| From: | Александр Молофеев <molofeev3(at)gmail(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
| Cc: | Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: BUG #15142: ERROR: MultiXactId nnnnn has not been created yet -- apparent wraparound in v9.5 |
| Date: | 2018-04-04 16:05:10 |
| Message-ID: | CAD6K7nYyGRc3AidBLUM_u6EqVpBrK9CSPxu9icc=5n5kTCqJ3A@mail.gmail.com |
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| Lists: | pgsql-bugs |
In the query select * from
heap_page_items(get_raw_page('tablename',3220147));
t_infomask is 10243 for all tuples
and in select * from heap_page_items(get_raw_page('tablename',3220146));
this column is empty for all
2018-04-04 18:50 GMT+03:00 Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>:
> 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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