Startup process in slave

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От Raj kumar
Тема Startup process in slave
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Msg-id CACxU--V0igGcTxXV4H98Xw_ORVpjg0zdEPxfgeDwcTpPXR1iWA@mail.gmail.com
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Ответы Re: Startup process in slave  (Scott Ribe <scott_ribe@elevated-dev.com>)
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Hi,

I could see that there is zero replication lag between master and slave.
But, slave has startup process always recovering  along with wal receiver streaming.

I thought after startup process stops recovering, then only  wal receiver will start receiving files from wal sender. Then startup process will be stopped.

In pg 9.6, I have always seen, only walreceiver running. But currently,  in Pg11, I see startup process in addition. May be it's not version specific.  I'm just adding more information. 

Can you please clarify why startup process is running even after walreceiver came up?

Thanks 
Raj
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