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Re: Why there are no max_wal_receivers

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On 10/07/2013 11:05 PM, 高健 wrote:
Hello:



Thank you all for kindly replying my question.


I read the documentation about pg_basebackup.


The description says:

The server must also be configured with max_wal_senders set high enough
to leave at least one session available for the backup.

Dose it mean:

If I am building a one master  -- one slave environment, I need the
max_wal_sender to be at least 2.

But I think pg_basebackup just use the one sender process  temporarily,
Is that right?

Well actually it will use at least one and up to two connections, see -Xs option





Best Regards




--
Adrian Klaver
adrian.klaver@xxxxxxxxx


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