What is Elasticsearch and use cases of Elasticsearch?
What is Elasticsearch? Elasticsearch is an open-source, distributed search and analytics engine built on top of Apache Lucene. It provides a powerful and scalable solution for searching, analyzing, and visualizing…
Read more »What is ELK Stack and use cases of ELK Stack?
What is ELK Stack? The ELK Stack, also known as the Elasticsearch, Logstash, and Kibana Stack, is a powerful set of open-source tools used for log and data analytics. Each…
Read more »Top 50 Elasticsearch Interview Questions and Answers
Explain in brief about Elasticsearch? Elasticsearch Apache Lucene search engine is a database that stores retrieve and manages document-oriented and semi-structured data. It provides real-time search and analytics for structured…
Read more »
Elasticsearch-ELK Errors and Solutions Database
Elastic Search Error – Node is started with node.data=false, but has shard data Elastic Search Error – max virtual memory areas vm.max_map_count [65530] is too low, increase to at least…
Read more »ElasticSearch Error – filebeat – filebeat.yml – did not find expected key
Errors Solutions Check filebeat.yml: Only one file beat output is supported …check #output.elasticsearch is comments
Read more »ElasticSearch Error – filebeat – filebeat.yml – more than one namespace configured accessing ‘output’
Errors Answer Check output.logstash in filebeat.yml: should be uncommented.
Read more »ElasticSearch Error – this can cause resize pauses and prevents mlockall from locking the entire heap
Error Message Solutions Setting the parameter -Xms to the same value of -Xmx in /etc/elasticsearch/jvm.options solved the problem 🙂 Thanks
Read more »Elasticsearch Command Lines and their Usage Guide
elasticsearch elasticsearch-certgen elasticsearch-certutil elasticsearch-cli elasticsearch-croneval elasticsearch-env elasticsearch-env-from-file elasticsearch-keystore elasticsearch-migrate elasticsearch-node elasticsearch-plugin elasticsearch-saml-metadata elasticsearch-setup-passwords elasticsearch-shard elasticsearch-sql-cli elasticsearch-sql-cli-7.6.0.jar elasticsearch-syskeygen elasticsearch-users x-pack-env x-pack-security-env x-pack-watcher-env
Read more »