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Posted to issues@spark.apache.org by "Gabor Somogyi (JIRA)" <ji...@apache.org> on 2018/11/29 18:52:00 UTC
[jira] [Commented] (SPARK-26220) Flaky Test:
org.apache.spark.sql.kafka010.KafkaSourceStressSuite
[ https://issues.apache.org/jira/browse/SPARK-26220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16703644#comment-16703644 ]
Gabor Somogyi commented on SPARK-26220:
---------------------------------------
[~dongjoon] Don't know whether it's related to kafka version bump but seen this issue lately.
Maybe the problem is old but I've had bad luck because there is heavy random inside.
> Flaky Test: org.apache.spark.sql.kafka010.KafkaSourceStressSuite
> ----------------------------------------------------------------
>
> Key: SPARK-26220
> URL: https://issues.apache.org/jira/browse/SPARK-26220
> Project: Spark
> Issue Type: Bug
> Components: Tests
> Affects Versions: 3.0.0
> Reporter: Gabor Somogyi
> Priority: Major
>
> There was a kafka-clients version update lately and I've seen a test failure like this (rarely comes):
> {code:java}
> KafkaRelationSuite:
> - explicit earliest to latest offsets
> - default starting and ending offsets
> - explicit offsets
> - reuse same dataframe in query
> - test late binding start offsets
> - bad batch query options
> - read Kafka transactional messages: read_committed
> - read Kafka transactional messages: read_uncommitted
> KafkaSourceStressSuite:
> - stress test with multiple topics and partitions *** FAILED ***
> == Results ==
> !== Correct Answer - 49 == == Spark Answer - 45 ==
> struct<value:int> struct<value:int>
> [10] [10]
> [11] [11]
> [12] [12]
> [13] [13]
> [14] [14]
> [15] [15]
> [16] [16]
> [17] [17]
> [18] [18]
> [19] [19]
> [1] [1]
> [20] [20]
> [21] [21]
> [22] [22]
> [23] [23]
> [24] [24]
> [25] [25]
> [26] [26]
> ![27] [2]
> ![28] [31]
> ![29] [32]
> ![2] [33]
> ![30] [34]
> ![31] [35]
> ![32] [36]
> ![33] [37]
> ![34] [38]
> ![35] [39]
> ![36] [3]
> ![37] [40]
> ![38] [41]
> ![39] [42]
> ![3] [43]
> ![40] [44]
> ![41] [45]
> ![42] [46]
> ![43] [47]
> ![44] [48]
> ![45] [49]
> ![46] [4]
> ![47] [5]
> ![48] [6]
> ![49] [7]
> ![4] [8]
> ![5] [9]
> ![6]
> ![7]
> ![8]
> ![9]
> {code}
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