Several tools/scripts are included in the bin directory of the Apache Kafka binary installation. …

The phrase “deep storage” refers to the long-term storage system used by Apache Druid, where past data segments are preserved for durability and retrieval in the future. Druid stores data in files called segments and deep storage is the place where segments are stored. Despite Druid’s seamless integration with Apache…

A real-time analytics database called Apache Druid is developed for quick slice-and-dice analysis on massive data volumes. The best data for Apache Druid is event-oriented and frequently utilized as the database backend for analytical application GUIs and for highly concurrent APIs that require quick aggregations. …

To get more clarity about ISR in Apache Kafka, We should first carefully examine the replication process in the Kafka broker. In short, replication means having multiple copies of our data spread across multiple brokers. Maintaining the same copies of data in different brokers makes possible the high availability in…

Any trustworthy data streaming pipeline needs to be able to identify and handle faults. Exceptionally while IoT devices ingest endlessly critical data/events into permanent persistence storage like RDBMS for future analysis via multi-node Apache Kafka cluster. (Please click here to read how to setup multi-node Apache Kafka Cluster). There could…

In today’s M2M (Machine to machine) communications landscape, there is a huge requirement for streaming the digital data from heterogeneous IoT devices to the various RDBMS for further analysis via the dashboard, triggering different events to perform numerous actions. To support the above scenarios Apache Kafka acts like a central…

Resolved “ERROR Fatal error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer)kafka.common.InconsistentClusterIdException:” This short article explains how to resolve the error “ERROR Fatal error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer)kafka.common.InconsistentClusterIdException:” when we start the Apache Kafka installed and configured on a multi-node cluster. You can read here the steps for setting up multi-node Apache Kafka cluster. Without integrating Apache Zookeeper, Kafka…

As a bird’s eye view, Apache Zookeeper has been leveraged to get coordination services for managing distributed applications. Holds responsibility for providing configuration information, naming, synchronization, and group services over large clusters in distributed systems. To consider as an example, Apache Kafka uses Zookeeper for choosing their leader node for…

Overcome LEADER_NOT_AVAILABLE error on Multi-Broker Apache Kafka Cluster Kafka Connect assumes a significant part in streaming data between Apache Kafka and other data systems. As a tool, it holds the responsibility of a scalable and reliable way to move the data in and out of Apache Kafka. …