ElasticSearch

Why does the ElasticSearch Nest client throw invalid_shape_exception for MultiPolygonGeoShape

I am trying to use the Nest package to insert multiple shapes into ElasticSearch geo_shape field.Initially I used a Nest.PolygonGeoShape which worked …

ElasticSearch

How to Install Grafana Monitoring Tool on Ubuntu 18.04 LTS

Grafana is a free and open source enterprise-level monitoring and data visualization tool with support for Graphite, InfluxDB, Prometheus, …

Linux

Build a REST API in 5 Minutes with PubNub

Developers need APIs. Every tech company that provides Internet-based services exposes an <b>application programming interface</b> to enable developers to do …

JavaScript

An Introduction to Elasticsearch SQL with Practical Examples - Part 1

The version 6.3 release of the Elastic Stack represented one of the most feature rich releases in recent memory. If the opening of X-Pack and …

Databases

curl in command in elastic search, error mesage 404 does not make sense

I types the following command in a linux terminal:curl -XGET http://something_here.net:5005i get: var hashRoute = '/app/kibana'; var defaultRoute = …

Linux

Elastic Stack — A Brief Introduction

You are reading the right blog post if you have heard of Elastic Stack and want to explore or if you are an absolute dummy. I am sure you won’t be so …

Cloud Computing

Getting Started with Elastic Stack on vSphere Integrated Containers - Cloud-Native Apps

<i>By Arslan Abbasi, Technical Product Manager, Cloud-Native Apps</i><p>In today’s dynamic world of application development and deployment, a good monitoring …

DevOps

Why does elasticsearch-spark 5.5.0 fail with AbstractMethodError when submitting to YARN cluster?

I wrote a spark job which main goal is to write into es, and submit it , the issue is when I submit it onto spark clusters, spark gave …

Ubiquitous Computing

Programmatically add/remove executors to a Spark Session

I'm looking for a reliable way in Spark (v2+) to programmatically adjust the number of executors in a session.I know about dynamic allocation and the …

Ubiquitous Computing

No output logging from Kibana via Docker

I'm not getting any logging output from the RestApi which is suppose to output in Kibana. All I get is this from Kibana: No results found …

REST API

Error while indexing huge data from MongoDB to Elasticsearch via Spark Python

I am using 3-node spark cluster to read data from 1-node mongodb and index into 3-node elasticsearch cluster. Each node of spark cluster and …

Databases

Google’s Cloud Launcher is now the GCP Marketplace, adds container-based applications

Cloud Launcher has long been Google’s marketplace for cloud-based application from third-party vendors that lets you deploy them in Google’s cloud with just a few clicks. That name never quite highlighted that Cloud Launcher also included commercial applications and that Google cloud handle the …

Kubernetes

Monitor Docker and Kubernetes logs and metrics with Elasticsearch Elastic Beats modules and display visualization in a single tool with Kibana

This blog is about monitoring a container environment — which could include Google Kubernetes Engine (GKE), IBM Cloud Kubernetes Service, and any …

DevOps

EsHadoopException: Could not write all entries for bulk operation Spark Streaming

I want to traverse the stream of data, run a query on it and return the results which should be written into ElasticSearch. I tried to use …

Ubiquitous Computing

Access Reserved Instance (RI) Purchase Recommendations for your Amazon Redshift, Amazon ElastiCache, and Amazon Elasticsearch Reservations using AWS Cost Explorer

To generate these recommendations, Cost Explorer first analyzes your usage to automatically identify all of your on-demand usage that can be covered …

Cloud Computing

Using AWS Elastic search POST Request in Xamarin Android?

``Hi i have followed below link AWS API Gateway Signature for trying POST Request in xamarin but i'm getting 403:forbidden exception ..i tried using …

Software Development

Elasticsearch SQL Support

• Home<br>• ><br>• Blog<br>• ><br>• ELK Stack<br>• >• <b><br>Elasticsearch SQL Support</b><p>Elasticsearch 6.3 included some major new features, including rollups and Java 10 support, but one of …

Databases

ElastiK Nearest Neighbors – Insight Data

For my Insight Data Engineering project, I built an Elasticsearch plugin to simplify the implementation of large-scale K-Nearest Neighbors (KNN) in …

Data Science

form elastic search queries after parsing expressions through ply(python library)

I have written a parser using python PLY library.Elastic search mapping schema looks like below:Parser looks like below:Input query examples:My …

Python Programming

Apache spark - loading data from elasticsearch is too slow

I'm new to Apache Spark and I'm trying to load some elasticsearch data from a scala script I'm running on it.Here is my script:And it works, but It's</b> …

Ubiquitous Computing

Automate mongodb and elasticsearch sync

I am currently working on a project where our main database is mongodb and for searching we use elasticsearch. We have inserted data in to mongodb by …

Databases

AWS DynamoDB geospatial query using ElasticSearch

I am storing transactions tagged with geo-coordinates in a DynamoDB table. I want to do a geo-spatial query to find all transactions within e.g. 10 …

Geospatial Analysis

get RequestBody in httpclient

I want to use Haskell send request to Amazon hosted elasticsearch server either using bloodhound or REST api directly.Since the server has IAM based …

REST API

Demystifying ELK stack

Let’s assume that your system consists of a few microservices. Everything must have high availability so each microservice has at least two active …

Linux

ElasticSearch and Groovy scripting with "\n"

I have next query :I have this error :"type": "script_exception", "reason": "failed to compile groovy script", "caused_by": { "type": …

ElasticSearch

Drupal 8 search opportunities and modules

Convenient searching is a keystone of good website navigation and usability. Help your website users always find what they want, and they will lose …

SEO

Django: Haystack and Elasticsearch with Mongoengine

I am trying to integrate Haystack Elasticsearch with my django REST application that uses MongoDB as database. Here is my source …

Python Programming

Flink elasticsearch connector fails with exception unknown setting [bulk.flush.max.size.mb]

The Flink 1.5.0 ElasticSearch connector page has the following codeSeems like the bulk.flush.max.actions is deprecated or removed. I get the …

Software Development

Get started with Amazon Elasticsearch Service: T-shirt-size your domain | Amazon Web Services

Welcome to this introductory series on Elasticsearch and Amazon Elasticsearch Service (Amazon ES). In this and future blog posts, we provide the …

Cloud Computing

Spark how to read from multiple Elastic Search clusters

I need to read data from two different Elastic Search clusters. one for logs and one for products data and I tried to put different sparkConf() when …

Databases