>> 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
