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Check replication lag - Mailing list pgsql-general

From Sreejith P
Subject Check replication lag
Date
Msg-id PS2PR02MB28374C3F4C4DE895C746F8CDF34B0@PS2PR02MB2837.apcprd02.prod.outlook.com
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Responses Re: Check replication lag
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Hi,

 

Am using SELECT (now() - pg_last_xact_replay_timestamp()) < '1’) min for identifying replication lag. Is there any better option available in postgres 10.

 

IN SYNC mode of replication what would be the impact on Master DB server in terms of over all performance  ?

 

 

 

 

 

Thanks

Sreejith.


 

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