > System.currentTimeMillis() - bufferMs) {

Review comment:
       I see. In that case, let's add the comment that our task scheduler uses `startTime` based window computation when deciding a segment is valid for merge.




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[GitHub] [pinot] codecov-commenter commented on pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

Posted by GitBox <gi...@apache.org>.
codecov-commenter commented on pull request #7827:
URL: https://github.com/apache/pinot/pull/7827#issuecomment-978182588


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[GitHub] [pinot] jtao15 commented on a change in pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

Posted by GitBox <gi...@apache.org>.
jtao15 commented on a change in pull request #7827:
URL: https://github.com/apache/pinot/pull/7827#discussion_r758681392



##########
File path: pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/mergerollup/MergeRollupTaskGenerator.java
##########
@@ -439,6 +439,18 @@ private boolean validate(TableConfig tableConfig, String taskType) {
     return true;
   }
 
+  /**
+   * Get the max valid merge bucket end time for the segment, LONG.MIN_VALUE if the segment is not ready to merge
+   */
+  private long getMaxValidBucketEndTimeMsForSegment(SegmentZKMetadata segmentZKMetadata, long bucketMs, long bufferMs) {
+    if (segmentZKMetadata.getStartTimeMs() / bucketMs * bucketMs + bucketMs > System.currentTimeMillis() - bufferMs) {

Review comment:
       We need the `startTimeMs` here because as long as the `first bucket <= now - bufferMs`, it's ready to merge. These two values can be different. Say we have a segment [10/1, 10/3], the first bucketEndTime (`segmentZKMetadata.getStartTimeMs() / bucketMs * bucketMs + bucketMs`) will be `10/2 00:00`, the last bucketEndTime (`(segmentZKMetadata.getEndTimeMs() / bucketMs + 1) * bucketMs`) will be `10/4 00:00`. If `now - bufferMs` = `10/2 00:00`, the segment is ready to merge. For this segment the algorithm will use `10/2 00:00` to calculate the delay metrics.




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[GitHub] [pinot] codecov-commenter edited a comment on pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

Posted by GitBox <gi...@apache.org>.
codecov-commenter edited a comment on pull request #7827:
URL: https://github.com/apache/pinot/pull/7827#issuecomment-978182588


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     Branches      11814    11814               
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   | [...java/org/apache/pinot/common/utils/StringUtil.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtY29tbW9uL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9waW5vdC9jb21tb24vdXRpbHMvU3RyaW5nVXRpbC5qYXZh) | `0.00% <0.00%> (-100.00%)` | :arrow_down: |
   | ... and [1054 more](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation) | |
   
   ------
   
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   > Powered by [Codecov](https://codecov.io/gh/apache/pinot/pull/7827?src=pr&el=footer&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation). Last update [fc3de45...506d136](https://codecov.io/gh/apache/pinot/pull/7827?src=pr&el=lastupdated&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation).
   


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[GitHub] [pinot] codecov-commenter edited a comment on pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

Posted by GitBox <gi...@apache.org>.
codecov-commenter edited a comment on pull request #7827:
URL: https://github.com/apache/pinot/pull/7827#issuecomment-978182588


   # [Codecov](https://codecov.io/gh/apache/pinot/pull/7827?src=pr&el=h1&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation) Report
   > Merging [#7827](https://codecov.io/gh/apache/pinot/pull/7827?src=pr&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation) (b4e1006) into [master](https://codecov.io/gh/apache/pinot/commit/1e25962ed807ec914e76d7726a321efc956e0352?el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation) (1e25962) will **decrease** coverage by `6.47%`.
   > The diff coverage is `92.30%`.
   
   > :exclamation: Current head b4e1006 differs from pull request most recent head f4f8a62. Consider uploading reports for the commit f4f8a62 to get more accurate results
   [![Impacted file tree graph](https://codecov.io/gh/apache/pinot/pull/7827/graphs/tree.svg?width=650&height=150&src=pr&token=4ibza2ugkz&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation)](https://codecov.io/gh/apache/pinot/pull/7827?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation)
   
   ```diff
   @@             Coverage Diff              @@
   ##             master    #7827      +/-   ##
   ============================================
   - Coverage     71.67%   65.20%   -6.48%     
   + Complexity     4089     4086       -3     
   ============================================
     Files          1579     1534      -45     
     Lines         80843    78979    -1864     
     Branches      12010    11807     -203     
   ============================================
   - Hits          57944    51496    -6448     
   - Misses        18995    23813    +4818     
   + Partials       3904     3670     -234     
   ```
   
   | Flag | Coverage Δ | |
   |---|---|---|
   | integration1 | `?` | |
   | integration2 | `?` | |
   | unittests1 | `68.66% <ø> (+<0.01%)` | :arrow_up: |
   | unittests2 | `14.62% <92.30%> (-0.05%)` | :arrow_down: |
   
   Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#carryforward-flags-in-the-pull-request-comment) to find out more.
   
   | [Impacted Files](https://codecov.io/gh/apache/pinot/pull/7827?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation) | Coverage Δ | |
   |---|---|---|
   | [...on/tasks/mergerollup/MergeRollupTaskGenerator.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtcGx1Z2lucy9waW5vdC1taW5pb24tdGFza3MvcGlub3QtbWluaW9uLWJ1aWx0aW4tdGFza3Mvc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL3Bpbm90L3BsdWdpbi9taW5pb24vdGFza3MvbWVyZ2Vyb2xsdXAvTWVyZ2VSb2xsdXBUYXNrR2VuZXJhdG9yLmphdmE=) | `75.79% <92.30%> (-9.92%)` | :arrow_down: |
   | [...a/org/apache/pinot/common/metrics/MinionMeter.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtY29tbW9uL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9waW5vdC9jb21tb24vbWV0cmljcy9NaW5pb25NZXRlci5qYXZh) | `0.00% <0.00%> (-100.00%)` | :arrow_down: |
   | [...g/apache/pinot/common/metrics/ControllerMeter.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtY29tbW9uL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9waW5vdC9jb21tb24vbWV0cmljcy9Db250cm9sbGVyTWV0ZXIuamF2YQ==) | `0.00% <0.00%> (-100.00%)` | :arrow_down: |
   | [.../apache/pinot/common/metrics/BrokerQueryPhase.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtY29tbW9uL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9waW5vdC9jb21tb24vbWV0cmljcy9Ccm9rZXJRdWVyeVBoYXNlLmphdmE=) | `0.00% <0.00%> (-100.00%)` | :arrow_down: |
   | [.../apache/pinot/common/metrics/MinionQueryPhase.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtY29tbW9uL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9waW5vdC9jb21tb24vbWV0cmljcy9NaW5pb25RdWVyeVBoYXNlLmphdmE=) | `0.00% <0.00%> (-100.00%)` | :arrow_down: |
   | [...he/pinot/common/messages/SegmentReloadMessage.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtY29tbW9uL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9waW5vdC9jb21tb24vbWVzc2FnZXMvU2VnbWVudFJlbG9hZE1lc3NhZ2UuamF2YQ==) | `0.00% <0.00%> (-100.00%)` | :arrow_down: |
   | [...pinot/core/data/manager/realtime/TimerService.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtY29yZS9zcmMvbWFpbi9qYXZhL29yZy9hcGFjaGUvcGlub3QvY29yZS9kYXRhL21hbmFnZXIvcmVhbHRpbWUvVGltZXJTZXJ2aWNlLmphdmE=) | `0.00% <0.00%> (-100.00%)` | :arrow_down: |
   | [...pinot/minion/exception/TaskCancelledException.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtbWluaW9uL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9waW5vdC9taW5pb24vZXhjZXB0aW9uL1Rhc2tDYW5jZWxsZWRFeGNlcHRpb24uamF2YQ==) | `0.00% <0.00%> (-100.00%)` | :arrow_down: |
   | [...not/common/exception/HttpErrorStatusException.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtY29tbW9uL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9waW5vdC9jb21tb24vZXhjZXB0aW9uL0h0dHBFcnJvclN0YXR1c0V4Y2VwdGlvbi5qYXZh) | `0.00% <0.00%> (-100.00%)` | :arrow_down: |
   | [...t/core/startree/plan/StarTreeDocIdSetPlanNode.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtY29yZS9zcmMvbWFpbi9qYXZhL29yZy9hcGFjaGUvcGlub3QvY29yZS9zdGFydHJlZS9wbGFuL1N0YXJUcmVlRG9jSWRTZXRQbGFuTm9kZS5qYXZh) | `0.00% <0.00%> (-100.00%)` | :arrow_down: |
   | ... and [359 more](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation) | |
   
   ------
   
   [Continue to review full report at Codecov](https://codecov.io/gh/apache/pinot/pull/7827?src=pr&el=continue&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation).
   > **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation)
   > `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
   > Powered by [Codecov](https://codecov.io/gh/apache/pinot/pull/7827?src=pr&el=footer&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation). Last update [1e25962...f4f8a62](https://codecov.io/gh/apache/pinot/pull/7827?src=pr&el=lastupdated&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation).
   


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[GitHub] [pinot] snleee commented on a change in pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

Posted by GitBox <gi...@apache.org>.
snleee commented on a change in pull request #7827:
URL: https://github.com/apache/pinot/pull/7827#discussion_r759733863



##########
File path: pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/mergerollup/MergeRollupTaskGenerator.java
##########
@@ -439,6 +437,25 @@ private boolean validate(TableConfig tableConfig, String taskType) {
     return true;
   }
 
+  /**
+   * Get the max valid merge bucket end time for the segment, LONG.MIN_VALUE if the segment is not ready to merge

Review comment:
       Let's add more information on what we are exactly computing. We need to return the valid bucket end time **before** the  time buffer (current time - time buffer)

##########
File path: pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/mergerollup/MergeRollupTaskGenerator.java
##########
@@ -439,6 +437,25 @@ private boolean validate(TableConfig tableConfig, String taskType) {
     return true;
   }
 
+  /**
+   * Get the max valid merge bucket end time for the segment, LONG.MIN_VALUE if the segment is not ready to merge
+   */
+  private long getMaxValidBucketEndTimeMsForSegment(SegmentZKMetadata segmentZKMetadata, long bucketMs, long bufferMs) {

Review comment:
       As discussed offline, I think that it's better to name this function to be `getValidBucketEndTimeMsForSegment`




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[GitHub] [pinot] jtao15 commented on a change in pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

Posted by GitBox <gi...@apache.org>.
jtao15 commented on a change in pull request #7827:
URL: https://github.com/apache/pinot/pull/7827#discussion_r758685802



##########
File path: pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/mergerollup/MergeRollupTaskGenerator.java
##########
@@ -439,6 +439,18 @@ private boolean validate(TableConfig tableConfig, String taskType) {
     return true;
   }
 
+  /**
+   * Get the max valid merge bucket end time for the segment, LONG.MIN_VALUE if the segment is not ready to merge
+   */
+  private long getMaxValidBucketEndTimeMsForSegment(SegmentZKMetadata segmentZKMetadata, long bucketMs, long bufferMs) {
+    if (segmentZKMetadata.getStartTimeMs() / bucketMs * bucketMs + bucketMs > System.currentTimeMillis() - bufferMs) {

Review comment:
       Separated out into 2 lines.




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[GitHub] [pinot] jtao15 commented on a change in pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

Posted by GitBox <gi...@apache.org>.
jtao15 commented on a change in pull request #7827:
URL: https://github.com/apache/pinot/pull/7827#discussion_r759754875



##########
File path: pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/mergerollup/MergeRollupTaskGenerator.java
##########
@@ -439,6 +437,25 @@ private boolean validate(TableConfig tableConfig, String taskType) {
     return true;
   }
 
+  /**
+   * Get the max valid merge bucket end time for the segment, LONG.MIN_VALUE if the segment is not ready to merge

Review comment:
       Updated the comment.




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[GitHub] [pinot] codecov-commenter edited a comment on pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

Posted by GitBox <gi...@apache.org>.
codecov-commenter edited a comment on pull request #7827:
URL: https://github.com/apache/pinot/pull/7827#issuecomment-978182588


   # [Codecov](https://codecov.io/gh/apache/pinot/pull/7827?src=pr&el=h1&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation) Report
   > Merging [#7827](https://codecov.io/gh/apache/pinot/pull/7827?src=pr&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation) (e1c090d) into [master](https://codecov.io/gh/apache/pinot/commit/1e25962ed807ec914e76d7726a321efc956e0352?el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation) (1e25962) will **decrease** coverage by `1.14%`.
   > The diff coverage is `90.90%`.
   
   [![Impacted file tree graph](https://codecov.io/gh/apache/pinot/pull/7827/graphs/tree.svg?width=650&height=150&src=pr&token=4ibza2ugkz&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation)](https://codecov.io/gh/apache/pinot/pull/7827?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation)
   
   ```diff
   @@             Coverage Diff              @@
   ##             master    #7827      +/-   ##
   ============================================
   - Coverage     71.67%   70.53%   -1.15%     
   + Complexity     4089     4086       -3     
   ============================================
     Files          1579     1579              
     Lines         80843    80847       +4     
     Branches      12010    12009       -1     
   ============================================
   - Hits          57944    57025     -919     
   - Misses        18995    19936     +941     
   + Partials       3904     3886      -18     
   ```
   
   | Flag | Coverage Δ | |
   |---|---|---|
   | integration1 | `?` | |
   | integration2 | `28.01% <0.00%> (-0.03%)` | :arrow_down: |
   | unittests1 | `68.71% <ø> (+0.04%)` | :arrow_up: |
   | unittests2 | `14.59% <90.90%> (-0.08%)` | :arrow_down: |
   
   Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#carryforward-flags-in-the-pull-request-comment) to find out more.
   
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   |---|---|---|
   | [...on/tasks/mergerollup/MergeRollupTaskGenerator.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtcGx1Z2lucy9waW5vdC1taW5pb24tdGFza3MvcGlub3QtbWluaW9uLWJ1aWx0aW4tdGFza3Mvc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL3Bpbm90L3BsdWdpbi9taW5pb24vdGFza3MvbWVyZ2Vyb2xsdXAvTWVyZ2VSb2xsdXBUYXNrR2VuZXJhdG9yLmphdmE=) | `75.64% <90.90%> (-10.08%)` | :arrow_down: |
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   | [...nverttorawindex/ConvertToRawIndexTaskExecutor.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtcGx1Z2lucy9waW5vdC1taW5pb24tdGFza3MvcGlub3QtbWluaW9uLWJ1aWx0aW4tdGFza3Mvc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL3Bpbm90L3BsdWdpbi9taW5pb24vdGFza3MvY29udmVydHRvcmF3aW5kZXgvQ29udmVydFRvUmF3SW5kZXhUYXNrRXhlY3V0b3IuamF2YQ==) | `0.00% <0.00%> (-100.00%)` | :arrow_down: |
   | [...e/pinot/common/minion/MergeRollupTaskMetadata.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtY29tbW9uL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9waW5vdC9jb21tb24vbWluaW9uL01lcmdlUm9sbHVwVGFza01ldGFkYXRhLmphdmE=) | `0.00% <0.00%> (-94.74%)` | :arrow_down: |
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[GitHub] [pinot] codecov-commenter edited a comment on pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

Posted by GitBox <gi...@apache.org>.
codecov-commenter edited a comment on pull request #7827:
URL: https://github.com/apache/pinot/pull/7827#issuecomment-978182588


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   > Merging [#7827](https://codecov.io/gh/apache/pinot/pull/7827?src=pr&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation) (8950bb1) into [master](https://codecov.io/gh/apache/pinot/commit/90f58815f145ac982add9be89f6a2ff862739e90?el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation) (90f5881) will **decrease** coverage by `6.46%`.
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   @@             Coverage Diff              @@
   ##             master    #7827      +/-   ##
   ============================================
   - Coverage     71.66%   65.20%   -6.47%     
   + Complexity     4089     4085       -4     
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     Files          1579     1534      -45     
     Lines         80832    78967    -1865     
     Branches      12010    11807     -203     
   ============================================
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   - Misses        19001    23807    +4806     
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   ```
   
   | Flag | Coverage Δ | |
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   | integration1 | `?` | |
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   | [...on/tasks/mergerollup/MergeRollupTaskGenerator.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtcGx1Z2lucy9waW5vdC1taW5pb24tdGFza3MvcGlub3QtbWluaW9uLWJ1aWx0aW4tdGFza3Mvc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL3Bpbm90L3BsdWdpbi9taW5pb24vdGFza3MvbWVyZ2Vyb2xsdXAvTWVyZ2VSb2xsdXBUYXNrR2VuZXJhdG9yLmphdmE=) | `75.71% <91.66%> (-10.00%)` | :arrow_down: |
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   | [...g/apache/pinot/common/metrics/ControllerMeter.java](https://codecov.io/gh/apache/pinot/pull/7827/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation#diff-cGlub3QtY29tbW9uL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9waW5vdC9jb21tb24vbWV0cmljcy9Db250cm9sbGVyTWV0ZXIuamF2YQ==) | `0.00% <0.00%> (-100.00%)` | :arrow_down: |
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[GitHub] [pinot] jtao15 commented on a change in pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

Posted by GitBox <gi...@apache.org>.
jtao15 commented on a change in pull request #7827:
URL: https://github.com/apache/pinot/pull/7827#discussion_r758638441



##########
File path: pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/mergerollup/MergeRollupTaskGenerator.java
##########
@@ -439,6 +439,18 @@ private boolean validate(TableConfig tableConfig, String taskType) {
     return true;
   }
 
+  /**
+   * Get the max valid merge bucket end time for the segment, LONG.MIN_VALUE if the segment is not ready to merge
+   */
+  private long getMaxValidBucketEndTimeMsForSegment(SegmentZKMetadata segmentZKMetadata, long bucketMs, long bufferMs) {
+    if (segmentZKMetadata.getStartTimeMs() / bucketMs * bucketMs + bucketMs > System.currentTimeMillis() - bufferMs) {

Review comment:
       Thanks for reviewing, added some comments for the logic.




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[GitHub] [pinot] jtao15 commented on a change in pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

Posted by GitBox <gi...@apache.org>.
jtao15 commented on a change in pull request #7827:
URL: https://github.com/apache/pinot/pull/7827#discussion_r758685536



##########
File path: pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/mergerollup/MergeRollupTaskGenerator.java
##########
@@ -439,6 +437,23 @@ private boolean validate(TableConfig tableConfig, String taskType) {
     return true;
   }
 
+  /**
+   * Get the max valid merge bucket end time for the segment, LONG.MIN_VALUE if the segment is not ready to merge
+   */
+  private long getMaxValidBucketEndTimeMsForSegment(SegmentZKMetadata segmentZKMetadata, long bucketMs, long bufferMs) {
+    // Make sure the segment is ready to merge (the first bucket <= now - bufferTime)
+    if (segmentZKMetadata.getStartTimeMs() / bucketMs * bucketMs + bucketMs > System.currentTimeMillis() - bufferMs) {
+      return Long.MIN_VALUE;
+    }
+    // The max bucketEndTime is calculated as the min(segment end time, now - bufferTime) rounded to the bucket
+    // boundary. Notice bucketEndTime is exclusive while segment end time is inclusive.
+    // E.g. if bucketTime = 1d, the rounded segment end time of [10/1 00:00, 10/1 23:59] is 10/2 00:00
+    // The rounded segment end time of [10/1 00:00, 10/2 00:00] is 10/3 00:00
+    long maxBucketEndTimeMs = (segmentZKMetadata.getEndTimeMs() / bucketMs + 1) * bucketMs;
+    maxBucketEndTimeMs = Math.min(maxBucketEndTimeMs, (System.currentTimeMillis() - bufferMs) / bucketMs * bucketMs);

Review comment:
       Updated.




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[GitHub] [pinot] snleee commented on a change in pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

Posted by GitBox <gi...@apache.org>.
snleee commented on a change in pull request #7827:
URL: https://github.com/apache/pinot/pull/7827#discussion_r758668575



##########
File path: pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/mergerollup/MergeRollupTaskGenerator.java
##########
@@ -439,6 +439,18 @@ private boolean validate(TableConfig tableConfig, String taskType) {
     return true;
   }
 
+  /**
+   * Get the max valid merge bucket end time for the segment, LONG.MIN_VALUE if the segment is not ready to merge
+   */
+  private long getMaxValidBucketEndTimeMsForSegment(SegmentZKMetadata segmentZKMetadata, long bucketMs, long bufferMs) {
+    if (segmentZKMetadata.getStartTimeMs() / bucketMs * bucketMs + bucketMs > System.currentTimeMillis() - bufferMs) {

Review comment:
       I would separate out this into 2 lines for better readability.
   
   ```
   e.g.
   long bucketEndTimeForSegment = segmentZKMetadata.getStartTimeMs() / bucketMs * bucketMs + bucketMs
   if (bucketEndTimeForSegment > System.currentTimeMillis() - bufferMs()) {
     return Long.MIN_VALUE
   }
   ````
   
   
   By the way, why do we need to use `startTimeMs` here? 
   
   Things that we need to brainstorm: do we have a case where 
   `(segmentZKMetadata.getEndTimeMs() / bucketMs + 1)` is different from `segmentZKMetadata.getStartTimeMs() / bucketMs * bucketMs + bucketMs`?
   

##########
File path: pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/mergerollup/MergeRollupTaskGenerator.java
##########
@@ -439,6 +437,23 @@ private boolean validate(TableConfig tableConfig, String taskType) {
     return true;
   }
 
+  /**
+   * Get the max valid merge bucket end time for the segment, LONG.MIN_VALUE if the segment is not ready to merge
+   */
+  private long getMaxValidBucketEndTimeMsForSegment(SegmentZKMetadata segmentZKMetadata, long bucketMs, long bufferMs) {
+    // Make sure the segment is ready to merge (the first bucket <= now - bufferTime)
+    if (segmentZKMetadata.getStartTimeMs() / bucketMs * bucketMs + bucketMs > System.currentTimeMillis() - bufferMs) {
+      return Long.MIN_VALUE;
+    }
+    // The max bucketEndTime is calculated as the min(segment end time, now - bufferTime) rounded to the bucket
+    // boundary. Notice bucketEndTime is exclusive while segment end time is inclusive.
+    // E.g. if bucketTime = 1d, the rounded segment end time of [10/1 00:00, 10/1 23:59] is 10/2 00:00
+    // The rounded segment end time of [10/1 00:00, 10/2 00:00] is 10/3 00:00
+    long maxBucketEndTimeMs = (segmentZKMetadata.getEndTimeMs() / bucketMs + 1) * bucketMs;
+    maxBucketEndTimeMs = Math.min(maxBucketEndTimeMs, (System.currentTimeMillis() - bufferMs) / bucketMs * bucketMs);

Review comment:
       Please store the value for `System.currentTimeMillis()` once and reuse the same value throughout the function.




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[GitHub] [pinot] jackjlli commented on a change in pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

Posted by GitBox <gi...@apache.org>.
jackjlli commented on a change in pull request #7827:
URL: https://github.com/apache/pinot/pull/7827#discussion_r756603260



##########
File path: pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/mergerollup/MergeRollupTaskGenerator.java
##########
@@ -252,15 +252,15 @@ public String getTaskType() {
         long bucketEndMs = bucketStartMs + bucketMs;
         // Create delay metrics even if there's no task scheduled, this helps the case that the controller is restarted
         // but the metrics are not available until the controller schedules a valid task
-        long maxEndTimeMs = Long.MIN_VALUE;
+        long maxBucketEndTimeMs = Long.MIN_VALUE;
         for (SegmentZKMetadata preSelectedSegment : preSelectedSegments) {
-          long currentEndTimeMs = preSelectedSegment.getEndTimeMs();
-          // Compute maxEndTimeMs among segments that are valid for merge
-          if (currentEndTimeMs < System.currentTimeMillis() - bufferMs) {
-            maxEndTimeMs = Math.max(maxEndTimeMs, currentEndTimeMs);
+          // Compute maxBucketEndTimeMs among segments that are valid for merge
+          long currentMaxBucketEndTimeMs = getMaxValidBucketEndTimeMsForSegment(preSelectedSegment, bucketMs, bufferMs);
+          if (currentMaxBucketEndTimeMs != Long.MIN_VALUE) {

Review comment:
       This if block may not be needed.

##########
File path: pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/mergerollup/MergeRollupTaskGenerator.java
##########
@@ -439,6 +439,18 @@ private boolean validate(TableConfig tableConfig, String taskType) {
     return true;
   }
 
+  /**
+   * Get the max valid merge bucket end time for the segment, LONG.MIN_VALUE if the segment is not ready to merge
+   */
+  private long getMaxValidBucketEndTimeMsForSegment(SegmentZKMetadata segmentZKMetadata, long bucketMs, long bufferMs) {
+    if (segmentZKMetadata.getStartTimeMs() / bucketMs * bucketMs + bucketMs > System.currentTimeMillis() - bufferMs) {

Review comment:
       Could you add more description on how the max valid bucket end time is calculated?




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[GitHub] [pinot] snleee merged pull request #7827: Use valid bucket end time instead of segment end time for merge/rollup delay metrics

Posted by GitBox <gi...@apache.org>.
snleee merged pull request #7827:
URL: https://github.com/apache/pinot/pull/7827


   


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