---
title: Ozone Manager HA
summary: Support HA for Ozone Manager with the help of RATIS
date: 2018-09-18
jira: HDDS-505
status: implemented
author: Bharat Viswanadham
---
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# Abstract

 HA for Ozone Manager with the help of Ratis. High performance operation with caching and double-buffer (separated doc).
 
# Link

 * https://issues.apache.org/jira/secure/attachment/12940314/OzoneManager%20HA.pdf

 * https://issues.apache.org/jira/secure/attachment/12990063/OM%20HA%20Cache%20Design.pdf

 * https://issues.apache.org/jira/secure/attachment/12973260/Handling%20Write%20Requests%20with%20OM%20HA.pdf