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[CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(pytest:beam:transforms:filter_less_than), 
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org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
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ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) b8fcf2cd5a47919f3ffce9a91a8b1938.
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org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task CHAIN 
MapPartition (MapPartition at 
[3]{ExternalTransform(pytest:beam:transforms:filter_less_than), 
ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) e061b50681a7f74cc492f27b35ca7df6.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
(MapPartition at 
[3]{ExternalTransform(pytest:beam:transforms:filter_less_than), 
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ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
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Map (Key Extractor) (1/2) (b8fcf2cd5a47919f3ffce9a91a8b1938) switched from 
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[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
(MapPartition at 
[3]{ExternalTransform(pytest:beam:transforms:filter_less_than), 
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ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
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org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
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org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
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org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN 
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to localhost
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN 
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[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2).
[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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(c49580c26a65df21180379972066d9de) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak 
safety net for task CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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(c49580c26a65df21180379972066d9de) [DEPLOYING]
[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN 
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[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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(c49580c26a65df21180379972066d9de) [DEPLOYING].
[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN 
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[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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(c49580c26a65df21180379972066d9de) [DEPLOYING].
[CHAIN MapPartition (MapPartition at 
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org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at 
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org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
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[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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org.apache.flink.metrics.MetricGroup - The operator name MapPartition 
(MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) exceeded the 80 characters length limit and was truncated.
[jobmanager-future-thread-10] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
(MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
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[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN 
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to localhost
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN 
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[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2).
[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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(b412bbb19f3cf1ebd327a7ba5f95d54e) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak 
safety net for task CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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(b412bbb19f3cf1ebd327a7ba5f95d54e) [DEPLOYING]
[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN 
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[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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(b412bbb19f3cf1ebd327a7ba5f95d54e) [DEPLOYING].
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org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN 
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[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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(b412bbb19f3cf1ebd327a7ba5f95d54e) [DEPLOYING].
[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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(b412bbb19f3cf1ebd327a7ba5f95d54e) switched from DEPLOYING to RUNNING.
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[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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(b412bbb19f3cf1ebd327a7ba5f95d54e) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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org.apache.flink.metrics.MetricGroup - The operator name MapPartition 
(MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
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[GroupReduce (GroupReduce at 
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for GroupReduce (GroupReduce at 
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streams are closed for task GroupReduce (GroupReduce at 
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(1/2) (b1ceefd86d7a3e9ce999c69024a59d25) [FINISHED]
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org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task GroupReduce 
(GroupReduce at 
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b1ceefd86d7a3e9ce999c69024a59d25.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task GroupReduce 
(GroupReduce at 
ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) 
da6ae678bd112658752f145d345cac8a.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
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(1/2) (b1ceefd86d7a3e9ce999c69024a59d25) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
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org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
(MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at 
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(1/2) (85e2a9e9ea91767d47a99884ad302bf9) switched from CREATED to SCHEDULED.
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org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
(MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at 
external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 
(1/2) (85e2a9e9ea91767d47a99884ad302bf9) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN 
MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
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ExtractOutput[0]) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN 
MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (1/2).
[jobmanager-future-thread-1] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
(MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at 
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(2/2) (25e904321ac099f2b3f3d27ba80c7276) switched from CREATED to SCHEDULED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
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ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN 
MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (1/2) (85e2a9e9ea91767d47a99884ad302bf9) switched from 
CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Creating FileSystem stream leak safety net for task CHAIN MapPartition 
(MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at 
external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 
(1/2) (85e2a9e9ea91767d47a99884ad302bf9) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Loading JAR files for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda 
at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) 
-> FlatMap (FlatMap at ExtractOutput[0]) (1/2) 
(85e2a9e9ea91767d47a99884ad302bf9) [DEPLOYING].
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
(MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at 
external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 
(2/2) (25e904321ac099f2b3f3d27ba80c7276) switched from SCHEDULED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Registering task at network: CHAIN MapPartition (MapPartition at 
[6]{Map(<lambda at external_test.py:212>), Map(<lambda at 
external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 
(1/2) (85e2a9e9ea91767d47a99884ad302bf9) [DEPLOYING].
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN 
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ExtractOutput[0]) (2/2) (attempt #0) to localhost
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN 
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Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (1/2) (85e2a9e9ea91767d47a99884ad302bf9) switched from 
DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
(MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at 
external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 
(1/2) (85e2a9e9ea91767d47a99884ad302bf9) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) 
(c49580c26a65df21180379972066d9de) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (1/2)] WARN org.apache.flink.metrics.MetricGroup - The 
operator name MapPartition (MapPartition at [6]{Map(<lambda at 
external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) 
exceeded the 80 characters length limit and was truncated.
[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN 
MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) 
(c49580c26a65df21180379972066d9de).
[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are 
closed for task CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) 
(c49580c26a65df21180379972066d9de) [FINISHED]
[flink-akka.actor.default-dispatcher-6] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN 
MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (2/2).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN 
MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (2/2) (25e904321ac099f2b3f3d27ba80c7276) switched from 
CREATED to DEPLOYING.
[flink-akka.actor.default-dispatcher-6] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task CHAIN 
MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) 
c49580c26a65df21180379972066d9de.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Creating FileSystem stream leak safety net for task CHAIN MapPartition 
(MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at 
external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 
(2/2) (25e904321ac099f2b3f3d27ba80c7276) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Loading JAR files for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda 
at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) 
-> FlatMap (FlatMap at ExtractOutput[0]) (2/2) 
(25e904321ac099f2b3f3d27ba80c7276) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Registering task at network: CHAIN MapPartition (MapPartition at 
[6]{Map(<lambda at external_test.py:212>), Map(<lambda at 
external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 
(2/2) (25e904321ac099f2b3f3d27ba80c7276) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN 
MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (2/2) (25e904321ac099f2b3f3d27ba80c7276) switched from 
DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
(MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at 
external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 
(2/2) (25e904321ac099f2b3f3d27ba80c7276) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (2/2)] WARN org.apache.flink.metrics.MetricGroup - The 
operator name MapPartition (MapPartition at [6]{Map(<lambda at 
external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) 
exceeded the 80 characters length limit and was truncated.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
(MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) 
(c49580c26a65df21180379972066d9de) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) 
(b412bbb19f3cf1ebd327a7ba5f95d54e) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN 
MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) 
(b412bbb19f3cf1ebd327a7ba5f95d54e).
[CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are 
closed for task CHAIN MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) 
(b412bbb19f3cf1ebd327a7ba5f95d54e) [FINISHED]
[flink-akka.actor.default-dispatcher-6] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task CHAIN 
MapPartition (MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) 
b412bbb19f3cf1ebd327a7ba5f95d54e.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
(MapPartition at 
[2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge,
 ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) 
(b412bbb19f3cf1ebd327a7ba5f95d54e) switched from RUNNING to FINISHED.
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique 
name set for transform fn/write/ref_PCollection_PCollection_24:0:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique 
name set for transform fn/write/ref_PCollection_PCollection_24:0:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique 
name set for transform fn/read/ref_PCollection_PCollection_14:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique 
name set for transform fn/read/ref_PCollection_PCollection_14:0 
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN 
MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (2/2) (25e904321ac099f2b3f3d27ba80c7276) switched from 
RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Freeing task resources for CHAIN MapPartition (MapPartition at [6]{Map(<lambda 
at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) 
-> FlatMap (FlatMap at ExtractOutput[0]) (2/2) 
(25e904321ac099f2b3f3d27ba80c7276).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Ensuring all FileSystem streams are closed for task CHAIN MapPartition 
(MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at 
external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 
(2/2) (25e904321ac099f2b3f3d27ba80c7276) [FINISHED]
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task CHAIN 
MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) 25e904321ac099f2b3f3d27ba80c7276.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN 
MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (1/2) (85e2a9e9ea91767d47a99884ad302bf9) switched from 
RUNNING to FINISHED.
[jobmanager-future-thread-12] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at assert_that/Group/GroupByKey) (2/2) 
(0cda4e2e548b9ac1cc6a31f71d582718) switched from CREATED to SCHEDULED.
[jobmanager-future-thread-11] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at assert_that/Group/GroupByKey) (1/2) 
(f3ec0c6b033c6d5189caf65b079cc527) switched from CREATED to SCHEDULED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Freeing task resources for CHAIN MapPartition (MapPartition at [6]{Map(<lambda 
at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) 
-> FlatMap (FlatMap at ExtractOutput[0]) (1/2) 
(85e2a9e9ea91767d47a99884ad302bf9).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at assert_that/Group/GroupByKey) (2/2) 
(0cda4e2e548b9ac1cc6a31f71d582718) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at assert_that/Group/GroupByKey) (1/2) 
(f3ec0c6b033c6d5189caf65b079cc527) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at assert_that/Group/GroupByKey) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at assert_that/Group/GroupByKey) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at assert_that/Group/GroupByKey) (2/2).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
(MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at 
external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 
(2/2) (25e904321ac099f2b3f3d27ba80c7276) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at 
assert_that/Group/GroupByKey) (2/2) (0cda4e2e548b9ac1cc6a31f71d582718) switched 
from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak 
safety net for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) 
(2/2) (0cda4e2e548b9ac1cc6a31f71d582718) [DEPLOYING]
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task 
GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) 
(0cda4e2e548b9ac1cc6a31f71d582718) [DEPLOYING].
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Registering task at network: 
GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) 
(0cda4e2e548b9ac1cc6a31f71d582718) [DEPLOYING].
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at assert_that/Group/GroupByKey) (1/2).
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at 
assert_that/Group/GroupByKey) (2/2) (0cda4e2e548b9ac1cc6a31f71d582718) switched 
from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at 
assert_that/Group/GroupByKey) (1/2) (f3ec0c6b033c6d5189caf65b079cc527) switched 
from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak 
safety net for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) 
(1/2) (f3ec0c6b033c6d5189caf65b079cc527) [DEPLOYING]
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task 
GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) 
(f3ec0c6b033c6d5189caf65b079cc527) [DEPLOYING].
[flink-akka.actor.default-dispatcher-6] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at assert_that/Group/GroupByKey) (2/2) 
(0cda4e2e548b9ac1cc6a31f71d582718) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Registering task at network: 
GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) 
(f3ec0c6b033c6d5189caf65b079cc527) [DEPLOYING].
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at 
assert_that/Group/GroupByKey) (1/2) (f3ec0c6b033c6d5189caf65b079cc527) switched 
from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at assert_that/Group/GroupByKey) (1/2) 
(f3ec0c6b033c6d5189caf65b079cc527) switched from DEPLOYING to RUNNING.
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine 
(GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key 
Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN Filter 
(UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) 
(1affa84fc1c77950de1d93110cab1706) switched from RUNNING to FINISHED.
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine 
(GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key 
Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task 
resources for CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> 
GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> 
Map (Key Extractor) (2/2) (1affa84fc1c77950de1d93110cab1706).
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine 
(GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key 
Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all 
FileSystem streams are closed for task CHAIN Filter (UnionFixFilter) -> Map 
(Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: 
assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) 
(1affa84fc1c77950de1d93110cab1706) [FINISHED]
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine 
(GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key 
Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN Filter 
(UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) 
(9cf929be66d389287f6c167ed6f85ee9) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Ensuring all FileSystem streams are closed for task CHAIN MapPartition 
(MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at 
external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 
(1/2) (85e2a9e9ea91767d47a99884ad302bf9) [FINISHED]
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine 
(GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key 
Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task 
resources for CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> 
GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> 
Map (Key Extractor) (1/2) (9cf929be66d389287f6c167ed6f85ee9).
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine 
(GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key 
Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all 
FileSystem streams are closed for task CHAIN Filter (UnionFixFilter) -> Map 
(Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: 
assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) 
(9cf929be66d389287f6c167ed6f85ee9) [FINISHED]
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task CHAIN Filter 
(UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) 
1affa84fc1c77950de1d93110cab1706.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task CHAIN 
MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), 
Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at 
ExtractOutput[0]) 85e2a9e9ea91767d47a99884ad302bf9.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN Filter 
(UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) 
(1affa84fc1c77950de1d93110cab1706) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task CHAIN Filter 
(UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) 
9cf929be66d389287f6c167ed6f85ee9.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
(MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at 
external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 
(1/2) (85e2a9e9ea91767d47a99884ad302bf9) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN Filter 
(UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) 
(9cf929be66d389287f6c167ed6f85ee9) switched from RUNNING to FINISHED.
[jobmanager-future-thread-10] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition 
(MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) 
(ca3e1bd7be250cda5a4b9a648dc15ce3) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition 
(MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) 
(ca3e1bd7be250cda5a4b9a648dc15ce3) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying MapPartition 
(MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (attempt #0) to 
localhost
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task MapPartition 
(MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at 
[3]assert_that/{Group, Unkey, Match}) (2/2) (ca3e1bd7be250cda5a4b9a648dc15ce3) 
switched from CREATED to DEPLOYING.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream 
leak safety net for task MapPartition (MapPartition at [3]assert_that/{Group, 
Unkey, Match}) (2/2) (ca3e1bd7be250cda5a4b9a648dc15ce3) [DEPLOYING]
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task 
MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) 
(ca3e1bd7be250cda5a4b9a648dc15ce3) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: 
MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) 
(ca3e1bd7be250cda5a4b9a648dc15ce3) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at 
[3]assert_that/{Group, Unkey, Match}) (2/2) (ca3e1bd7be250cda5a4b9a648dc15ce3) 
switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition 
(MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) 
(ca3e1bd7be250cda5a4b9a648dc15ce3) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at 
assert_that/Group/GroupByKey) (2/2) (0cda4e2e548b9ac1cc6a31f71d582718) switched 
from RUNNING to FINISHED.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Freeing task resources for 
GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) 
(0cda4e2e548b9ac1cc6a31f71d582718).
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are 
closed for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) 
(0cda4e2e548b9ac1cc6a31f71d582718) [FINISHED]
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at 
assert_that/Group/GroupByKey) (1/2) (f3ec0c6b033c6d5189caf65b079cc527) switched 
from RUNNING to FINISHED.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Freeing task resources for 
GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) 
(f3ec0c6b033c6d5189caf65b079cc527).
[flink-akka.actor.default-dispatcher-6] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task GroupReduce 
(GroupReduce at assert_that/Group/GroupByKey) 0cda4e2e548b9ac1cc6a31f71d582718.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are 
closed for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) 
(f3ec0c6b033c6d5189caf65b079cc527) [FINISHED]
[jobmanager-future-thread-11] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition 
(MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) 
(dfbabf5ae131ba05340a63c40694eb9b) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-6] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task GroupReduce 
(GroupReduce at assert_that/Group/GroupByKey) f3ec0c6b033c6d5189caf65b079cc527.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at assert_that/Group/GroupByKey) (2/2) 
(0cda4e2e548b9ac1cc6a31f71d582718) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition 
(MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) 
(dfbabf5ae131ba05340a63c40694eb9b) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying MapPartition 
(MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (attempt #0) to 
localhost
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at assert_that/Group/GroupByKey) (1/2) 
(f3ec0c6b033c6d5189caf65b079cc527) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task MapPartition 
(MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at 
[3]assert_that/{Group, Unkey, Match}) (1/2) (dfbabf5ae131ba05340a63c40694eb9b) 
switched from CREATED to DEPLOYING.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream 
leak safety net for task MapPartition (MapPartition at [3]assert_that/{Group, 
Unkey, Match}) (1/2) (dfbabf5ae131ba05340a63c40694eb9b) [DEPLOYING]
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task 
MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) 
(dfbabf5ae131ba05340a63c40694eb9b) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: 
MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) 
(dfbabf5ae131ba05340a63c40694eb9b) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at 
[3]assert_that/{Group, Unkey, Match}) (1/2) (dfbabf5ae131ba05340a63c40694eb9b) 
switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition 
(MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) 
(dfbabf5ae131ba05340a63c40694eb9b) switched from DEPLOYING to RUNNING.
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique 
name set for transform fn/read/ref_PCollection_PCollection_27:0 
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique 
name set for transform fn/read/ref_PCollection_PCollection_27:0 
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at 
[3]assert_that/{Group, Unkey, Match}) (2/2) (ca3e1bd7be250cda5a4b9a648dc15ce3) 
switched from RUNNING to FINISHED.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for 
MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) 
(ca3e1bd7be250cda5a4b9a648dc15ce3).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem 
streams are closed for task MapPartition (MapPartition at 
[3]assert_that/{Group, Unkey, Match}) (2/2) (ca3e1bd7be250cda5a4b9a648dc15ce3) 
[FINISHED]
[jobmanager-future-thread-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink 
(DiscardingOutput) (2/2) (bb032a2f9a75b4cfe45aa9c0b426db1a) switched from 
CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-6] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task MapPartition 
(MapPartition at [3]assert_that/{Group, Unkey, Match}) 
ca3e1bd7be250cda5a4b9a648dc15ce3.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink 
(DiscardingOutput) (2/2) (bb032a2f9a75b4cfe45aa9c0b426db1a) switched from 
SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying DataSink 
(DiscardingOutput) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-6] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task DataSink 
(DiscardingOutput) (2/2).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition 
(MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) 
(ca3e1bd7be250cda5a4b9a648dc15ce3) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (2/2) 
(bb032a2f9a75b4cfe45aa9c0b426db1a) switched from CREATED to DEPLOYING.
[DataSink (DiscardingOutput) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak 
safety net for task DataSink (DiscardingOutput) (2/2) 
(bb032a2f9a75b4cfe45aa9c0b426db1a) [DEPLOYING]
[DataSink (DiscardingOutput) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task DataSink 
(DiscardingOutput) (2/2) (bb032a2f9a75b4cfe45aa9c0b426db1a) [DEPLOYING].
[DataSink (DiscardingOutput) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Registering task at network: 
DataSink (DiscardingOutput) (2/2) (bb032a2f9a75b4cfe45aa9c0b426db1a) 
[DEPLOYING].
[DataSink (DiscardingOutput) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (2/2) 
(bb032a2f9a75b4cfe45aa9c0b426db1a) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink 
(DiscardingOutput) (2/2) (bb032a2f9a75b4cfe45aa9c0b426db1a) switched from 
DEPLOYING to RUNNING.
[DataSink (DiscardingOutput) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (2/2) 
(bb032a2f9a75b4cfe45aa9c0b426db1a) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Freeing task resources for DataSink 
(DiscardingOutput) (2/2) (bb032a2f9a75b4cfe45aa9c0b426db1a).
[DataSink (DiscardingOutput) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are 
closed for task DataSink (DiscardingOutput) (2/2) 
(bb032a2f9a75b4cfe45aa9c0b426db1a) [FINISHED]
[flink-akka.actor.default-dispatcher-6] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task DataSink 
(DiscardingOutput) bb032a2f9a75b4cfe45aa9c0b426db1a.
[flink-akka.actor.default-dispatcher-6] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink 
(DiscardingOutput) (2/2) (bb032a2f9a75b4cfe45aa9c0b426db1a) switched from 
RUNNING to FINISHED.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at 
[3]assert_that/{Group, Unkey, Match}) (1/2) (dfbabf5ae131ba05340a63c40694eb9b) 
switched from RUNNING to FINISHED.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for 
MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) 
(dfbabf5ae131ba05340a63c40694eb9b).
[jobmanager-future-thread-5] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink 
(DiscardingOutput) (1/2) (c4bee59e482fb9180b1d8d250ef873a5) switched from 
CREATED to SCHEDULED.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem 
streams are closed for task MapPartition (MapPartition at 
[3]assert_that/{Group, Unkey, Match}) (1/2) (dfbabf5ae131ba05340a63c40694eb9b) 
[FINISHED]
[flink-akka.actor.default-dispatcher-6] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task MapPartition 
(MapPartition at [3]assert_that/{Group, Unkey, Match}) 
dfbabf5ae131ba05340a63c40694eb9b.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink 
(DiscardingOutput) (1/2) (c4bee59e482fb9180b1d8d250ef873a5) switched from 
SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying DataSink 
(DiscardingOutput) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition 
(MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) 
(dfbabf5ae131ba05340a63c40694eb9b) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-6] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task DataSink 
(DiscardingOutput) (1/2).
[DataSink (DiscardingOutput) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (1/2) 
(c4bee59e482fb9180b1d8d250ef873a5) switched from CREATED to DEPLOYING.
[DataSink (DiscardingOutput) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak 
safety net for task DataSink (DiscardingOutput) (1/2) 
(c4bee59e482fb9180b1d8d250ef873a5) [DEPLOYING]
[DataSink (DiscardingOutput) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task DataSink 
(DiscardingOutput) (1/2) (c4bee59e482fb9180b1d8d250ef873a5) [DEPLOYING].
[DataSink (DiscardingOutput) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Registering task at network: 
DataSink (DiscardingOutput) (1/2) (c4bee59e482fb9180b1d8d250ef873a5) 
[DEPLOYING].
[DataSink (DiscardingOutput) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (1/2) 
(c4bee59e482fb9180b1d8d250ef873a5) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink 
(DiscardingOutput) (1/2) (c4bee59e482fb9180b1d8d250ef873a5) switched from 
DEPLOYING to RUNNING.
[DataSink (DiscardingOutput) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (1/2) 
(c4bee59e482fb9180b1d8d250ef873a5) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Freeing task resources for DataSink 
(DiscardingOutput) (1/2) (c4bee59e482fb9180b1d8d250ef873a5).
[DataSink (DiscardingOutput) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are 
closed for task DataSink (DiscardingOutput) (1/2) 
(c4bee59e482fb9180b1d8d250ef873a5) [FINISHED]
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task DataSink 
(DiscardingOutput) c4bee59e482fb9180b1d8d250ef873a5.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink 
(DiscardingOutput) (1/2) (c4bee59e482fb9180b1d8d250ef873a5) switched from 
RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Job 
BeamApp-root-0702065802-17601818 (a1ccc01d2f35a1c44a770cf8ba0eee9a) switched 
from state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job 
a1ccc01d2f35a1c44a770cf8ba0eee9a reached globally terminal state FINISHED.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for job 
BeamApp-root-0702065802-17601818(a1ccc01d2f35a1c44a770cf8ba0eee9a).
[flink-runner-job-invoker] INFO 
org.apache.flink.runtime.minicluster.MiniCluster - Shutting down Flink Mini 
Cluster
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager 
connection for job a1ccc01d2f35a1c44a770cf8ba0eee9a.
[flink-runner-job-invoker] INFO 
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shutting down rest 
endpoint.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection 
f65b5fdf3484456fd927fc4a30b105ce: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher 
akka://flink/user/dispatcher8fcf6bdf-58bc-4702-87d7-7fa65e7491d1.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all 
currently running jobs of dispatcher 
akka://flink/user/dispatcher8fcf6bdf-58bc-4702-87d7-7fa65e7491d1.
[flink-akka.actor.default-dispatcher-6] INFO 
org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Suspending SlotPool.
[flink-akka.actor.default-dispatcher-6] INFO 
org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Stopping SlotPool.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - JobManager for job 
a1ccc01d2f35a1c44a770cf8ba0eee9a with leader id 
92844efa88870ccf11d14ecfa7ea44f0 lost leadership.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect 
job manager 92844efa88870ccf11d14ecfa7ea44f0@akka://flink/user/jobmanager_1 for 
job a1ccc01d2f35a1c44a770cf8ba0eee9a from the resource manager.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor 
akka://flink/user/taskmanager_0.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager - Shutting 
down TaskExecutorLocalStateStoresManager.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager removed 
spill file directory /tmp/flink-io-df72b021-028b-4859-8156-00c8803b3583
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.io.network.NetworkEnvironment - Shutting down the 
network environment and its components.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.rest.handler.legacy.backpressure.StackTraceSampleCoordinator
 - Shutting down stack trace sample coordinator.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopped dispatcher 
akka://flink/user/dispatcher8fcf6bdf-58bc-4702-87d7-7fa65e7491d1.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Closing the 
SlotManager.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Suspending 
the SlotManager.
[ForkJoinPool.commonPool-worker-9] INFO 
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Removing cache 
directory /tmp/flink-web-ui
[ForkJoinPool.commonPool-worker-9] INFO 
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shut down complete.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.JobLeaderService - Stop job leader 
service.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor 
akka://flink/user/taskmanager_0.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopping Akka RPC service.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.blob.PermanentBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.blob.TransientBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.blob.BlobServer - Stopped BLOB server at 0.0.0.0:46103
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopped Akka RPC service.
[flink-runner-job-invoker] INFO org.apache.beam.runners.flink.FlinkRunner - 
Execution finished in 16077 msecs
[flink-runner-job-invoker] INFO org.apache.beam.runners.flink.FlinkRunner - 
Final accumulator values:
[flink-runner-job-invoker] INFO org.apache.beam.runners.flink.FlinkRunner - 
__metricscontainers : 
MetricQueryResults(Counters(ref_PCollection_PCollection_14:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_assert_that/Group/Flatten_34}: 0, 
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 {PTRANSFORM=fn/write/ref_PCollection_PCollection_2:0}: 0, 
ref_PCollection_PCollection_14:beam:metric:ptransform_execution_time:total_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_assert_that/WindowInto(WindowIntoFn)_29}: 0, 
ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 {PTRANSFORM=external_1root/ParDo(Anonymous)/ParMultiDo(Anonymous)}: 0, 
ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=fn/read/ref_PCollection_PCollection_17:0}: 0, 
ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=external_1root/ParDo(Anonymous)/ParMultiDo(Anonymous)}: 0, 
ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=external_1root/ParDo(Anonymous)/ParMultiDo(Anonymous)}: 0, 
ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_Create/Map(decode)_16}: 0, 
ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=fn/write/ref_PCollection_PCollection_24:1:0}: 
0)Distributions(ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_16}: DistributionResult{sum=54, 
count=3, min=18, max=18}, 
ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_15}: DistributionResult{sum=51, 
count=3, min=17, max=17}, 
ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_14}: DistributionResult{sum=45, 
count=3, min=15, max=15}, 
ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_30}: DistributionResult{sum=14, 
count=1, min=14, max=14}, 
ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_24:1}: DistributionResult{sum=19, 
count=1, min=19, max=19}, 
ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_17}: DistributionResult{sum=13, 
count=1, min=13, max=13}, 
ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_18}: DistributionResult{sum=16, 
count=1, min=16, max=16}, 
ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_24:0}: DistributionResult{sum=72, 
count=3, min=24, max=24}, 
ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_19}: DistributionResult{sum=15, 
count=1, min=15, max=15}, 
ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_9}: DistributionResult{sum=192, 
count=12, min=16, max=16}, 
ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_22}: DistributionResult{sum=17, 
count=1, min=17, max=17}, 
ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_10}: DistributionResult{sum=168, 
count=12, min=14, max=14}, 
ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_12}: DistributionResult{sum=168, 
count=12, min=14, max=14}, 
ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_11}: DistributionResult{sum=168, 
count=12, min=14, max=14}, 
ref_PCollection_PCollection_1:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_1}: DistributionResult{sum=13, 
count=1, min=13, max=13}, 
ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_27}: DistributionResult{sum=58, 
count=1, min=58, max=58}, 
ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_28}: DistributionResult{sum=41, 
count=1, min=41, max=41}, 
ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_23}: DistributionResult{sum=63, 
count=3, min=21, max=21}, 
ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_29}: DistributionResult{sum=33, 
count=1, min=33, max=33}, 
ref_PCollection_PCollection_1:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_2}: DistributionResult{sum=180, 
count=12, min=15, max=15}, 
ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_21}: DistributionResult{sum=57, 
count=3, min=19, max=19}, 
ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_20}: DistributionResult{sum=54, 
count=3, min=18, max=18}))
[flink-runner-job-invoker] INFO 
org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService
 - Manifest at 
/tmp/beam-artifact-staging/job_d632ce67-8f56-4036-a0a2-2a449966ecd1/MANIFEST 
has 0 artifact locations
[flink-runner-job-invoker] INFO 
org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactStagingService
 - Removed dir 
/tmp/beam-artifact-staging/job_d632ce67-8f56-4036-a0a2-2a449966ecd1/

> Task :sdks:python:crossLanguageTests

FAILURE: Build failed with an exception.

* Where:
Build file 
'<https://builds.apache.org/job/beam_PostCommit_Python_Verify/ws/src/sdks/python/build.gradle'>
 line: 133

* What went wrong:
Execution failed for task ':sdks:python:directRunnerIT'.
> Process 'command 'sh'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug 
option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with 
Gradle 6.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See 
https://docs.gradle.org/5.2.1/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 56m 56s
105 actionable tasks: 81 executed, 21 from cache, 3 up-to-date

Publishing build scan...
https://gradle.com/s/kbcjfyhonm7le

Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure

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