急:oracle临时表空间使用率为零
数据库重启之后,Temp临时表空间使用率为零,数据查询很慢.不知道什么原因,求教!!!

sidALRT.log日志如下:

ump file E:\oracle\admin\MySID\bdump\MySIDALRT.LOG
Mon Oct 27 10:14:52 2008
ORACLE V9.0.1.1.1 - Production vsnsta=0
vsnsql=10 vsnxtr=3
Windows 2000 Version 5.2 Service Pack 2, CPU type 586
Starting up ORACLE RDBMS Version: 9.0.1.1.1.
System parameters with non-default values:
  processes = 150
  timed_statistics = TRUE
  shared_pool_size = 46137344
  java_pool_size = 33554432
  control_files = E:\oracle\oradata\MySID\CONTROL01.CTL, E:\oracle\oradata\MySID\CONTROL02.CTL, E:\oracle\oradata\MySID\CONTROL03.CTL
  db_block_size = 8192
  db_cache_size = 33554432
  compatible = 9.0.0
  fast_start_mttr_target = 300
  undo_management = AUTO
  undo_tablespace = UNDOTBS
  undo_retention = 10800
  remote_login_passwordfile= EXCLUSIVE
  db_domain = 
  instance_name = MySID
  dispatchers = (PROTOCOL=TCP)(SER=MODOSE), (PROTOCOL=TCP)(PRE=oracle.aurora.server.GiopServer), (PROTOCOL=TCP)(PRE=oracle.aurora.server.SGiopServer), (PROTOCOL=TCP)
  hash_area_size = 1048576
  background_dump_dest = E:\oracle\admin\MySID\bdump
  user_dump_dest = E:\oracle\admin\MySID\udump
  core_dump_dest = E:\oracle\admin\MySID\cdump
  sort_area_size = 1048576
  db_name = MySID
  open_cursors = 800
  ifile = E:\oracle\admin\MySID\pfile\init.ora
PMON started with pid=2
DBW0 started with pid=3
LGWR started with pid=4
CKPT started with pid=5
SMON started with pid=6
RECO started with pid=7
Mon Oct 27 10:14:54 2008
starting up 1 shared server(s) ...
starting up 1 dispatcher(s) for network address '(ADDRESS=(PARTIAL=YES)(PROTOCOL=TCP))'...
starting up 1 dispatcher(s) for network address '(ADDRESS=(PARTIAL=YES)(PROTOCOL=TCP))'...
starting up 1 dispatcher(s) for network address '(ADDRESS=(PARTIAL=YES)(PROTOCOL=TCP))'...
starting up 1 dispatcher(s) for network address '(ADDRESS=(PARTIAL=YES)(PROTOCOL=TCP))'...
Mon Oct 27 10:14:57 2008
alter database mount exclusive 
Mon Oct 27 10:15:03 2008
Successful mount of redo thread 1, with mount id 3028477986.
Mon Oct 27 10:15:03 2008
Database mounted in Exclusive Mode.
Completed: alter database mount exclusive
Mon Oct 27 10:15:03 2008
alter database open
Mon Oct 27 10:15:03 2008
Beginning crash recovery of 1 threads
Mon Oct 27 10:15:03 2008
Started first pass scan
Mon Oct 27 10:15:04 2008
Completed first pass scan
Mon Oct 27 10:15:04 2008
Started recovery at
 Thread 1: logseq 90, block 17526, scn 0.0
Recovery of Online Redo Log: Thread 1 Group 2 Seq 90 Reading mem 0
  Mem# 0 errs 0: E:\ORACLE\ORADATA\MySID\REDO02.LOG
Mon Oct 27 10:15:04 2008
Ended recovery at
 Thread 1: logseq 90, block 24867, scn 0.10167283
 63 data blocks read, 63 data blocks written, 7341 redo blocks read
Crash recovery completed successfully
Mon Oct 27 10:15:05 2008
Thread 1 advanced to log sequence 91
Thread 1 opened at log sequence 91
  Current log# 3 seq# 91 mem# 0: E:\ORACLE\ORADATA\MySID\REDO03.LOG
Successful open of redo thread 1.
Mon Oct 27 10:15:05 2008
SMON: enabling cache recovery
Mon Oct 27 10:15:06 2008
Undo Segment 1 Onlined
Undo Segment 2 Onlined
Undo Segment 3 Onlined
Undo Segment 4 Onlined
Undo Segment 5 Onlined
Undo Seg