---
title: Recon server 1
summary: Second phase of Recon development. Recon acts as a passive SCM.
date: 2019-02-19
jira: HDDS-1084
status: implemented
author: Sid Wagle, Vivek Subramanian and Aravindan
---
<!--
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License. See accompanying LICENSE file.
-->

# Abstract

 Recon is a monitoring and analytics server for Ozone. It can retrieve data from 
 other components and store it and do historical queries (eg. out-of-disk-space time estimation).
 
> Ozone Recon (short for reconnaissance) Service is, as the name suggests, meant to be eyes and ears of Ozone for the user. The first resort in understanding what is happening with Ozone.

# Link

 * https://issues.apache.org/jira/secure/attachment/12960258/Ozone_Recon_Design_V1_Draft.pdf
