Category: analytics

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Enable elasticsearch slow log

As a DevOps engineer, you might see some users complaining about the elastic search that searching the logs is very slow. And in some scenarios, this situation is cannot be reproducible. So it will...

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close and open elasticsearch indexes

Elasticsearch is a search engine based on the Lucene library. It provides a distributed, multitenant-capable full-text search engine with an HTTP web interface and schema-free JSON documents. Elasticsearch is developed in Java. In this...

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how to install clickhouse

Hi All, this document deals with how to install click house ClickHouse is an open-source column-oriented DBMS for online analytical processing. ClickHouse was developed by the Russian IT company Yandex for the Yandex. Metrica...

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increase kibana max report size

Hi All, this document shows you how to increase kibana max report size. Kibana is an open source data visualization dashboard for Elasticsearch. It provides visualization capabilities on top of the content indexed on...

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how ELK works?

Hi All, this document gives you an overview of how ELK works. ELK stands for Elastic Search, Logstash and Kibana. How does it work? Logs from the server can be shipped to the logstash...

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how to install Cassandra in Linux

Hi All, this document deals with how to install Cassandra in Linux Apache Cassandra is a free and open-source, distributed, wide column store, NoSQL database management system designed to handle large amounts of data...

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build highly available ELK stack

build highly available ELK stack Hi Techrunnr Readers, this document deals with how to build highly available ELK stack. Elasticsearch Elasticsearch is a search engine based on Lucene. It provides a distributed, multitenant-capable full-text...

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authentication for kibana using nginx

Kibana authentication using nginx Hello Techrunnr Readers, This document deals with enabling authentication for kibana using nginx webserver. Kibana is opensource visulalization and analytics tools which works with Logstash and Elasticsearch. By default, kibana...