TEMP表空間爆滿處理一例

2021-09-03 10:39:42 字數 4541 閱讀 2497

fri jul 15 06:03:03 2011

ora-1652: unable to extend temp segment by 128 in tablespace                 temp ……

fri jul 15 08:02:59 2011

ora-1652: unable to extend temp segment by 128 in tablespace                 temp

通過檢視表空間發現,

temp

表空間被擴充套件到了

32g,而原先設定的只有

4g,我們通過如下語句分析

temp

表空間有什麼東西這麼耗空間:

selectse.username,sid,serial#,sql_address,machine, program,tablespace,segtype,contents

fromv$session se,v$sort_usage su

wherese.saddr=su.session_addr

orderbymachine

查詢結果如下:

username

sid

serial#

sql_address

machine

program

tablespace

segtype

contents

phc831

30700

port-web

temp

lob_data

temporary

phc897

10837

00port-web

temp

lob_data

temporary

phc928

62946

00port-web

temp

lob_data

temporary

phc893

59116

00port-web

temp

lob_data

temporary

phc1081

30775

00port-web

temp

lob_data

temporary

phc1025

24989

00port-web

temp

lob_data

temporary

phc907

10378

00workgroup\port-sjjh2

plsqldev.exe

temp

lob_data

temporary

eport_admin

1080

63733

000000025b61af28

workgroup\test-wztjfz

logread.exe

temp

sort

temporary

eport_admin

92343188

000000025b61af28

workgroup\test-wztjfz

logread.exe

temp

sort

temporary

eport_admin

1047

23000000025b61af28

workgroup\test-wztjfz

logread.exe

temp

sort

temporary

eport_admin

92929713

000000025b61af28

workgroup\test-wztjfz

logread.exe

temp

sort

temporary

eport_admin

81644578

000000025b61af28

workgroup\test-wztjfz

logread.exe

temp

sort

temporary

eport_admin

91020498

000000025b61af28

workgroup\test-wztjfz

logread.exe

temp

sort

temporary

eport_admin

96950313

000000025b61af28

workgroup\test-wztjfz

logread.exe

temp

sort

temporary

eport_admin

91557

000000025b61af28

workgroup\test-wztjfz

logread.exe

temp

sort

temporary

eport_admin

8767930

000000025b61af28

workgroup\test-wztjfz

logread.exe

temp

sort

temporary

eport_admin

90640178

000000025b61af28

workgroup\test-wztjfz

logread.exe

temp

sort

temporary

eport_admin

83626868

000000025b61af28

workgroup\test-wztjfz

logread.exe

temp

sort

temporary

eport_admin

91250385

000000025b61af28

workgroup\test-wztjfz

logread.exe

temp

sort

temporary

仔細看如下查詢結果,

eport_admin

是以前很少見到的,懷疑

logread.exe

存在嫌疑,考慮到這只是個資料同步程序,考慮如下命令

kill掉:

alter system kill session '1080,63733';

alter system kill session '923,43188';

alter system kill session '1047,23';

alter system kill session '929,29713';

alter system kill session '816,44578';

alter system kill session '910,20498';

alter system kill session '969,50313';

alter system kill session '915,57';

alter system kill session '876,7930';

alter system kill session '906,40178';

alter system kill session '836,26868';

alter system kill session '912,50385';

語句執行後

eport_admin

的程序在

temp

表空間消失,再來看

temp

表空間,已經基本清空:

name

size (mb)

used (mb)

used (%)

free (mb)

status

datafiles

type

temp

32,767.00

470.1

32,720.00

1temporary

結論:顯然

eport_admin

下的logread.exe

存在大量表空間的開銷,這在業務高峰期是非常危險的現象。

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