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166
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168
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06-21-2016
03:39 PM
@cnormile In case of a disaster if dr becomes primary what needs to be changed? Is there any document elaborating this? What happens if we schedule this for off peak and the primary fails in peak hours. will that data be lost?
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06-21-2016
03:25 PM
3 Kudos
Hi, What are the best practices/guidelines for solr replication across data-centers (primary and dr)? I did found Cross Data Center Replication feature for solr 6.0. Has anyone used it successfully in production environment? Thanks for looking.
Raj
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Apache Falcon
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Apache Solr
06-21-2016
03:18 PM
2 Kudos
The requirement is Avro file needs to be replicated between two datacenter (primary and dr). Does Falcon supports it out of the box? If no is what is the best way to go about it? Thanks for taking a look. Raj
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Apache Falcon
05-10-2016
11:20 PM
@Kaliyug Antagonist Good question. Try this is your sqoop argument: --map-column-java id=NVARCHAR,value=VARCHAR There is another option while creating hive tables from sqoop: --map-column-hive id=NVARCHAR,value=VARCHAR(n) **Choose your n. Thanks
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05-10-2016
05:09 PM
2 Kudos
@simran kaur Please do the following and let me know if it works: 1. Copy /usr/share/java/mysql-connector-java.jar to /user/oozie/share/lib/lib_{20160430195631}/sqoop 2. Restart all oozie components. 4. Change --export-dir to --warehouse-dir in the workflow 3. Check the permission on /user/hive/warehouse/sbl. If possible point it to /tmp for testing. Rerun the oozie workflow. Please let us know if this works. Thanks
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05-10-2016
05:26 AM
1 Kudo
@Kaliyug Antagonist You should use varchar as much as possible. Because 1. Silent truncate in string. 2. String by default maps to varchar (32762). For smaller columns this might lead to performance issue. Thanks
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05-09-2016
05:39 AM
@piotr pruski Nice question. Would help a lot of people in the community. Thank you.
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05-08-2016
04:23 PM
3 Kudos
Hi, @mpandit You can check the following post: https://community.hortonworks.com/questions/28500/best-practices-for-securing-data-ingestion-through.html#answer-28579 It will provide you with more insights. Thanks
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05-06-2016
07:18 PM
2 Kudos
@simran kaur Please list the content of your shared lib: hdfs dfs -ls /user/oozie/share/lib/lib_{20160430195631} hdfs dfs -ls -R /user/oozie/share/lib/lib_{20160430195631}/oozie I can check with my installation if there is any missing jar.
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