how is the WAL receiver process stopped and restarted when the network connection is broken and then restored?

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От Rui Hai Jiang
Тема how is the WAL receiver process stopped and restarted when the network connection is broken and then restored?
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Msg-id CAEri+m+XK_DBimJz6bnv7H-Lmq2JnP9hpvWnjT9NFuXE6Ra9HA@mail.gmail.com
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Ответы Re: how is the WAL receiver process stopped and restarted when the network connection is broken and then restored?  (Craig Ringer <craig@2ndquadrant.com>)
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Hello,

I have one Primary server and one Standby server. They are doing streaming replication well.

I  did some testing. I broke the network connection between them for a few minutes, and then restored the network. I found the both the WAL sender and WAL receiver were stopped and the restarted.

I wonder how WAL receiver process is stopped and restarted. I have checked the code hoping to find out the answer, but I don't have any clue. 

Could anyone help?

Thanks,
Rui Hai

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