Logical replication and xids

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От Natalie Wenz
Тема Logical replication and xids
Дата
Msg-id E850EE71-E4FA-44A0-8A93-52CBDC948714@gmail.com
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How is the initial snapshot executed in Postgres 10 logical replication? Mainly, I’m wondering if it would hold open a
transactionid on the publishing database the entire time.  

(I’m dealing with several databases that are quite large with tables I want to replicate that are up to 4 or 5 TB, and
I’mworried about running out of xids while the initial snapshot is sent.) 

Thank you,
Natalie

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