- How do I know if zookeeper is running?
- What can I monitor with Kafka?
- How much data Kafka can handle?
- Where is Kafka data stored?
- Does Kafka store data?
- Which port is Kafka running on?
- How do I check Kafka server logs?
- How do I monitor Kafka performance?
- Can Kafka run without zookeeper?
- How fast is Kafka?
- How do I delete old Kafka logs?
How do I know if zookeeper is running?
Zookeeper process runs on infra VM’s.
To start the zookeeper service use command: /usr/share/zookeeper/bin/zkServer.sh start.To check whether process is running: ps -ef | grep zookeeper.Errorlogs can be checked in Infra nodes: /var/log/zookeeper/zookeeper.log.
Check the free memory: free -mh.More items…•.
What can I monitor with Kafka?
Key Kafka metrics to monitorMessages in/out.Network handler idle time.Request handler idle time.Under-Replicated partitions.Leader Elections.CPU idle time.Host Network in/out.
How much data Kafka can handle?
1 Answer. There is no limit in Kafka itself. As data comes in from producers it will be written to disk in file segments, these segments are rotated based on time (log. roll.
Where is Kafka data stored?
dir in server. properties is the place where the Kafka broker will store the commit logs containing your data. Typically this will your high speed mount disk for mission critical use-cases.
Does Kafka store data?
The answer is no, there’s nothing crazy about storing data in Kafka: it works well for this because it was designed to do it. Data in Kafka is persisted to disk, checksummed, and replicated for fault tolerance. Accumulating more stored data doesn’t make it slower.
Which port is Kafka running on?
port 9092The Kafka broker will listen on port 9092.
How do I check Kafka server logs?
The default log directory is /var/log/kafka . You can view, filter, and search the logs using Cloudera Manager. See Logs for more information about viewing logs in Cloudera Manager. You can view, filter, and search this log using Cloudera Manager.
How do I monitor Kafka performance?
Top 10 Kafka Metrics to Focus on FirstNetwork Request Rate. … Network Error Rate. … Under-replicated Partitions. … Offline Partition Count. … Total Broker Partitions. … Log Flush Latency. … Consumer Message Rate. … Consumer Max Lag.More items…•
Can Kafka run without zookeeper?
You can not use kafka without zookeeper. … So zookeeper is used to elect one controller from the brokers. Zookeeper also manages the status of the brokers, which broker is alive or dead. Zookeeper also manages all the topics configuration, which topic contains which partitions etc.
How fast is Kafka?
Kafka in its default configuration is faster than Pulsar in all latency benchmarks, and it is faster up to p99. 9 when set to fsync on every message.
How do I delete old Kafka logs?
To delete manually:Shutdown the cluster.Clean kafka log dir (specified by the log. dir attribute in kafka config file ) as well the zookeeper data.Restart the cluster.