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[GitHub] [incubator-kyuubi] zhaomin1423 opened a new pull request, #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

zhaomin1423 opened a new pull request, #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421

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   add engine stop event;
   fix initialized event partition;
   
   ### _How was this patch tested?_
   - [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible
   
   - [ ] Add screenshots for manual tests if appropriate
   
   - [ ] [Run test](https://kyuubi.apache.org/docs/latest/develop_tools/testing.html#running-tests) locally before make a pull request
   


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[GitHub] [incubator-kyuubi] ulysses-you commented on a diff in pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
ulysses-you commented on code in PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#discussion_r860508011


##########
externals/kyuubi-hive-sql-engine/src/main/scala/org/apache/kyuubi/engine/hive/events/HiveEngineEvent.scala:
##########
@@ -30,8 +30,14 @@ case class HiveEngineEvent(
     diagnostic: String,
     settings: Map[String, String]) extends KyuubiEvent {
 
-  override def partitions: Seq[(String, String)] =
-    ("day", Utils.getDateFromTimestamp(startTime)) :: Nil
+  override def partitions: Seq[(String, String)] = {
+    // before engine is started, the start time is 0L, the partition use current day.
+    if (startTime == 0) {

Review Comment:
   In hive engine we can simplify to use this startTime, so any event can hold the same start time.



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[GitHub] [incubator-kyuubi] zhaomin1423 commented on pull request #2421: [draft][KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
zhaomin1423 commented on PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#issuecomment-1103458218

   https://github.com/apache/incubator-kyuubi/pull/2412/files
   The engine.stop do't be used. The engine state is not changed to STOPPED.


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[GitHub] [incubator-kyuubi] ulysses-you closed pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
ulysses-you closed pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event
URL: https://github.com/apache/incubator-kyuubi/pull/2421


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[GitHub] [incubator-kyuubi] zhaomin1423 commented on a diff in pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
zhaomin1423 commented on code in PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#discussion_r860485360


##########
externals/kyuubi-hive-sql-engine/src/main/scala/org/apache/kyuubi/engine/hive/events/HiveEngineEvent.scala:
##########
@@ -30,8 +30,14 @@ case class HiveEngineEvent(
     diagnostic: String,
     settings: Map[String, String]) extends KyuubiEvent {
 
-  override def partitions: Seq[(String, String)] =
-    ("day", Utils.getDateFromTimestamp(startTime)) :: Nil
+  override def partitions: Seq[(String, String)] = {
+    // before engine is started, the start time is 0L, the partition use current day.
+    if (startTime == 0) {

Review Comment:
   Spark engine post an initialized event, its start time is start time of sparkContext
   
   https://github.com/apache/incubator-kyuubi/blob/93f13ef662f497a0e02281cf09cbf8cd0d8577fd/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/SparkSQLEngine.scala#L203
   



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[GitHub] [incubator-kyuubi] ulysses-you commented on pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
ulysses-you commented on PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#issuecomment-1112951530

   thanks, merging to master


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[GitHub] [incubator-kyuubi] ulysses-you commented on a diff in pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
ulysses-you commented on code in PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#discussion_r855700297


##########
externals/kyuubi-hive-sql-engine/src/main/scala/org/apache/kyuubi/engine/hive/HiveSQLEngine.scala:
##########
@@ -100,6 +100,9 @@ object HiveSQLEngine extends Logging {
     EventBus.post(event)
     Utils.addShutdownHook(() => {
       engine.getServices.foreach(_.stop())
+      val event = HiveEngineEvent(engine)
+        .copy(state = ServiceState.STOPPED, endTime = System.currentTimeMillis())
+      EventBus.post(event)

Review Comment:
   it's unreliable to do some io work in shutdown hook, can we do this in `stopServer` ?



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[GitHub] [incubator-kyuubi] ulysses-you commented on a diff in pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
ulysses-you commented on code in PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#discussion_r860496194


##########
externals/kyuubi-hive-sql-engine/src/main/scala/org/apache/kyuubi/engine/hive/events/HiveEngineEvent.scala:
##########
@@ -30,8 +30,14 @@ case class HiveEngineEvent(
     diagnostic: String,
     settings: Map[String, String]) extends KyuubiEvent {
 
-  override def partitions: Seq[(String, String)] =
-    ("day", Utils.getDateFromTimestamp(startTime)) :: Nil
+  override def partitions: Seq[(String, String)] = {
+    // before engine is started, the start time is 0L, the partition use current day.
+    if (startTime == 0) {

Review Comment:
   ok, we can make a global variable at HiveEngineEvent, something like:
   ```scala
   object HiveEngineEvent {
     val startTime = System.currentTimeMillis()
   ```



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[GitHub] [incubator-kyuubi] codecov-commenter commented on pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
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[GitHub] [incubator-kyuubi] ulysses-you commented on pull request #2421: [draft][KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
ulysses-you commented on PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#issuecomment-1105015926

   does this pr still be draft ?


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[GitHub] [incubator-kyuubi] zhaomin1423 commented on a diff in pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
zhaomin1423 commented on code in PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#discussion_r860475189


##########
externals/kyuubi-hive-sql-engine/src/main/scala/org/apache/kyuubi/engine/hive/events/HiveEngineEvent.scala:
##########
@@ -30,8 +30,14 @@ case class HiveEngineEvent(
     diagnostic: String,
     settings: Map[String, String]) extends KyuubiEvent {
 
-  override def partitions: Seq[(String, String)] =
-    ("day", Utils.getDateFromTimestamp(startTime)) :: Nil
+  override def partitions: Seq[(String, String)] = {
+    // before engine is started, the start time is 0L, the partition use current day.
+    if (startTime == 0) {

Review Comment:
   do we cancel post event before engine start?



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[GitHub] [incubator-kyuubi] ulysses-you commented on a diff in pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
ulysses-you commented on code in PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#discussion_r860478408


##########
externals/kyuubi-hive-sql-engine/src/main/scala/org/apache/kyuubi/engine/hive/events/HiveEngineEvent.scala:
##########
@@ -30,8 +30,14 @@ case class HiveEngineEvent(
     diagnostic: String,
     settings: Map[String, String]) extends KyuubiEvent {
 
-  override def partitions: Seq[(String, String)] =
-    ("day", Utils.getDateFromTimestamp(startTime)) :: Nil
+  override def partitions: Seq[(String, String)] = {
+    // before engine is started, the start time is 0L, the partition use current day.
+    if (startTime == 0) {

Review Comment:
   I think we can. I looked at Spark engine, it also does not post before start



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[GitHub] [incubator-kyuubi] ulysses-you commented on a diff in pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
ulysses-you commented on code in PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#discussion_r860389390


##########
externals/kyuubi-hive-sql-engine/src/main/scala/org/apache/kyuubi/engine/hive/HiveSQLEngine.scala:
##########
@@ -100,6 +100,9 @@ object HiveSQLEngine extends Logging {
     EventBus.post(event)
     Utils.addShutdownHook(() => {
       engine.getServices.foreach(_.stop())
+      val event = HiveEngineEvent(engine)
+        .copy(state = ServiceState.STOPPED, endTime = System.currentTimeMillis())
+      EventBus.post(event)

Review Comment:
   I mean, can we move this before exit system ?
   
   ```scala
     override protected def stopServer(): Unit = {
       // #2351
       // https://issues.apache.org/jira/browse/HIVE-23164
       // Server is not properly terminated because of non-daemon threads
       System.exit(0)
     }
   ```



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[GitHub] [incubator-kyuubi] zhaomin1423 commented on a diff in pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
zhaomin1423 commented on code in PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#discussion_r855763297


##########
externals/kyuubi-hive-sql-engine/src/main/scala/org/apache/kyuubi/engine/hive/events/HiveEngineEvent.scala:
##########
@@ -30,8 +30,14 @@ case class HiveEngineEvent(
     diagnostic: String,
     settings: Map[String, String]) extends KyuubiEvent {
 
-  override def partitions: Seq[(String, String)] =
-    ("day", Utils.getDateFromTimestamp(startTime)) :: Nil
+  override def partitions: Seq[(String, String)] = {
+    // before engine is started, the start time is 0L, the partition use current day.
+    if (startTime == 0) {

Review Comment:
   After the engine is initialized, an event is posted.
   https://github.com/apache/incubator-kyuubi/blob/14f675d28841cb7e049af187fcd1a339e24ffc6d/externals/kyuubi-hive-sql-engine/src/main/scala/org/apache/kyuubi/engine/hive/HiveSQLEngine.scala#L96
   



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[GitHub] [incubator-kyuubi] zhaomin1423 commented on a diff in pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
zhaomin1423 commented on code in PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#discussion_r855824953


##########
externals/kyuubi-hive-sql-engine/src/main/scala/org/apache/kyuubi/engine/hive/HiveSQLEngine.scala:
##########
@@ -100,6 +100,9 @@ object HiveSQLEngine extends Logging {
     EventBus.post(event)
     Utils.addShutdownHook(() => {
       engine.getServices.foreach(_.stop())
+      val event = HiveEngineEvent(engine)
+        .copy(state = ServiceState.STOPPED, endTime = System.currentTimeMillis())
+      EventBus.post(event)

Review Comment:
   It will be not be executed in stopServer.



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[GitHub] [incubator-kyuubi] zhaomin1423 commented on pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
zhaomin1423 commented on PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#issuecomment-1105180313

   > does this pr still be draft ?
   I have been updated it, please help me to review it.


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[GitHub] [incubator-kyuubi] zhaomin1423 commented on a diff in pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
zhaomin1423 commented on code in PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#discussion_r860500810


##########
externals/kyuubi-hive-sql-engine/src/main/scala/org/apache/kyuubi/engine/hive/events/HiveEngineEvent.scala:
##########
@@ -30,8 +30,14 @@ case class HiveEngineEvent(
     diagnostic: String,
     settings: Map[String, String]) extends KyuubiEvent {
 
-  override def partitions: Seq[(String, String)] =
-    ("day", Utils.getDateFromTimestamp(startTime)) :: Nil
+  override def partitions: Seq[(String, String)] = {
+    // before engine is started, the start time is 0L, the partition use current day.
+    if (startTime == 0) {

Review Comment:
   The startTime has been existed in AbstractService, it is set in start method.



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[GitHub] [incubator-kyuubi] zhaomin1423 commented on a diff in pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
zhaomin1423 commented on code in PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#discussion_r860588168


##########
externals/kyuubi-hive-sql-engine/src/main/scala/org/apache/kyuubi/engine/hive/HiveSQLEngine.scala:
##########
@@ -100,6 +100,9 @@ object HiveSQLEngine extends Logging {
     EventBus.post(event)
     Utils.addShutdownHook(() => {
       engine.getServices.foreach(_.stop())
+      val event = HiveEngineEvent(engine)
+        .copy(state = ServiceState.STOPPED, endTime = System.currentTimeMillis())
+      EventBus.post(event)

Review Comment:
   done



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[GitHub] [incubator-kyuubi] ulysses-you commented on a diff in pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
ulysses-you commented on code in PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#discussion_r860389676


##########
externals/kyuubi-hive-sql-engine/src/main/scala/org/apache/kyuubi/engine/hive/events/HiveEngineEvent.scala:
##########
@@ -30,8 +30,14 @@ case class HiveEngineEvent(
     diagnostic: String,
     settings: Map[String, String]) extends KyuubiEvent {
 
-  override def partitions: Seq[(String, String)] =
-    ("day", Utils.getDateFromTimestamp(startTime)) :: Nil
+  override def partitions: Seq[(String, String)] = {
+    // before engine is started, the start time is 0L, the partition use current day.
+    if (startTime == 0) {

Review Comment:
   so shall we also fix that code path ?



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[GitHub] [incubator-kyuubi] zhaomin1423 commented on a diff in pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
zhaomin1423 commented on code in PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#discussion_r860588355


##########
externals/kyuubi-hive-sql-engine/src/main/scala/org/apache/kyuubi/engine/hive/events/HiveEngineEvent.scala:
##########
@@ -30,8 +30,14 @@ case class HiveEngineEvent(
     diagnostic: String,
     settings: Map[String, String]) extends KyuubiEvent {
 
-  override def partitions: Seq[(String, String)] =
-    ("day", Utils.getDateFromTimestamp(startTime)) :: Nil
+  override def partitions: Seq[(String, String)] = {
+    // before engine is started, the start time is 0L, the partition use current day.
+    if (startTime == 0) {

Review Comment:
   add a engineStartTime



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[GitHub] [incubator-kyuubi] ulysses-you commented on a diff in pull request #2421: [KYUUBI #2028][FOLLOWUP] add engine stop event and fix the partition of initialized event

Posted by GitBox <gi...@apache.org>.
ulysses-you commented on code in PR #2421:
URL: https://github.com/apache/incubator-kyuubi/pull/2421#discussion_r855700835


##########
externals/kyuubi-hive-sql-engine/src/main/scala/org/apache/kyuubi/engine/hive/events/HiveEngineEvent.scala:
##########
@@ -30,8 +30,14 @@ case class HiveEngineEvent(
     diagnostic: String,
     settings: Map[String, String]) extends KyuubiEvent {
 
-  override def partitions: Seq[(String, String)] =
-    ("day", Utils.getDateFromTimestamp(startTime)) :: Nil
+  override def partitions: Seq[(String, String)] = {
+    // before engine is started, the start time is 0L, the partition use current day.
+    if (startTime == 0) {

Review Comment:
   if a engine is not started  how can we go into this code path , is it a bug ?



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