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Elasticsearch Java API – Get Index List

The following is sample Java program to get the list of indices in an Elasticsearch instance. Sample Program: package com.report.test; import org.elasticsearch.client.Client; import org.elasticsearch.client.transport.TransportClient; import org.elasticsearch.common.settings.ImmutableSettings; import org.elasticsearch.common.settings.Settings; import org.elasticsearch.common.transport.InetSocketTransportAddress; public class SampleProgram{ public static void main(String[] args) { String hostname = "localhost"; String clusterName = "elasticsearch"; Settings settings = ImmutableSettings.settingsBuilder().put("client.transport.sniff", true).put("cluster.name", clusterName).build(); Client esclient… Read More »

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Display Resolution vs Field of Vision (FOV) – ALL YOU NEED TO KNOW

             This article is some way related to Resolution Vs Pixel Density in Displays – ALL YOU NEED TO KNOW. The term Field of Vision are frequently used in computer or console games, graphics applications and many more. Field of Vision refers to the content what we see on the… Read More »

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Graphics vs Performance in Gaming – ALL YOU NEED TO KNOW

         Gaming is there all over the world in desktops, laptops, consoles, smartphones etc. We will here focus gaming on computers and laptops. In this post I will explain the quality of the gaming i.e. the graphics/visual effects/ visual experience vs the performance. The graphics refers to the visual quality of the… Read More »

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Octa-Core Processor – Real vs Illusive Octa-Core Processor – ALL YOU NEED TO KNOW

             Smartphones are one of the great gadget that is used in daily life. It almost replaces desktops and laptops for doing our day to day activities in terms of digital world. Some of the daily task which we do with smartphones are E-mail, chat, browsing, downloading applications, watching videos,… Read More »

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Spark Error – java.io.IOException: Could not locate executable null\bin\winutils.exe in the Hadoop binaries

           The following error is due to missing winutils binary in the classpath while running Spark application. Winutils is a part of Hadoop ecosystem and is not included in Spark. The actual functionality of your  application may run correctly even after the exception is thrown. But it is better to have it… Read More »

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