I sent a message describing where I was headed with the code and my
misgivings with Tom's concerns. I haven't seen any responses.
Hmmm. I can't find my message however so now I'm wondering if it ever
hit the lists.
--
Greg
On 6 Feb 2009, at 18:13, Bruce Momjian <bruce@momjian.us> wrote:
> Tom Lane wrote:
>> Log Message:
>> -----------
>> Implement prefetching via posix_fadvise() for bitmap index scans.
>> A new
>> GUC variable effective_io_concurrency controls how many concurrent
>> block
>> prefetch requests will be issued.
>>
>> (The best way to handle this for plain index scans is still under
>> debate,
>> so that part is not applied yet --- tgl)
>
> Where are we on completing this feature?
>
> --
> Bruce Momjian <bruce@momjian.us> http://momjian.us
> EnterpriseDB http://enterprisedb.com
>
> + If your life is a hard drive, Christ can be your backup. +
>
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