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First ADR Doc

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Tanmay Deshpande
2018-05-20 18:22:04 +05:30
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# 1. Use Elastic Search for exposing enterprise wide search API.
Date: 2018-05-20
## Status
Accepted
## Context
There is a need of having an API exposed which can be used to search enterprise wide common data model.
The data currently resides in a RDBMS database, it is difficult to expose micro-services directly querying out of RDBMS databases since the application runs out the same environment.
There are options like ElasticSearch or Solr where data can be replicated.
## Decision
Use ElasticSearch for data indexing
## Consequences
Data needs to be replicated across the ElasticSearch cluster. This separate cluster needs proper maintenance.
* Near-real time data replication is required.
* Additional cost of maintaining the ElasticSearch environments