Tag archives for Elastic
Install Logstash in RHEL / CentOS
What is Logstash? Logstash is a data collection engine with real-time pipelining capabilities. You can use Logstash to collect your logs, parse them into your desirable format and store them…
Install Elasticsearch 2.x on CentOS 6
Install Elasticsearch on CentOS 6 This article will cover install Elasticsearch version on CentOS 6. Also guideline to change to Default Cluster and Index settings in Elasticsearch So Let's start…
How to change slow log settings in Elasticsearch
What are the slow log settings in Elasticsearch? Elasticsearch provide facility to keep track of your slow queries while indexing and searching data. It helps us to identify the slow…
Partial Update in Elasticsearch
Partial update in elasticsearch works same as updating whole document in Elasticsearch. This process retrieve the document, change it and reindex it again. In elasticsearch partial update is done through…
Updating Document in Elasticsearch
Documents in Elasticsearch are always immutable we cannot replace or change them directly. If we require updating an existing document, we need to reindex or replace it. We can change…
How to Increase or Decrease Replica in Elasticsearch
How to increase or decrease replica in Elasticsearch You can change number of replicas in live Elasticsearch Cluster using Indices APIs update indices settings. Update number of replicas for all…
Add New Node in Elasticsearch Cluster
How to add new node in elasticsearch cluster? Here is step by step guideline to add new node in existing elasticsearch cluster. 1) Elasticsearch Installation: Install elasticsearch in new node.…
CircuitBreaking Exception: Data Too Large for field parent/child id cache
You might get this problem with fielddata size limit. fielddata size limit is checked after the query data is loaded. When your elasticsearch query tried to load data more than…
Install Elasticsearch using Repositories
Install Elasticsearch using Repositories You can easily install Elasticsearch using APT and YUM repository - Install Elasticsearch Using APT repository - Install Elasticsearch Using Yum repository Install Elasticsearch on Debian:…
Elasticsearch Features
Distributed and Highly Available Search Engine. Each index is fully sharded with a configurable number of shards. Each shard can have one or more replicas. Read / Search operations performed…