| From: | Nikhil Sontakke <nikhil(dot)sontakke(at)enterprisedb(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Fwd: index corruption in PG 8.3.13 |
| Date: | 2011-03-09 14:16:22 |
| Message-ID: | AANLkTikEkMxO6XSVc9j8=E3JWhU=FCDtJwWeruOwhhDd@mail.gmail.com |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
>> Re-sending without the attachments. Can someone please allow my
>> attachments through from the previous email?
>
> They are not in the moderation queue, so presumably they got eaten by
> the antispam grue.
Ouch. Attempting to attach the dotty image again..
>
>
>> Blocks 519 to 521 are DELETED. They do not have the LEAF flag set,
>> meaning they could be internal pages, but that is strange since ROOT
>> page is at level 1. Also importantly their next XID is set FrozenXid,
>> meaning VACUUM FULL was at play. Maybe due to deletes, we reduced the
>> hierarchy level or something?
>
> Hierarchy level is never reduced.
>
> I'll send you a perl program we wrote for a customer to check for
> strange issues in btrees. Please give it a spin; it may give you more
> clues. If you find additional checks to add, please let me know!
>
Ok, thanks a lot!
Regards,
Nikhils
| Attachment | Content-Type | Size |
|---|---|---|
| index_corruption.png | image/png | 131.0 KB |
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