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04-11-2016
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04-22-2016
04:07 PM
No. Unless you get back your encrypted data from your encryption zones before uninstalling Ranger KMS, the encrypted data will not be readable. The reason is that for each file stored in an encryption zone, Ranger KMS stores a DEK (Data Encryption Key) which is needed to decrypt your data. In conclusion, your data will remain on HDFS but it will remain encrypted.
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04-22-2016
03:47 PM
Hi, Not sure to understand your question. If you enable KMS, you will have the availability to create encryption zones (in other words directories) in HDFS where stored file will be encrypted. If then you uninstall the KMS plugin, encryption zone (and associated files) will remain unchanged and the data will not be readable.
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04-21-2016
11:27 AM
3 Kudos
Hi Wellington, There are few examples out there to use the Twitter API with Storm. You should have a look to Hortonworks tutorials (like this one http://hortonworks.com/hadoop-tutorial/ingesting-processing-real-time-events-apache-storm/) to have explained and comprehensive examples using the sandbox. If you only want simple code examples, you will find a lot by searching for "github twitter storm" on the internet. A possible example is: https://github.com/pvillard31/storm-twitter But there are a lot of possibilities depending on how you want to use the Twitter API. For example, you will find some examples that leverages the Trident API in Storm. Hope that helps!
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04-20-2016
09:36 AM
I'd suggest you to have a look at this post: http://funnifi.blogspot.co.uk/2016/02/executescript-processor-replacing-flow.html It'll show you how to play around with the flow file content using ExecuteScript processor. Once you have your full string, you can put it as an attribute of the FlowFile or keep it as new content (it depends of what you have in mind). Hope that helps.
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04-20-2016
08:35 AM
Hi Sunile, I believe unix groups are not created during AD/LDAP sync with Ranger, however I think that if a policy cannot be checked with AD/LDAP, it will then be checked against unix groups before failing.
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04-18-2016
07:23 PM
What do you mean by on-demand basis?
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04-15-2016
05:18 PM
As an indication, when you are in the NiFi UI, you have an "about" link at the top-right, it should let you know which version of NiFi is running.
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04-15-2016
06:16 AM
Hi Pradeep, NiFi is running on Windows. As far as I know, I don't see any reason why this tutorial wouldn't work on Windows Azure.
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04-14-2016
05:52 PM
One option would be to get the content of your Hive table using a processor as the content of your FlowFile, then you could use an ExecuteScript processor to transform the content of your FlowFile as a string listing your usernames (screen_name=user1,user2,etc) and update the 'target' attribute as currently used at the begining of your current data flow.
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04-14-2016
09:19 AM
3 Kudos
Hi John, I would recommend you reading this post : http://funnifi.blogspot.fr/2016/02/invokescriptedprocessor-hello-world.html
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