I am reading data from kafka in Java to perform some processing in Apache Flink and sink the results. I have the kafka topic topic_a which has some d ...
I am reading data from kafka in Java to perform some processing in Apache Flink and sink the results. I have the kafka topic topic_a which has some d ...
I know that flink is able to consume multiple topics using regular expression as enter link description here. I have the following topic name such as ...
I am running Apache Flink v1.14 on the server which does some pre-processing on the data that is reads from Kafka. I need it to write the results to O ...
I have a job which is running with old flink Kafka consumer ( FlinkKafkaConsumer ) Now I want to migrate it to KafkaSource . But I am not sure what wi ...
This is the first time I use flink, after I downloaded https://dlcdn.apache.org/flink/flink-1.16.0/flink-1.16.0-bin-scala_2.12.tgz from the website an ...
In Spark, we have MapPartition function, which is used to do some initialization for a group of entries, like some db operation. Now I want to do the ...
From official doc, it says Flink support minor version upgrade - restoring a snapshot taken with an older minor version of Flink (1.x → 1.y).. Q1. Do ...
I'm using the Apache Flink Kubernetes operator to deploy a standalone job on an Application cluster setup. I have setup the following files using the ...
Problem: Flink task manager reports: apache.kafka.common.errors.TimeoutException: Timeout expired while fetching topic metadata Deployment overview: ...
. Answers to this question are eligible for a +50 reputation bounty. Ri ...
"For example, with an event-time-based windowing strategy that creates non-overlapping (or tumbling) windows every 5 minutes and has an allowed latene ...
Lets assume that I have an input DataStream and want to implement some functionality that requires "memory" so I need ProcessFunction that gives me ac ...
I'm having issues understanding why my flink job commits to kafka consumer is taking so long. I have a checkpoint of 1s and the following warning appe ...
I have Apache Flink job for parsing csv-files which works fine in from IntelliJ IDEA on Windows. But when I put my job (jar) in docker-container Apach ...
I am unable to start a Flink JobManager Docker container on M1 MacBook running Monterey. Below is the docker command pulled from the Flink Docs and th ...
Let's say we have an EventTimeSlidingWindow with an EventTime trigger based on some watermark. If the watermark is generated very infrequently, say ev ...
I am trying to using flink sql to read data from kafka topic. We have a pattern where, if payload size if greater than 1MB, we upload the payload to s ...
We have about 500 million drivers in 12 timezones. We send different communications such as their earnings report, new promotions, policy change updat ...
I am creating a Flink application that reads strings from a Kafka topic for example "2 5 9" is a value. Then split the string with " " delimiter and c ...
I have created a springboot code to use an API so that I can fetch the flink results when the user hits the endpoint. static Map<String, Long> ...