kandi_ak Member since 2017 12 posts
ME Bank
Posted: March 1, 2018
Last activity: March 25, 2018

Mongo - High availability options

In chat config we are defining a single instance for mongo, and while starting of mongo servers we are mentioning a slave to be linked with mongo master.

Let’s say if master is down (which is defined in chat config)

  • Will the chat app be running on slave automatically or do we need to manually change the config on chat app?
  • How does chat app know about the slave that is configured on the mongo app end?
  • We have tried with adding replica sets for automatic failover, but that din't work because when master/defined instance of mongo is down, chat app has no idea to look for child instance of mongo.

Thanks for your response!

***Edited by Moderator Marissa to update categories***

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