Mitchell wrote:
>
> Dear DBAs
>
> I have a tablespace for index with 5 file with different size from
> 500mb - 2000 mb.
> Total tablespace size is 6g and used 5317mb abote 86.13% usage.
>
> I got the error today.
> ora-1654 unable to extend indx sechma.indexname by 256 in tablespace
> tablespacename.
>
> The following is the query I got for the tablespace .
>
> We can see the index takes 92 extents and maxextends setting is 8192.
> I then set autoextend on a datafile then error is gone.
>
> What is the reason to cause ora-1654 even there are 700mb space avai. I also
> checked the tablespace and index setting with both have next extend 1024k,
> maxextend 8092.
>
> Mitchll
>
> SEGMENT TYP
> BYTES NEXT_EXTENT EXTENTS MAX_EXTENTS
> ----------------------------------------------------------------------- ---
> ---------------- ------------ -------- -------------
> 8,192
> C70614.FINC_INFO_ATTRIBUTE_080101_PK IND
> 94,269,440 1,048,576 92 8,192
> C70614.FINC_INFO_ATTRIBUTE_090101_PK IND
> 52,457,472 1,048,576 51 8,192
>
> --
Check DBA_FREE_SPACE. Extents must be contiguous. You may have a lot of
free space, but not a single big enough chunk (that's called Swiss
cheese).
--
Regards,
Stephane Faroult
Oriole Corporation
Voice: +44 (0) 7050-696-269
Fax: +44 (0) 7050-696-449
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Author: Stephane Faroult
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