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Title | Views | Posted |
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1447 | 09-22-2017 07:13 PM |
10-17-2017
05:11 PM
Hi All, I am merging the events from log source using a merge Content processor, and putting it to PutHDFS. PutHDFS writes using the filename uuid_date0901417, I need to change this filename to a more user friendly name. I researched a little bit I found this link http://apache-nifi.1125220.n5.nabble.com/Best-way-to-generate-a-new-filename-td8835.html But refering this link I could change only the directory structure according to date. I am not able to use the Updateattribute processor correctly to change the filename. How do I proceed, create a property in updateAttribute procesor and the give an expression language containing userfriendlyname_datetime. How will this EL look like? Thanks Dhiren
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Apache NiFi
10-12-2017
12:41 AM
@avoma thanks for the reply, appreciate your help. This helps however to my understanding getTCP pulls the data from endpoints and listenTCP reads that data which pushed to that nifi node am I correct? Please help
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10-11-2017
10:48 PM
Hi All, Thanks I was trying to understand the difference between LIstenTCP and GetTCP, my understanding is that getTCP pulls tha data and listenTCP we have to push the data, is there any other difference? Thanks
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Apache NiFi
10-10-2017
12:21 PM
@Shu Thanks a lot, this helps
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10-09-2017
10:22 PM
Hi All. Thanks for the help Working on PutHDFS, the NiFi is running on HDF cluster. I read that we need give the location of hdfs-site.xml and core-site.xml. Do I need to manually copy these xml config files over to HDF cluster and give the location? or is there any other way? We have HDP cluster running and HDF cluster running. If i have to manually copy these files over to HDF cluster, is there a standard practice for it? question1.png Thanks All
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Apache NiFi
10-03-2017
05:45 PM
@Matt Clarke Thanks for the quick response,I would raise the JIRA request, here is the enhancement request https://issues.apache.org/jira/browse/NIFI-4458
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10-03-2017
05:14 PM
@mel mendoza Thanks for the help. Unfortunately all the CSV files have different columns.
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10-03-2017
05:08 PM
Hi All, I have a ListenTCP processor, I was able to use NiFi expression language for Local interface name but not for port number, it said Expression language support False, is there anyway I can read port number from a custom properties file Thanks
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Apache NiFi
10-02-2017
10:51 PM
Hi All, I have been creating Hive tables from CSV files manually copying the column names and pasting in a Hive create table script. However I have at least 300 CSV files. I don want to repeat the same process for 300 times. Is there anyway I can autmatically create hive table creation script using the column headers as column names? Thanks in advance
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Apache Hadoop
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Apache Hive