Hi, Leslie,
1. First of all, if you are on 8i, I'd strongly consider index compression
CREATE INDEX INX ON TAB(N,M,...) COMPRESS <COMPRESSION LEVEL>.
Depending on your data, I' set compression level up to 7. This would greatly
reduce index size.
2. as soon as 514K*4080/3000000 approx gives 700 byte I wonder, do you
actually have index entry this long?
What is an average total length of those 8 fields?
2a. If no, I would check , maybe you have your storage set explicitely at
your CREATE index clause. Change the STORAGE first.
There is no good reason to have DEFAULT STORAGE with MAXEXTENTS 4080, better
to set STORAGE manually for objects of this size.
2b. If yes - see 1 and than, if still need more space - add this space.
Consider partitioning. Segments of 1Gb+ size are not very comfortable to
handle.
Best regards,
Vadim Gorbounov
Oracle DBA
-----Original Message-----
Sent: Wednesday, April 11, 2001 4:55 PM
To: Multiple recipients of list ORACLE-L
Hi all,
I need to build an index on a table of 80 columns with
3 million rows. The index is on 8 columns.
I got ORA-01630: max # extents (n) reached in temp
segment in tablespace ARBOR_INDEX, so I add more index
files and enlarge extents, now I have 2 index files
of 1G each, and tablespace storage is:
ALTER TABLESPACE ARBOR_INDEX
DEFAULT STORAGE (
INITIAL 514K
NEXT 514K
MAXEXTENTS 4080
);
And I still got ORA0-1630. Should I continue to
increase index file size and extents or there is other
way around? The datafile contains that table's
tablespace is only 1G.
I didn't do exp, build index, imp since I believe for
large amount of data, it's better to load the data
first then build index.
Any idea? Thank you.
Leslie
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