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From Fabrice Chapuis
Subject incremental backup
Date
Msg-id CAA5-nLDeOvgnJyyFtwEwxD+VcfgQJC5jb3tCmrpoJC20R4mbPA@mail.gmail.com
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Hi, 

I use the new incremental option with pg_basebackup version 17. 
There are mainly two type of files in the result backup folder base:
  1. INCREMENTAL.<oid> that is always 12 bytes and that could contain the a LSN and the checksum algorithm.
  2. oid file that have a length of 0.
Somebody could explain to me why these empty files are present and how they are used in the mecanism of incremental backup?

Thanks for helping
Fabrice

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