Scripts for monitoring oracle DB temporary tablespace by sql statement

LXY3800

　　1.查询临时表空间使用率
　　

SELECT d.tablespace_name "Name",
TO_CHAR(NVL(a.bytes / 1024 / 1024, 0),'99,999,990.900') "Size (M)",
TO_CHAR(NVL(t.hwm, 0)/1024/1024,'99999999.999')  "HWM (M)",
TO_CHAR(NVL(t.hwm / a.bytes * 100, 0), '990.00') "HWM % " ,
TO_CHAR(NVL(t.bytes/1024/1024, 0),'99999999.999') "Using (M)",
TO_CHAR(NVL(t.bytes / a.bytes * 100, 0), '990.00') "Using %"
FROM sys.dba_tablespaces d,
(select tablespace_name, sum(bytes) bytes from dba_temp_files group by tablespace_name) a,
(select tablespace_name, sum(bytes_cached) hwm, sum(bytes_used) bytes from v$temp_extent_pool group by tablespace_name) t
WHERE d.tablespace_name = a.tablespace_name(+)
AND d.tablespace_name = t.tablespace_name(+)
AND d.extent_management like 'LOCAL'         
AND d.contents like 'TEMPORARY'
　　

2.

alter session set nls_date_format='dd-mon-yy';
set lines 160 pages 1000 echo off feedback off
col stat_name for a25
col date_time for a40
col BEGIN_INTERVAL_TIME for a20
col END_INTERVAL_TIME for a20
prompt "Enter the date in DD-Mon-YY Format and Stats you want to trend like 'redo size','physical reads','physical writes','session logical reads' etc."
WITH sysstat AS(select sn.begin_interval_time begin_interval_time,
sn.end_interval_time end_interval_time,
ss.stat_name stat_name,
ss.value e_value,
lag(ss.value, 1) over(order by ss.snap_id) b_value
from dba_hist_sysstat ss, dba_hist_snapshot sn
where trunc(sn.begin_interval_time) >= sysdate-7
and ss.snap_id = sn.snap_id
and ss.dbid = sn.dbid
and ss.instance_number = sn.instance_number
and ss.dbid = (select dbid from v$database)
and ss.instance_number = (select instance_number from v$instance)
and ss.stat_name = 'sorts (disk)')
select to_char(BEGIN_INTERVAL_TIME, 'mm/dd/yy_hh24_mi') || to_char(END_INTERVAL_TIME, '_hh24_mi') date_time,
stat_name,
round((e_value - nvl(b_value,0)) / (extract(day from(end_interval_time - begin_interval_time)) * 24 * 60 * 60
+ extract(hour from(end_interval_time - begin_interval_time)) * 60 * 60
+ extract(minute from(end_interval_time - begin_interval_time)) * 60 + extract(second from(end_interval_time - begin_interval_time))),0) per_sec
from sysstat where(e_value - nvl(b_value,0)) > 0 and nvl(b_value,0) > 0
/

　　



select temp_space/1024/1024,SQL_ID  from DBA_HIST_SQL_PLAN where temp_space>0 order by 1 asc;

　　


　　

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