Re: [HACKERS] "inconsistent page found" with checksum andwal_consistency_checking enabled

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От Kuntal Ghosh
Тема Re: [HACKERS] "inconsistent page found" with checksum andwal_consistency_checking enabled
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Msg-id CAGz5QCLJSqy0uh4eaJhxKFXYxOtn4_vtLWKvb9aOG9mzdD0Gbg@mail.gmail.com
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Ответ на Re: [HACKERS] "inconsistent page found" with checksum andwal_consistency_checking enabled  (Michael Paquier <michael.paquier@gmail.com>)
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On Wed, Sep 20, 2017 at 11:05 AM, Michael Paquier
<michael.paquier@gmail.com> wrote:
> On Wed, Sep 20, 2017 at 2:26 PM, Kuntal Ghosh
> <kuntalghosh.2007@gmail.com> wrote:
>> On Wed, Sep 20, 2017 at 10:22 AM, Michael Paquier
>> <michael.paquier@gmail.com> wrote:
>>> On Wed, Sep 20, 2017 at 5:23 AM, Ashwin Agrawal <aagrawal@pivotal.io> wrote:
>>>> Currently, page checksum is not masked by Page masking routines used by
>>>> wal_consistency_checking facility. So, when running `make installcheck` with
>>>> data checksum enabled and wal_consistency_checking='all', it easily and
>>>> consistently FATALs with "inconsistent page found".
>>>
>>> Indeed. This had better be fixed before PG10 is out. I am adding an open item.
>>>
>> Oops and surprised! How come we missed that previously. If page lsns
>> are different, checksums will be different as well. Anyhow, nice catch
>> and thanks for the patch.
>
> That happens. We have really covered maaany points during many rounds
> of reviews, still I am not surprised to see one or two things that
> fell into the cracks.
Yup, that's true. :-)


-- 
Thanks & Regards,
Kuntal Ghosh
EnterpriseDB: http://www.enterprisedb.com


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