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https://issues.apache.org/jira/browse/PIG-188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xu Zhang updated PIG-188:
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Attachment: PigLoggingTest.cpp
> There seems to be some mismatches between the actual stderr log and what I
> expected
> -----------------------------------------------------------------------------------
>
> Key: PIG-188
> URL: https://issues.apache.org/jira/browse/PIG-188
> Project: Pig
> Issue Type: Bug
> Reporter: Xu Zhang
> Assignee: Arun C Murthy
> Attachments: PigLoggingTest.cpp
>
>
> With the following Pig script, I got streaming logs as shown below. The job
> for running this script is job_200804041056_0182. What PigLoggingTest does
> in this case is simply take tab delimited lines from STDIN and then output
> them to SDTOUT as tab delimited lines (so the same line comes in and out of
> PigLogginTest) after spitting out 10 STDERR messages. Also as shown in the
> UI of job_200804041056_0182, there were a total of 26 tasks (6 maps and 20
> reduces).
> From all these, I would expect the number of input records and output records
> to match in the log. Also, I would expect there to be 26 logs. In addition,
> since there was no error when running the script, all exit code should 0.
> However, there are actually only 6 logs. The number of input records and
> output records does not match. The logs show that some of the tasks exit
> with -127.
> In addition, the Input-split *** values in the logs do not make much sense to
> me:
> {quote}
> Input-split file: null
> Input-split start-offset: -1
> Input-split length: -1
> {quote}
> Here is Pig script:
> {code}
> define X `PigLoggingTest 10 t` ship('./cplusplus/PigLoggingTest')
> stderr('logging_test_1');
> A = load '/user/pig/tests/data/singlefile/studenttab10k' as (name, age, gpa);
> B = stream A through X;
> store B into 'logging_test_1';
> C = load 'logging_test_1/_logs/logging_test_1';
> store C into 'results_26';
> {code}
> Here are the logs:
> {noformat}
> ===== Task Information Header =====
> Command: PigLoggingTest 10 t
> Start time: Fri Apr 04 19:18:44 PDT 2008
> Input-split file: null
> Input-split start-offset: -1
> Input-split length: -1
> ===== * * * =====
> This is stderr message number 1
> This is stderr message number 2
> This is stderr message number 3
> This is stderr message number 4
> This is stderr message number 5
> This is stderr message number 6
> This is stderr message number 7
> This is stderr message number 8
> This is stderr message number 9
> This is stderr message number 10
> ===== Task Information Footer =====
> End time: Fri Apr 04 19:18:45 PDT 2008
> Exit code: 0
> Input records: 10000
> Input bytes: 1898380 bytes
> Output records: 4
> Output bytes: 219446 bytes (stdout using org.apache.pig.builtin.BinaryStorage)
> ===== * * * =====
> ===== Task Information Header =====
> Command: PigLoggingTest 10 t
> Start time: Fri Apr 04 19:31:34 PDT 2008
> Input-split file: null
> Input-split start-offset: -1
> Input-split length: -1
> ===== * * * =====
> This is stderr message number 1
> This is stderr message number 2
> This is stderr message number 3
> This is stderr message number 4
> This is stderr message number 5
> This is stderr message number 6
> This is stderr message number 7
> This is stderr message number 8
> This is stderr message number 9
> This is stderr message number 10
> ===== Task Information Footer =====
> End time: Fri Apr 04 19:31:36 PDT 2008
> Exit code: 0
> Input records: 10000
> Input bytes: 1898380 bytes
> Output records: 4
> Output bytes: 219446 bytes (stdout using org.apache.pig.builtin.BinaryStorage)
> ===== * * * =====
> ===== Task Information Header =====
> Command: ./cplusplus/PigLoggingTest 10 t
> Start time: Fri Apr 04 10:11:22 PDT 2008
> Input-split file: null
> Input-split start-offset: -1
> Input-split length: -1
> ===== * * * =====
> ===== Task Information Footer =====
> End time: Fri Apr 04 10:11:22 PDT 2008
> Exit code: -127
> Input records: 747
> Input bytes: 141796 bytes
> Output records: 0
> Output bytes: 0 bytes (stdout using org.apache.pig.builtin.BinaryStorage)
> ===== * * * =====
> ===== Task Information Header =====
> Command: ./cplusplus/PigLoggingTest 10 t
> Start time: Fri Apr 04 10:11:28 PDT 2008
> Input-split file: null
> Input-split start-offset: -1
> Input-split length: -1
> ===== * * * =====
> ===== Task Information Footer =====
> End time: Fri Apr 04 10:11:28 PDT 2008
> Exit code: -127
> Input records: 747
> Input bytes: 141796 bytes
> Output records: 0
> Output bytes: 0 bytes (stdout using org.apache.pig.builtin.BinaryStorage)
> ===== * * * =====
> ===== Task Information Header =====
> Command: ./cplusplus/PigLoggingTest 10 t
> Start time: Fri Apr 04 10:11:32 PDT 2008
> Input-split file: null
> Input-split start-offset: -1
> Input-split length: -1
> ===== * * * =====
> ===== Task Information Footer =====
> End time: Fri Apr 04 10:11:33 PDT 2008
> Exit code: -127
> Input records: 747
> Input bytes: 141796 bytes
> Output records: 0
> Output bytes: 0 bytes (stdout using org.apache.pig.builtin.BinaryStorage)
> ===== * * * =====
> ===== Task Information Header =====
> Command: ./cplusplus/PigLoggingTest 10 t
> Start time: Fri Apr 04 10:11:37 PDT 2008
> Input-split file: null
> Input-split start-offset: -1
> Input-split length: -1
> ===== * * * =====
> ===== Task Information Footer =====
> End time: Fri Apr 04 10:11:37 PDT 2008
> Exit code: -127
> Input records: 747
> Input bytes: 141796 bytes
> Output records: 0
> Output bytes: 0 bytes (stdout using org.apache.pig.builtin.BinaryStorage)
> ===== * * * =====
> {noformat}
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