My pg_xlog directory is becoming huge !?

Hi all,

We tried to replicate our database and since this moment, our pg_xlog
directory is becoming HUGE ! (more than 500 Gb !)

In fact, each minute, there is a new file of 16Mb, called like
00000001000001370000004D ...

This is our main parameters in postgresql.conf



The replication is stopped (it was only a test). And I cannot put
wal_level=minimal without having an error at startup.

Do you have any idea to reduce the size of the directory ?

Thank you a lot.



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