# Monitoring Replica Lag

**URL:** https://discuss.elastic.co/t/monitoring-replica-lag/87206
**Category:** Elasticsearch
**Tags:** elastic-stack-monitoring
**Created:** [May 26, 2017, 6:11am UTC](https://discuss.elastic.co/t/monitoring-replica-lag/87206 "2017-05-26T06:11:52Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![Priyanka\_Talwaria](https://avatars.discourse-cdn.com/v4/letter/p/439d5e/32.png) [@Priyanka\_Talwaria](https://discuss.elastic.co/u/Priyanka_Talwaria)
#### Post date: [May 26, 2017, 6:11am UTC](https://discuss.elastic.co/t/monitoring-replica-lag/87206/1 "2017-05-26T06:11:52Z")

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I have done elasticsearch cluster set up.One dedicated master and a replica node.  
I want to monitor cluster and nodes health.I want to monitor time lag in replicating data between master and slave,also can I have different versions on different machines?

(ElasticSearch Version - 2.1)

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### Author: ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)
#### Post date: [May 26, 2017, 7:02am UTC](https://discuss.elastic.co/t/monitoring-replica-lag/87206/2 "2017-05-26T07:02:11Z")

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Please do not open multiple threads with the same question.

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### Author: ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)
#### Post date: [May 26, 2017, 7:02am UTC](https://discuss.elastic.co/t/monitoring-replica-lag/87206/3 "2017-05-26T07:02:24Z")

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