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meaning of (to prevent wraparound) ..??

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Subject: meaning of (to prevent wraparound) ..??
From: Atul Kumar <akumar14871@xxxxxxxxx>
Date: Thu, 26 Nov 2020 11:23:44 +0530

Hi,

I have autovacuum running in background from last 30-40 minutes but I
noticed that it is with "(to prevent wraparound)" say for example
autovacuum: VACUUM trk.move (to prevent wraparound).

So what is the meaning of "(to prevent wraparound)" here ?

Will it impact the autovacuum anyhow ?

Please help me.



Regards,
Atul

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