RE: [Proposal] Add foreign-server health checks infrastructure

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От kuroda.hayato@fujitsu.com
Тема RE: [Proposal] Add foreign-server health checks infrastructure
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Msg-id TYAPR01MB58669361410DFD6B01DF45E3F55B9@TYAPR01MB5866.jpnprd01.prod.outlook.com
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Ответ на RE: [Proposal] Add foreign-server health checks infrastructure  ("kuroda.hayato@fujitsu.com" <kuroda.hayato@fujitsu.com>)
Ответы Re: [Proposal] Add foreign-server health checks infrastructure  (Fujii Masao <masao.fujii@oss.nttdata.com>)
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Dear Fujii-san, Zhihong,

I attached the latest version.
The biggest change is that callbacks are no longer un-registered at the end of transactions.
FDW developer must enable or disable timeout instead, via new APIs.

The timer will be turned on when:
* new GUC is >= 0, and
* anyone calls TryEnableRemoteServerCheckingTimeout().

I think this version is reduced overhead, but it might not be developer friendly...

Best Regards,
Hayato Kuroda
FUJITSU LIMITED
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