kafka-monitor | Service that reads and reports Kafka topic lag | Plugin library
kandi X-RAY | kafka-monitor Summary
kandi X-RAY | kafka-monitor Summary
Service that reads and reports Kafka topic lag
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Top functions reviewed by kandi - BETA
- This method retrieves metrics for the kafka offsets
- Gets the offsets for a given topic
- Creates a snapshot of the current stats
- Return the current average rate
- Read a topic from the broker
- Called when an offset has been changed
- Updates an offset
- Updates the offset and commitTime
- Read a topic from the tracker
- Creates an Offset object from a byte array
- Reads a string from the buffer
- Returns true if the key and value pair should be included
- Bind classes
- Returns a String representation of the elapsed time
- Initialize consumers
- Initialize the consumers
- Read a topic
- Returns true if this instance equals the given offset
- Internal start
- Install the given application
- Creates a deep copy of this group stats
- Start the Kafka consumer
- Initialize the Kafka consumer
- Internal stop
- Provides default configuration
- Main method
kafka-monitor Key Features
kafka-monitor Examples and Code Snippets
Community Discussions
Trending Discussions on kafka-monitor
QUESTION
I am using Kubernetes to deploy my grafana dashboard and I am trying to use Kubernetes Secrets for saving grafana admin-password .. Here is my yaml file for secret
...ANSWER
Answered 2020-May-08 at 08:36As mentioned in @Pratheesh comment, after deploy the grafana for the first time, the persistent volume was not deleted/recreated and the file grafana.db that contains the Grafana dashboard password still keeping the old password.
In order to solve, the PersistentVolume (pv) need to be deleted before apply the secret with the new password.
QUESTION
I would like to write an mutating webhook to add a default ingress class to all ingress object, that do not explicitly provide one.
According to the examples I found I need to provide a proper json patch for the webhook to return.
I first tried my patches using kubectl:
...ANSWER
Answered 2019-Apr-08 at 14:10Replace the forward slash (/) in kubernetes.io/ingress.class with ~1.
Your command should look like this,
QUESTION
I am running 3 nodes Kafka cluster on Windows Server 2019. I have set the default retention time to 72 hours. All was working fine for some days but once in a while, I am getting the following exception which causes the Kafka Broker shutting down.
...ANSWER
Answered 2020-Mar-21 at 07:18One workaround would be to install HyperV and run Kafka there as a Linux process
Other solutions include Docker or buying new servers
Fact of the matter is that there's no workaround for Windows file management until the ticket is addressed
QUESTION
I am unable to use JMX exporter to expose kafka metrics. Can you look at my steps and correct me where needed.? I am following steps here to enable kafka with JMX exporter.
Following are step by step instruction I followed
...ANSWER
Answered 2019-Oct-29 at 18:18From the looks of your question, you put the variables on their own lines, while the blog has them on the same line...
e.g. This is how to start the Kafka server
KAFKA_HEAP_OPTS='"-Xmx1000M -Xms1000M"' KAFKA_OPTS='-javaagent:/opt/kafka/prometheus/jmx_prometheus_javaagent-0.3.0.jar=7071:/opt/kafka/prometheus/kafka-0–8–2.yml' JMX_PORT=7081 /opt/kafka/bin/kafka-server-start.sh /opt/kafka/config/server.properties
Otherwise, you need to export the variables so the sub-process will pick them up like you did in your previous question, which seemed to be working fine for exposing the metrics
QUESTION
I have set up an Apache Storm cluster locally and submitted a topology as well which is visible in the Storm UI. Once everything is up and running I am getting the following exception in ui.log file. The error is somewhat related to storm-kafka-monitor which is a bash script and I am running this on windows.
Any help will be highly appreciated. Thanks in advance :)
ANSWER
Answered 2018-Jun-05 at 15:14As you note the script is a bash file. The feature (showing how far behind the log end offset the spout is in Storm UI) doesn't work on Windows currently. It's a little inconvenient, but it shouldn't prevent your topologies from working correctly.
If you want to know how far behind the log end offset the spout is, you can use the kafka-consumer-groups.bat script on one of your Kafka machines instead. If you're using the storm-kafka-client spout, the spout lag is also part of the metrics provided by that component.
I'm hoping we can get rid of storm-kafka-monitor at some point (it has some other issues https://issues.apache.org/jira/browse/STORM-2600), but until then, if you'd like to try providing Windows compatibility, you'd need to port https://github.com/apache/storm/blob/master/bin/storm-kafka-monitor to cmd/powershell, and modify https://github.com/apache/storm/blob/4137328b75c06771f84414c3c2113e2d1c757c08/storm-core/src/jvm/org/apache/storm/utils/TopologySpoutLag.java#L146 so it calls either the Windows or bash script depending on OS.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install kafka-monitor
You can use kafka-monitor like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the kafka-monitor component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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