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From Fero Szabo via Review Board <nore...@reviews.apache.org>
Subject Review Request 67675: SQOOP-3332 Extend Documentation of --resilient option
Date Fri, 22 Jun 2018 10:22:28 GMT

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Review request for Sqoop, Boglarka Egyed, daniel voros, and Szabolcs Vasas.

Bugs: SQOOP-3332

Repository: sqoop-trunk


This is the documentation part of SQOOP-3333.


  src/docs/user/connectors.txt f1c7aebe 
  src/java/org/apache/sqoop/manager/SQLServerManager.java c98ad2db 
  src/java/org/apache/sqoop/manager/SqlServerManagerContextConfigurator.java cf58f631 

Diff: https://reviews.apache.org/r/67675/diff/1/


Unit tests, 3rdparty tests, ant docs.

I've also investigated how export and import works: 

Import has it's retry mechanism in org.apache.sqoop.mapreduce.db.SQLServerDBRecordReader#nextKeyValue
In case of error, it re-calculates the db query, thus the implicit requirements

Export has it's retry loop in org.apache.sqoop.mapreduce.SQLServerAsyncDBExecThread#write
It doesn't recalculate the query, thus is a lot safer.


Fero Szabo

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