Use chronological order timestamp for timers

[zhiyisun]

#25 (comment)

[pnowojski]

Change looks good to me, but there seems to be a compilation failure? 🤔 I think it's unrelated, but could you take a look at it @zhiyisun ?

[zhiyisun]

Thanks, @pnowojski . I've investigated the CI failure, and it appears unrelated to this patch. The issue is actually related to Flink versioning. By changing the Flink version in pom.xml from 2.0-SNAPSHOT to 1.20-SNAPSHOT, I was able to resolve the problem. I'm wondering if the issue might be connected to the flink-scala version instead?

2024-09-27T14:45:11.4358889Z [INFO] Compiling 1 Scala source and 79 Java sources to /home/runner/work/flink-benchmarks/flink-benchmarks/target/classes ...
2024-09-27T14:45:11.9547767Z [ERROR] /home/runner/work/flink-benchmarks/flink-benchmarks/src/main/scala/org/apache/flink/benchmark/functions/ScalaADTSource.scala:20: object scala is not a member of package org.apache.flink.api
2024-09-27T14:45:12.0055814Z [ERROR] /home/runner/work/flink-benchmarks/flink-benchmarks/src/main/scala/org/apache/flink/benchmark/functions/ScalaADTSource.scala:35: not found: value createTypeInformation
2024-09-27T14:45:12.0215592Z [ERROR] two errors found
2024-09-27T14:45:12.0237344Z [INFO] ------------------------------------------------------------------------
2024-09-27T14:45:12.0240470Z [INFO] BUILD FAILURE
2024-09-27T14:45:12.0243320Z [INFO] ------------------------------------------------------------------------
2024-09-27T14:45:12.0258939Z [INFO] Total time:  56.612 s
2024-09-27T14:45:12.0260936Z [INFO] Finished at: 2024-09-27T14:45:12Z
2024-09-27T14:45:12.0263078Z [INFO] ------------------------------------------------------------------------
2024-09-27T14:45:12.0267100Z [ERROR] Failed to execute goal net.alchim31.maven:scala-maven-plugin:4.4.0:compile (scala-compile-first) on project benchmark: Execution scala-compile-first of goal net.alchim31.maven:scala-maven-plugin:4.4.0:compile failed. CompileFailed -> [Help 1]
2024-09-27T14:45:12.0278318Z [ERROR] 
2024-09-27T14:45:12.0280636Z [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
2024-09-27T14:45:12.0283842Z [ERROR] Re-run Maven using the -X switch to enable full debug logging.
2024-09-27T14:45:12.0286167Z [ERROR] 
2024-09-27T14:45:12.0288233Z [ERROR] For more information about the errors and possible solutions, please read the following articles:
2024-09-27T14:45:12.0295146Z [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException
2024-09-27T14:45:12.0690021Z ##[error]Process completed with exit code 1.

[pnowojski]

I think the problem got resolved by #97