Hanumath Rao Maduri created DRILL-7164:
------------------------------------------
Summary: KafkaFilterPushdownTest is sometimes failing to pattern
match correctly.
Key: DRILL-7164
URL: https://issues.apache.org/jira/browse/DRILL-7164
Project: Apache Drill
Issue Type: Bug
Components: Storage - Kafka
Affects Versions: 1.16.0
Reporter: Hanumath Rao Maduri
Assignee: Abhishek Ravi
Fix For: 1.17.0
On my private build I am hitting kafka storage tests issue intermittently. Here
is the issue which I came across.
{code}
at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_91]
15:01:39.852 [main] ERROR org.apache.drill.TestReporter - Test Failed (d: -292
B(75.4 KiB), h: -391.1 MiB(240.7 MiB), nh: 824.5 KiB(129.0 MiB)):
testPushdownOffsetOneRecordReturnedWithBoundaryConditions(org.apache.drill.exec.store.kafka.KafkaFilterPushdownTest)
java.lang.AssertionError: Unable to find expected string "kafkaScanSpec" : {
"topicName" : "drill-pushdown-topic"
},
.*
.*
"cost" in plan: {
"head" : {
"version" : 1,
"generator" : {
"type" : "ExplainHandler",
"info" : ""
},
"type" : "APACHE_DRILL_PHYSICAL",
"options" : [ {
"kind" : "STRING",
"accessibleScopes" : "ALL",
"name" : "store.kafka.record.reader",
"string_val" :
"org.apache.drill.exec.store.kafka.decoders.JsonMessageReader",
"scope" : "SESSION"
}, {
"kind" : "BOOLEAN",
"accessibleScopes" : "ALL",
"name" : "exec.errors.verbose",
"bool_val" : true,
"scope" : "SESSION"
}, {
"kind" : "LONG",
"accessibleScopes" : "ALL",
"name" : "store.kafka.poll.timeout",
"num_val" : 5000,
"scope" : "SESSION"
}, {
"kind" : "LONG",
"accessibleScopes" : "ALL",
"name" : "planner.width.max_per_node",
"num_val" : 2,
"scope" : "SESSION"
} ],
"queue" : 0,
"hasResourcePlan" : false,
"resultMode" : "EXEC"
},
"graph" : [ {
"pop" : "kafka-scan",
"@id" : 6,
"userName" : "",
"kafkaStoragePluginConfig" : {
"type" : "kafka",
"kafkaConsumerProps" : {
"bootstrap.servers" : "127.0.0.1:56524",
"group.id" : "drill-test-consumer"
},
"enabled" : true
},
"columns" : [ "`**`", "`kafkaMsgOffset`" ],
"kafkaScanSpec" : {
"topicName" : "drill-pushdown-topic"
},
"initialAllocation" : 1000000,
"maxAllocation" : 10000000000,
"cost" : {
"memoryCost" : 1.6777216E7,
"outputRowCount" : 5.0
}
}, {
"pop" : "project",
"@id" : 5,
"exprs" : [ {
"ref" : "`T23¦¦**`",
"expr" : "`**`"
}, {
"ref" : "`kafkaMsgOffset`",
"expr" : "`kafkaMsgOffset`"
} ],
"child" : 6,
"outputProj" : false,
"initialAllocation" : 1000000,
"maxAllocation" : 10000000000,
"cost" : {
"memoryCost" : 1.6777216E7,
"outputRowCount" : 5.0
}
}, {
"pop" : "filter",
"@id" : 4,
"child" : 5,
"expr" : "equal(`kafkaMsgOffset`, 9) ",
"initialAllocation" : 1000000,
"maxAllocation" : 10000000000,
"cost" : {
"memoryCost" : 1.6777216E7,
"outputRowCount" : 0.75
}
}, {
"pop" : "selection-vector-remover",
"@id" : 3,
"child" : 4,
"initialAllocation" : 1000000,
"maxAllocation" : 10000000000,
"cost" : {
"memoryCost" : 1.6777216E7,
"outputRowCount" : 1.0
}
}, {
"pop" : "project",
"@id" : 2,
"exprs" : [ {
"ref" : "`T23¦¦**`",
"expr" : "`T23¦¦**`"
} ],
"child" : 3,
"outputProj" : false,
"initialAllocation" : 1000000,
"maxAllocation" : 10000000000,
"cost" : {
"memoryCost" : 1.6777216E7,
"outputRowCount" : 1.0
}
}, {
"pop" : "project",
"@id" : 1,
"exprs" : [ {
"ref" : "`**`",
"expr" : "`T23¦¦**`"
} ],
"child" : 2,
"outputProj" : true,
"initialAllocation" : 1000000,
"maxAllocation" : 10000000000,
"cost" : {
"memoryCost" : 1.6777216E7,
"outputRowCount" : 1.0
}
}, {
"pop" : "screen",
"@id" : 0,
"child" : 1,
"initialAllocation" : 1000000,
"maxAllocation" : 10000000000,
"cost" : {
"memoryCost" : 1.6777216E7,
"outputRowCount" : 1.0
}
} ]
}!
{code}
In the earlier checkin there is a change in the way cost is being represented.
This has the changed the test which I think is not right. The pattern to
compare in the plan should be made smart to fix this issue generically.
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