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Posted to issues@flink.apache.org by "Yangze Guo (Jira)" <ji...@apache.org> on 2019/12/09 06:19:00 UTC
[jira] [Commented] (FLINK-14951) State TTL backend end-to-end test
fail when taskManager has multiple slot
[ https://issues.apache.org/jira/browse/FLINK-14951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16991170#comment-16991170 ]
Yangze Guo commented on FLINK-14951:
------------------------------------
[~azagrebin] Hi, andrey. I notice the fix version of this issue is setted to 1.10. Do you think its a blocker for 1.10 release? If so, could you take a look at the PR? If not, we should edit this field.
> State TTL backend end-to-end test fail when taskManager has multiple slot
> -------------------------------------------------------------------------
>
> Key: FLINK-14951
> URL: https://issues.apache.org/jira/browse/FLINK-14951
> Project: Flink
> Issue Type: Bug
> Components: Runtime / State Backends, Tests
> Environment: centos 7
> java 8
> Reporter: Yangze Guo
> Assignee: Yangze Guo
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.10.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> When I run flink end to end tests, the State TTL backend tests fail. The log of TaskManager show below:
> 2019-11-26 20:22:03,837 INFO org.apache.flink.runtime.taskmanager.Task - TtlVerifyUpdateFunction -> Sink: PrintFailedVerifications (3/3) (23f969ddb3e13fcdd3ba9823f50b0eab) switched from RUNNING to FAILED.
> java.lang.IllegalStateException: Timestamps before and after the update do not match.
> at org.apache.flink.util.Preconditions.checkState(Preconditions.java:195)
> at org.apache.flink.streaming.tests.TtlVerifyUpdateFunction.performUpdate(TtlVerifyUpdateFunction.java:124)
> at org.apache.flink.streaming.tests.TtlVerifyUpdateFunction.generateUpdateAndVerificationContext(TtlVerifyUpdateFunction.java:101)
> at org.apache.flink.streaming.tests.TtlVerifyUpdateFunction.flatMap(TtlVerifyUpdateFunction.java:88)
> at org.apache.flink.streaming.tests.TtlVerifyUpdateFunction.flatMap(TtlVerifyUpdateFunction.java:67)
> at org.apache.flink.streaming.api.operators.StreamFlatMap.processElement(StreamFlatMap.java:50)
> at org.apache.flink.streaming.runtime.tasks.OneInputStreamTask$StreamTaskNetworkOutput.emitRecord(OneInputStreamTask.java:173)
> at org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.processElement(StreamTaskNetworkInput.java:151)
> at org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.emitNext(StreamTaskNetworkInput.java:128)
> at org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:69)
> at org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:284)
> at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:155)
> at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:445)
> at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:702)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:527)
> at java.lang.Thread.run(Thread.java:834)
> It is cause by the MonotonicTTLTimeProvider:freeze and MonotonicTTLTimeProvider:unfreezeTime called by multithread when taskmanager.numberOfTaskSlots set greater than 1. We could set it to 1 in test_stream_state_ttl.sh. That will fix the problem.
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