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Re: Wrong statistics for size of XLOG_SWITCH during pg_waldump. - Mailing list pgsql-hackers

From movead.li@highgo.ca
Subject Re: Wrong statistics for size of XLOG_SWITCH during pg_waldump.
Date
Msg-id 2020101617395691465546@highgo.ca
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In response to Wrong statistics for size of XLOG_SWITCH during pg_waldump.  ("movead.li@highgo.ca" <movead.li@highgo.ca>)
Responses RE: Wrong statistics for size of XLOG_SWITCH during pg_waldump.
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>It looks to me "We can know that length by subtracting the LSN of
>XLOG_SWITCH from the next record's LSN so it doesn't add any
>information."
Sorry,maybe I miss this before.
But I think it will be better to show it clearly.

>So the length of <EMPTY> in this case is:
> 
>LOC(SEG A+1) - ReadRecPtr - LEN(short header) - LEN(XLOG_SWITCH)
Thanks, I should not have missed this and fixed.


Regards,
Highgo Software (Canada/China/Pakistan)
URL : www.highgo.ca
EMAIL: mailto:movead(dot)li(at)highgo(dot)ca
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