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Buffer Waits on the SYSTEM tablespace.

edited May 3, 2012 5:05AM in Database Tuning (MOSC) 5 commentsAnswered
Hi all,

  My DB is 9.2.0.4

  When upload my statspack file to www.oraperf.com , from the File I/O in msec section, I saw Buffer Waits on datafile belong to SYSTEM tablespace is 535. At here, I want ask about Buffer Waits on this tablespace. Read some documents about the SYSTEM tbl, maybe when create this tablespace I did not "Auto Segment Space Management" option. Script to create it is:

CREATE TABLESPACE SYSTEM DATAFILE
'/oradata/xbank/system01.dbf' SIZE 1000M AUTOEXTEND ON NEXT 10M MAXSIZE UNLIMITED
LOGGING
ONLINE
PERMANENT
EXTENT MANAGEMENT LOCAL AUTOALLOCATE
BLOCKSIZE 8K;

   Can I switch it to SEGMENT SPACE MANAGEMENT AUTO ?

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