Re: Recovery inconsistencies, standby much larger than primary
От | Greg Stark |
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Тема | Re: Recovery inconsistencies, standby much larger than primary |
Дата | |
Msg-id | CAM-w4HOO3m3My_tDkUNj1dB9jj3LYuOFTEjFPGzLuYWLLpxZwg@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Recovery inconsistencies, standby much larger than primary (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: Recovery inconsistencies, standby much larger than primary
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Список | pgsql-hackers |
On Fri, Jan 31, 2014 at 3:41 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote: >> 400 * 400 * 400 / 2000 * 54 + 1F0C0000 / 2000 >> 11073632 Ooops, it's reading 54 in hex there. > # select ((2^30) * 54.0 + 'x1F0C0000'::bit(32)::int) / 8192; > ?column? > ---------- > 7141472 ibase=16 400 * 400 * 400 / 2000 * 36 + 1F0C0000 / 2000 7141472.00000000000000000000 So now that I've got the arithmetic right: =# select (page_header(get_raw_page('index_data_id', 'main', 7141472))).* ; lsn | tli | flags | lower | upper | special| pagesize | version | prune_xid ------------+-----+-------+-------+-------+---------+----------+---------+-----------EA1/638988 | 6 | 0 | 1240 | 3312 | 8176 | 8192 | 4 | 0 -- greg
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