Re: BUG #15142: ERROR: MultiXactId nnnnn has not been created yet --apparent wraparound in v9.5

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От Alvaro Herrera
Тема Re: BUG #15142: ERROR: MultiXactId nnnnn has not been created yet --apparent wraparound in v9.5
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Msg-id 20180404155016.ylskrkq4toczkk3u@alvherre.pgsql
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Ответ на Re: BUG #15142: ERROR: MultiXactId nnnnn has not been created yet --apparent wraparound in v9.5  (molofeev <molofeev3@gmail.com>)
Ответы Re: BUG #15142: ERROR: MultiXactId nnnnn has not been created yet --apparent wraparound in v9.5  (Александр Молофеев <molofeev3@gmail.com>)
Re: BUG #15142: ERROR: MultiXactId nnnnn has not been created yet -- apparent wraparound in v9.5  (Andrew Gierth <andrew@tao11.riddles.org.uk>)
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molofeev wrote:
> Query 1:  select * from heap_page_items(get_raw_page('tablename',3220145));

In this one, t_infomask is 11011 for all the tuples, which is 0x2B03.
HEAP_XMAX_IS_MULTI is 0x1000.  I think you're looking at the wrong
pages, probably because of synchronized_seqscans.

I didn't look at the other pages.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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