Re: [HACKERS] Set of fixes for WAL consistency check facility
От | Robert Haas |
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Тема | Re: [HACKERS] Set of fixes for WAL consistency check facility |
Дата | |
Msg-id | CA+TgmobNZk2YHWBpT3vi5b898gMtrxJo7udTNP53jOK=q2Tdpw@mail.gmail.com обсуждение исходный текст |
Ответ на | [HACKERS] Set of fixes for WAL consistency check facility (Michael Paquier <michael.paquier@gmail.com>) |
Ответы |
Re: [HACKERS] Set of fixes for WAL consistency check facility
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Список | pgsql-hackers |
On Mon, Feb 13, 2017 at 8:00 PM, Michael Paquier <michael.paquier@gmail.com> wrote: > Beginning a new thread to raise awareness... As already reported here, > I had a look at what has been committed in a507b869: > https://www.postgresql.org/message-id/CAB7nPqRzCQb=vdfHvMtP0HMLBHU6z1aGdo4GJsUP-HP8jx+Pkw@mail.gmail.com > > Here are a couple of things I have noticed while looking at the code: > > + * Portions Copyright (c) 2016, PostgreSQL Global Development Group > s/2016/2017/ in bufmask.c and bufmask.h. > > + if (ItemIdIsNormal(iid)) > + { > + > + HeapTupleHeader page_htup = (HeapTupleHeader) page_item; > Unnecessary newline here. > > + * Read the contents from the backup copy, stored in WAL record and > + * store it in a temporary page. There is not need to allocate a new > + * page here, a local buffer is fine to hold its contents and a mask > + * can be directly applied on it. > s/not need/no need/. > > In checkXLogConsistency(), FPWs that have the flag BKPIMAGE_APPLY set > will still be checked, resulting in a FPW being compared to itself. I > think that those had better be bypassed. > > Please find attached a patch with those fixes. I am attaching as well > this patch to next CF. I committed the patch posted to the other thread. Hopefully that closes this issue. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
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