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Elasticsearch Plugin To Generate (Save and E-Mail) Excel Reports

ElasticTab – Elasticsearch to Excel Report Web Application Simple Web UI Download Excel Reports Schedule/Edit/Delete Reports E-Mail Reports Go to https://github.com/raghavendar-ts/ElasticTab-Elasticsearch-to-Excel-Report Elasticsearch Plugin to Generate Excel Reports            There are many use cases where in one needs to import data from an external system or database to Elasticsearch and many plugins… Read More »

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Execute Raw Elasticsearch Query using Transport Client – Java API

           The following sample program details on how to execute raw Elasticsearch query using Transport Client (Java API).  Maven Dependencies: <dependencies> <dependency> <groupId>org.elasticsearch</groupId> <artifactId>elasticsearch</artifactId> <version>1.5.0</version> </dependency> <dependency> <groupId>org.json</groupId> <artifactId>json</artifactId> <version>20140107</version> </dependency> </dependencies>            Add the above MAVAN dependencies to the POM file or add the JARs specified in… Read More »

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Elasticsearch – Apply Nested Filter on Nested (Inner) Aggregation

           The following query can be used to apply filter on nested (inner) aggregation. In our example aggregationName2 is the nested aggregation. The filter (bold content) in the input JSON will be applied only for the aggregation aggregationName2. aggregationName2 takes in the output of aggregationName1, then applies the filter which is then processed by aggregationName2… Read More »

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Linked List in C – Merge two Linked List into separate single Linked List

DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Try DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Linked List in C – Merge two Linked List into separate single Linked List : Input Linked List 1: one->three->five->seven Head of Linked List 1 is head1 Linked List 2: two->four->six Head of Linked List 2 is… Read More »

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Logstash – Process Log File Once and Exit/Stop Logstash After Reading Log File Once

            I have a scenario in Logstash where I want to process a log file in a path once in a day. In my case, a new log file will be added to a path which needs to be processed once and it takes roughly around 10 minutes to process… Read More »

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