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Lag in asynchronous replication

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Subject: Lag in asynchronous replication
From: Subhankar Chattopadhyay <subho.atg@xxxxxxxxx>
Date: Thu, 23 Mar 2017 20:07:59 +0530
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hi,

in case of automated failover i want to check if slave ia lagging from master and only if it is in sync, i want to do failover. But I am working in a virtual cloud environment so by that time the master VM may not be available to me. How can i check the lag in that case ?

Regards,

SUBHANKAR CHATTOPADHYAY

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