Bilwa S T created MAPREDUCE-7353:
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Summary: Mapreduce job fails when NM is stopped
Key: MAPREDUCE-7353
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7353
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Bilwa S T
Assignee: Bilwa S T
Job fails as task fail due to too many fetch failures
{code:java}
Line 48048: 2021-06-02 16:25:02,002 | INFO | ContainerLauncher #6 | Processing
the event EventType: CONTAINER_REMOTE_CLEANUP for container
container_e03_1622107691213_1054_01_000005 taskAttempt
attempt_1622107691213_1054_m_000000_0 | ContainerLauncherImpl.java:394
Line 48053: 2021-06-02 16:25:02,002 | INFO | ContainerLauncher #6 |
KILLING attempt_1622107691213_1054_m_000000_0 | ContainerLauncherImpl.java:209
Line 58026: 2021-06-02 16:26:34,034 | INFO | AsyncDispatcher event
handler | TaskAttempt killed because it ran on unusable node
node-group-1ZYEq0002:26009. AttemptId:attempt_1622107691213_1054_m_000000_0 |
JobImpl.java:1401
Line 58030: 2021-06-02 16:26:34,034 | DEBUG | AsyncDispatcher event
handler | Processing attempt_1622107691213_1054_m_000000_0 of type TA_KILL |
TaskAttemptImpl.java:1390
Line 58035: 2021-06-02 16:26:34,034 | INFO | RMCommunicator Allocator
| Killing taskAttempt:attempt_1622107691213_1054_m_000000_0 because it is
running on unusable node:node-group-1ZYEq0002:26009 |
RMContainerAllocator.java:1066
Line 58043: 2021-06-02 16:26:34,034 | DEBUG | AsyncDispatcher event
handler | Processing attempt_1622107691213_1054_m_000000_0 of type TA_KILL |
TaskAttemptImpl.java:1390
Line 58054: 2021-06-02 16:26:34,034 | DEBUG | AsyncDispatcher event
handler | Processing attempt_1622107691213_1054_m_000000_0 of type
TA_DIAGNOSTICS_UPDATE | TaskAttemptImpl.java:1390
Line 58055: 2021-06-02 16:26:34,034 | INFO | AsyncDispatcher event
handler | Diagnostics report from attempt_1622107691213_1054_m_000000_0:
Container released on a *lost* node | TaskAttemptImpl.java:2649
Line 58057: 2021-06-02 16:26:34,034 | DEBUG | AsyncDispatcher event
handler | Processing attempt_1622107691213_1054_m_000000_0 of type TA_KILL |
TaskAttemptImpl.java:1390
Line 60317: 2021-06-02 16:26:57,057 | INFO | AsyncDispatcher event
handler | Too many fetch-failures for output of task attempt:
attempt_1622107691213_1054_m_000000_0 ... raising fetch failure to map |
JobImpl.java:2005
Line 60319: 2021-06-02 16:26:57,057 | DEBUG | AsyncDispatcher event
handler | Processing attempt_1622107691213_1054_m_000000_0 of type
TA_TOO_MANY_FETCH_FAILURE | TaskAttemptImpl.java:1390
Line 60320: 2021-06-02 16:26:57,057 | INFO | AsyncDispatcher event
handler | attempt_1622107691213_1054_m_000000_0 transitioned from state
SUCCESS_CONTAINER_CLEANUP to FAILED, event type is TA_TOO_MANY_FETCH_FAILURE
and nodeId=node-group-1ZYEq0002:26009 | TaskAttemptImpl.java:1411
Line 69487: 2021-06-02 16:30:02,002 | DEBUG | AsyncDispatcher event
handler | Processing attempt_1622107691213_1054_m_000000_0 of type
TA_DIAGNOSTICS_UPDATE | TaskAttemptImpl.java:1390
Line 69527: 2021-06-02 16:30:02,002 | INFO | AsyncDispatcher event
handler | Diagnostics report from attempt_1622107691213_1054_m_000000_0:
cleanup failed for container container_e03_1622107691213_1054_01_000005 :
java.net.ConnectException: Call From node-group-1ZYEq0001/192.168.0.66 to
node-group-1ZYEq0002:26009 failed on connection exception:
java.net.ConnectException: Connection refused; For more details see:
http://wiki.apache.org/hadoop/ConnectionRefused
Line 69607: 2021-06-02 16:30:02,002 | DEBUG | AsyncDispatcher event
handler | Processing attempt_1622107691213_1054_m_000000_0 of type
TA_CONTAINER_CLEANED | TaskAttemptImpl.java:1390
Line 69609: 2021-06-02 16:30:02,002 | DEBUG | AsyncDispatcher event
handler | Processing attempt_1622107691213_1054_m_000000_0 of type
TA_CONTAINER_CLEANED | TaskAttemptImpl.java:1390
Line 73645: 2021-06-02 16:23:56,056 | DEBUG | fetcher#9 | Fetcher 9
going to fetch from node-group-1ZYEq0002:26008 for:
[attempt_1622107691213_1054_m_000000_0] | Fetcher.java:318
Line 73646: 2021-06-02 16:23:56,056 | DEBUG | fetcher#9 | MapOutput URL
for node-group-1ZYEq0002:26008 ->
http://node-group-1ZYEq0002:26008/mapOutput?job=job_1622107691213_1054&reduce=4&map=attempt_1622107691213_1054_m_000000_0
| Fetcher.java:686
Line 74093: 2021-06-02 16:26:56,056 | INFO | fetcher#9 | Reporting
fetch failure for attempt_1622107691213_1054_m_000000_0 to MRAppMaster. |
ShuffleSchedulerImpl.java:349
{code}
As we can see from logs that RM reported AM about node update at 16:26:34 but
event was skipped as KILL event is ignored when TaskAttemptImpl is in
SUCCESS_CONTAINER_CLEANUP state. So next we receive TA_TOO_MANY_FETCH_FAILURE
event which will lead to task fail.
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