Maybe this could be handled by logging the fact that the index is being
modified. Then during recovery, if an index was being modified, and
the log doesn't indicate that the modification was completed, the index
can be rebuilt?
On Dec 15, 2004, at 10:02 AM, Scott Marlowe wrote:
> On Tue, 2004-12-14 at 18:43, Dann Corbit wrote:
>> Would it be possible to rebuild all non-btree indexes when a recovery
>> takes place?
>
> Considering how long I've seen some large hash indexes take to build,
> that might be better left as an optional setting.
>
>> Another thing that seems it might be nice is to check the non-btree
>> indexes during analyze (if that is possible and not too expensive).
>>
>> -----Original Message-----
>> From: Neil Conway [mailto:neilc@samurai.com]
>> Sent: Tuesday, December 14, 2004 4:39 PM
>> To: Scott Marlowe
>> Cc: Dann Corbit; pgsql-general
>> Subject: Re: [GENERAL] Corrupt RTREE index
>>
>> On Tue, 2004-12-14 at 14:12 -0600, Scott Marlowe wrote:
>>> IS this same issue true for hash or GiST indexes?
>>
>> Yes, it is: currently, only btree indexes are WAL safe.
>>
>> (I spent some time recently looking into adding page-level concurrency
>> and WAL to GiST, but I haven't had a chance to finish that work -- it
>> is
>> quite a big job...)
>>
>> -Neil
>>
>>
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