Use pg_pwritev_with_retry() instead of write() in dir_open_for_write() to avoid partial writes?

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От Bharath Rupireddy
Тема Use pg_pwritev_with_retry() instead of write() in dir_open_for_write() to avoid partial writes?
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Msg-id CALj2ACUq7nAb7=bJNbK3yYmp-SZhJcXFR_pLk8un6XgDzDF3OA@mail.gmail.com
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Ответы Re: Use pg_pwritev_with_retry() instead of write() in dir_open_for_write() to avoid partial writes?
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Hi,

I noticed that dir_open_for_write() in walmethods.c uses write() for
WAL file initialization (note that this code is used by pg_receivewal
and pg_basebackup) as opposed to core using pg_pwritev_with_retry() in
XLogFileInitInternal() to avoid partial writes. Do we need to fix
this?

Thoughts?

-- 
Bharath Rupireddy
RDS Open Source Databases: https://aws.amazon.com/rds/postgresql/

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