Low risk, high impact on billing — I think you will agree with me, that reducing the AWS ebs price by 20%, is the low-risk activity of changing the EBS volume type. I found this interesting and easy when I implemented it for my clients. This no-nonsense guide will help you change ebs volume type from gp2…

Get the under-replicated-partitions docker run --net=host --rm confluentinc/cp-kafka:4.0.0 kafka-topics --zookeeper 192.31.1.1:22181 --describe --under-replicated-partitions Output Topic: country Partition: 0 Leader: 1 Replicas: 1,2 Isr: 1 Topic: geodata Partition: 0 Leader: 1 Replicas: 1,2 Isr: 1 Topic: workspace Partition: 0 Leader: 1 Replicas: 1,2 Isr: 1 There are three topics that have the issue with…

What is a Controller? The controller is one of the Kafka brokers, usually behaves like a normal broker, and has a controlling capability of managing partition state and replicas and reassignment of the partition. How to get the currently active controller? Zookeeper is the storage of the Kafka cluster, who elects the controller node either at the beginning of the cluster setup or when the controller node crashes. Here is the command to get the controller

The container uses and generates data folders that are available for the container but not to the host machine. When the container gets restarted or crashed the data generated inside is deleted permanently. Docker volume is a process of saving the data to the host machine from the container. Docker Volume COPY | Docker data one time copy Get…

Fix the FORBIDDEN Read-Only / Allow Delete Error for Elasticsearch API Requests Elasticsearch considers the available disk space on a node before deciding whether to allocate new shards to that node or to actively relocate shards away from that node. Elasticsearch reads the disk space, makes all the indices into…

Clean Code — SOLID Principles Robert Cecil Martin is also known as Uncle Bob Martin — SOLID Summary of ‘Clean code’ by Robert C. Martin Clean Code PDF Clean Code Java SOLID Java Examples Clean Code Javascript Clean Code Typescript Clean Code .Net Clean Code Ruby Clean Code All Resources

Below are the few queries which we search on the internet related to Cassandra, can be answered with a link below Data loss in Cassandra Quorum Consistency in Cassandra How to define read and write consistency in Cassandra How to illustrate Quorum Formula's example with calculating quorum is `N /…

git vs GitHub | git vs Bitbucket | git vs Gitlab Is there a thing that we can compare git with GitHub? Is this possible to compare? According to my understanding, there is no such comparison between git and Github/Bitbucket/Gitlab. Why? Just follow with me on this post Git Git is…