1973
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1225
Kudos Received
124
Solutions
My Accepted Solutions
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779 | 04-03-2024 06:39 AM | |
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1923 | 03-29-2023 01:22 PM |
02-26-2021
06:32 AM
if you add the custom timestamp to the reader and writers it should do this automatically for all timestamp fields
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02-24-2021
09:25 AM
Add a schema and record reader and writer. You can use UpdateRecord or QueryRecord to tweak formatting if needed examples https://www.datainmotion.dev/2020/11/flank-smart-weather-applications-with.html https://www.datainmotion.dev/2021/01/flank-real-time-transit-information-for.html https://www.datainmotion.dev/2021/01/flank-using-apache-kudu-as-cache-for.html https://www.datainmotion.dev/2020/12/smart-stocks-with-flank-nifi-kafka.html
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02-23-2021
07:12 AM
1 Kudo
I have downloaded 10,000 processor flows. It could be your local workstation or firewall. Also for future notice, templates will be removed. Please use NiFi registry. https://www.datainmotion.dev/2019/11/nifi-toolkit-cli-for-nifi-110.html https://www.datainmotion.dev/2020/10/automating-building-migration-backup.html
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02-22-2021
07:07 AM
1 Kudo
New Features of Apache NiFi 1.13.0
Check it out: https://twitter.com/pvillard31/status/1361569608327716867?s=27
Download today: Apache NiFi Downloads
Release Notes: Release Notes (Apache NiFi)
Migration: Migration Guidance
New Features
ListenFTP
UpdateHiveTable - Hive DDL changes - Hive Update Schema i.e. Data Drift i.e. Hive Schema Migration!!!!
SampleRecord - different sampling approaches to records (Interval Sampling, Probabilistic Sampling, Reservoir Sampling)
CDC updates
Kudu updates
AMQP and MQTT integration upgrades
ConsumeMQTT - readers, and writers added
HTTP access to NiFi by default is now configured to accept connections to 127.0.0.1/localhost only. If you want to allow broader access for some reason for HTTP, and you understand the security implications, you can still control that as always by changing the 'nifi.web.http.host' property in nifi.properties as always. That said, take the time to configure proper HTTPS. We offer detailed instructions and tooling to assist.
ConsumeMQTT - add record reader/writer
The ability to run NiFi with no GUI as MiNiFi/NiFi combined code base continues.
Support for Kudu dates
Updated GRPC versions
Apache Calcite update
PutDatabaseRecord update
Here is an example for NiFi ETL Flow:
Example NiFi 1.13.0 Flow:
ConsumeMQTT: now with readers
UpdateAttribute: set record.sink.name to kafka and recordreader.name to json.
SampleRecord: sample a few of the records
PutRecord: Use reader and destination service
UpdateHiveTable: new sink
Consume from MQTT and read and write to/from records.
Some example attributes from a running flow:
Connection pools for DatabaseRecordSinks can be JDBC, Hadoop, and Hive.
FreeFormTextRecordSetWriter is great for writing any format.
RecordSinkService, we will pick Kafka as our destination.
KafkaRecordSink from PutRecord
The reader will pick JSON in our example based on our UpdateAttribute; we can dynamically change this as data streams.
ReaderLookup - lets you pick a reader based on an attribute.
We have defined readers for Parquet, JSON, AVRO, XML, and CSV; no matter the type, I can automagically read it. Great for reusing code and great for cases like our new ListenFTP where you may get sent tons of different files to process. Use one FLOW!
RecordSinkService can help you make all our flows generic so you can drop in different sinks/destinations for your writers based on what the data coming in is. This is revolutionary for code reuse.
We can write our output in a custom format that could look like a document, HTML, fixed-width, a form letter, weird delimiter, or whatever you need.
Sample records using different methods.
We use the RecordSinkServiceLookup to allow us to change our sink location dynamically; we are passing in an attribute to choose Kafka.
We have pushed our data to Kafka using KafkaRecordSink. We can see our data easily in Streams Messaging Manager (SMM).
With a RecordReaderFactory, you can pick readers like the new WindowsEventLogReader.
As another output, we can UpdateHiveTable from our data and change the table as needed.
Straight From Release Notes: New Feature
[NIFI-7386] - AzureStorageCredentialsControllerService should also connect to storage emulator
[NIFI-7429] - Add Status History capabilities for system-level metrics
[NIFI-7549] - Adding Hazelcast based implementation for DistributedMapCacheClient
[NIFI-7624] - Build a ListenFTP processor
[NIFI-7745] - Add a SampleRecord processor
[NIFI-7796] - Add Prometheus metrics for total bytes received and bytes sent for components
[NIFI-7801] - Add acknowledgment check to Splunk
[NIFI-7821] - Create a Cassandra implementation of DistributedMapCacheClient
[NIFI-7879] - Create record path function for UUID v5
[NIFI-7906] - Add graph processor with the flexibility to query graph database conditioned on flowfile content and attributes
[NIFI-7989] - Add Hive "data drift" processor
[NIFI-8136] - Allow State Management to be tied to Process Session
[NIFI-8142] - Add "on conflict do nothing" feature to PutDatabaseRecord
[NIFI-8146] - Allow RecordPath to be used for specifying operation type and data fields when using PutDatabaseRecord
[NIFI-8175] - Add a WindowsEventLogReader
An update on Cloudera Flow Management!
Cloudera Flow Management on DataHub Public Cloud
This minor update has some Schema Registry and Atlas integration updates.
What's New in Cloudera DataFlow for Data Hub 7.2.7
Supported NiFi Processors
If that wasn't enough, a new version of MiNiFi C++ Agent!
Cloudera Edge Manager 1.2.2 Release
February 15, 2021
CEM MiNiFi C++ Agent - 1.21.01 release includes:
Support for JSON output in the Consume Windows Even Log processor
Full Expression Language support on Windows
Full S3 support (List, Fetch, Get, Put)
MiNiFi C++ download locations
MiNiFi C++ agent updates
Remember when you are done.
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02-22-2021
07:00 AM
most file formats can be extracted via tika https://community.cloudera.com/t5/Community-Articles/ExtractText-NiFi-Custom-Processor-Powered-by-Apache-Tika/ta-p/249392
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02-22-2021
06:59 AM
Lookup the proper java regex you need https://examples.javacodegeeks.com/core-java/util/regex/list-files-with-regular-expression-filtering/ https://www.freeformatter.com/java-regex-tester.html https://regexr.com/
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02-22-2021
06:57 AM
1 Kudo
that is not supported. You could fork the processors and add that if you need it.
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02-22-2021
06:53 AM
1 Kudo
that depends on default session that Oracle JDBC driver settings. it's usually utf-8 though
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02-22-2021
06:51 AM
Is this one node of NiFi or a cluster? remember NiFi is case sensitive and windows could have case issues on file names. you need to put a minimum file age and size on there so it doesn't try to process something before it's done being written to
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02-22-2021
06:49 AM
Command path: C:\Temp\activate.bat get rid of the rest
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