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Oracle诊断案例-SGA与Swap之一         ★★★★

Oracle诊断案例-SGA与Swap之一

作者:闵涛 文章来源:闵涛的学习笔记 点击数:3032 更新时间:2009/4/22 22:06:53

 

 

link:

http://www.eygle.com/case/sga1.htm

案例描述:

用户报告,服务器启动一段时间以后,无法建立数据库连接
重新启动几分钟以后,再次无法连接

系统无法正常使用.

1.登陆系统

SunOS 5.8

login: root
Password:
Last login: Tue Mar 23 13:56:59 from 172.16.31.41
Sun Microsystems Inc. SunOS 5.8 Generic Patch October 2001
You have new mail.

2.su 为Oracle用户
检查启动的Oracle进程

发现后台进程正常,有一定量的用户连接


 

wapplatform:/>su - oracle
Sun Microsystems Inc. SunOS 5.8 Generic Patch October 2001
You have new mail.
/export/home1/oracle>ls
admin codesyndealt31 exp.sh local.cshrc local.profile oraclebak oui v6_database
app exp.log jre local.login nsmail oradata swan
export/home1/oracle>cd admin
/export/home1/oracle/admin>ps -ef|grep ora
oracle 25269 25258 0 13:58:36 pts/3 0:00 grep ora
oracle 25257 24906 0 13:58:31 pts/4 0:00 vi alert_HSWAPDB.log
oracle 25267 1 1 13:58:34 ? 0:00 oracleHSWAPDB (LOCAL=NO)
oracle 25184 1 0 13:56:57 ? 0:00 ora_p007_HSWAPDB
oracle 25182 1 0 13:56:57 ? 0:00 ora_p006_HSWAPDB
oracle 25193 1 0 13:57:03 ? 0:01 oracleHSWAPDB (LOCAL=NO)
oracle 25209 1 0 13:57:09 ? 0:00 oracleHSWAPDB (LOCAL=NO)
oracle 25176 1 0 13:56:57 ? 0:00 ora_p003_HSWAPDB
oracle 25180 1 0 13:56:57 ? 0:00 ora_p005_HSWAPDB
oracle 25172 1 0 13:56:56 ? 0:00 ora_p001_HSWAPDB
oracle 25178 1 0 13:56:57 ? 0:00 ora_p004_HSWAPDB
oracle 25170 1 0 13:56:56 ? 0:00 ora_p000_HSWAPDB
oracle 24254 24240 0 12:08:25 pts/2 0:00 -ksh
oracle 25174 1 0 13:56:56 ? 0:00 ora_p002_HSWAPDB
oracle 25244 1 1 13:58:23 ? 0:00 oracleHSWAPDB (LOCAL=NO)
oracle 25218 1 0 13:57:23 ? 0:00 oracleHSWAPDB (LOCAL=NO)
oracle 25159 1 0 13:56:42 ? 0:02 ora_qmn0_HSWAPDB
oracle 25230 1 0 13:57:40 ? 0:01 oracleHSWAPDB (LOCAL=NO)
oracle 25161 1 0 13:56:42 ? 0:00 ora_s000_HSWAPDB
oracle 25149 1 0 13:56:41 ? 0:01 ora_lgwr_HSWAPDB
oracle 25157 1 0 13:56:42 ? 0:00 ora_cjq0_HSWAPDB
oracle 24906 3698 0 13:47:47 pts/4 0:00 -ksh
oracle 25153 1 0 13:56:42 ? 0:01 ora_smon_HSWAPDB
oracle 25058 7464 0 13:55:14 pts/1 0:00 -ksh
oracle 25163 1 0 13:56:42 ? 0:00 ora_d000_HSWAPDB
oracle 25155 1 0 13:56:42 ? 0:00 ora_reco_HSWAPDB
oracle 25151 1 0 13:56:41 ? 0:00 ora_ckpt_HSWAPDB
oracle 25145 1 0 13:56:41 ? 0:00 ora_dbw0_HSWAPDB
oracle 25199 1 15 13:57:04 ? 0:49 ora_j000_HSWAPDB
oracle 4149 4146 0 12:05:11 pts/5 0:00 -ksh
oracle 25232 1 0 13:57:41 ? 0:00 oracleHSWAPDB (LOCAL=NO)
oracle 25119 1 0 13:56:29 ? 0:00 oraclehswapdb (LOCAL=NO)
oracle 25075 1 0 13:55:34 ? 0:00 /export/home1/oracle/app/bin/tnslsnr LISTENER -inherit
oracle 24374 4149 0 12:21:56 pts/5 0:00 sqlplus /nolog
oracle 25143 1 0 13:56:41 ? 0:00 ora_pmon_HSWAPDB
oracle 25258 25242 0 13:58:31 pts/3 0:00 -ksh
/export/home1/oracle/admin>ps -ef|grep ora_
oracle 25275 25258 0 13:58:42 pts/3 0:00 grep ora_
oracle 25184 1 0 13:56:57 ? 0:00 ora_p007_HSWAPDB
oracle 25182 1 0 13:56:57 ? 0:00 ora_p006_HSWAPDB
oracle 25176 1 0 13:56:57 ? 0:00 ora_p003_HSWAPDB
oracle 25180 1 0 13:56:57 ? 0:00 ora_p005_HSWAPDB
oracle 25172 1 0 13:56:56 ? 0:00 ora_p001_HSWAPDB
oracle 25178 1 0 13:56:57 ? 0:00 ora_p004_HSWAPDB
oracle 25170 1 0 13:56:56 ? 0:00 ora_p000_HSWAPDB
oracle 25174 1 0 13:56:56 ? 0:00 ora_p002_HSWAPDB
oracle 25159 1 0 13:56:42 ? 0:02 ora_qmn0_HSWAPDB
oracle 25161 1 0 13:56:42 ? 0:00 ora_s000_HSWAPDB
oracle 25149 1 0 13:56:41 ? 0:01 ora_lgwr_HSWAPDB
oracle 25157 1 0 13:56:42 ? 0:00 ora_cjq0_HSWAPDB
oracle 25153 1 0 13:56:42 ? 0:01 ora_smon_HSWAPDB
oracle 25163 1 0 13:56:42 ? 0:00 ora_d000_HSWAPDB
oracle 25155 1 0 13:56:42 ? 0:00 ora_reco_HSWAPDB
oracle 25151 1 0 13:56:41 ? 0:00 ora_ckpt_HSWAPDB
oracle 25145 1 0 13:56:41 ? 0:00 ora_dbw0_HSWAPDB
oracle 25199 1 13 13:57:04 ? 0:51 ora_j000_HSWAPDB
oracle 25143 1 0 13:56:41 ? 0:00 ora_pmon_HSWAPDB

3.检查Alert.log警报日志文件


 

/export/home1/oracle/admin>ls
hswapdb
/export/home1/oracle/admin>cd *
/export/home1/oracle/admin/hswapdb>ls
bdump cdump create pfile udump
/export/home1/oracle/admin/hswapdb>cd bdump
/export/home1/oracle/admin/hswapdb/bdump>

/export/home1/oracle/admin/hswapdb/bdump>ls -l *.log

-rw-r--r-- 1 oracle dba 813396 Mar 23 13:57 alert_HSWAPDB.log
/export/home1/oracle/admin/hswapdb/bdump>vi *.log
"alert_HSWAPDB.log" 18888 lines, 813396 characters (115 null)
Tue Jun 24 21:17:14 2003
Starting ORACLE instance (normal)
LICENSE_MAX_SESSION = 0
LICENSE_SESSIONS_WARNING = 0
SCN scheme 3
Using log_archive_dest parameter default value
LICENSE_MAX_USERS = 0
SYS auditing is disabled
Starting up ORACLE RDBMS Version: 9.2.0.3.0.
System parameters with non-default values:
processes = 400
timed_statistics = TRUE
shared_pool_size = 117440512
large_pool_size = 83886080
java_pool_size = 33554432
control_files = /export/home1/oracle/oradata/hswapdb/control01.ctl,

/export/home1/oracle/oradata/hswapdb/control02.ctl,
/export/home1/oracle/oradata/hswapdb/control03.ctl
db_block_size = 8192
db_cache_size = 352321536
compatible = 9.2.0.0.0
db_file_multiblock_read_count= 16
fast_start_mttr_target = 300
undo_management = AUTO
undo_tablespace = UNDOTBS1
undo_retention = 10800
remote_login_passwordfile= EXCLUSIVE
db_domain = eygle.com
instance_name = hswapdb
dispatchers = (PROTOCOL=TCP) (SERVICE=hswapdbXDB)
job_queue_processes = 10
hash_join_enabled = TRUE
background_dump_dest = /export/home1/oracle/admin/hswapdb/bdump
user_dump_dest = /export/home1/oracle/admin/hswapdb/udump
core_dump_dest = /export/home1/oracle/admin/hswapdb/cdump
sort_area_size = 524288
db_name = hswapdb
open_cursors = 300
star_transformation_enabled= FALSE
query_rewrite_enabled = FALSE
pga_aggregate_target = 154140672
aq_tm_processes = 1

.................

Tue Mar 23 13:40:45 2004
skgpspawn failed:category = 27142, depinfo = 12, op = fork, loc = skgpspawn3
skgpspawn failed:category = 27142, depinfo = 12, op = fork, loc = skgpspawn3
skgpspawn failed:category = 27142, depinfo = 12, op = fork, loc = skgpspawn3
skgpspawn failed:category = 27142, depinfo = 12, op = fork, loc = skgpspawn3
skgpspawn failed:category = 27142, depinfo = 12, op = fork, loc = skgpspawn3
skgpspawn failed:category = 27142, depinfo = 12, op = fork, loc = skgpspawn3
skgpspawn failed:category = 27142, depinfo = 11, op = fork, loc = skgpspawn5
skgpspawn failed:category = 27142, depinfo = 12, op = fork, loc = skgpspawn3
skgpspawn failed:category = 27142, depinfo = 12, op = fork, loc = skgpspawn3
Tue Mar 23 13:42:02 2004
skgpspawn failed:category = 27142, depinfo = 12, op = fork, loc = skgpspawn3
skgpspawn failed:category = 27142, depinfo = 12, op = fork, loc = skgpspawn3
skgpspawn failed:category = 27142, depinfo = 12, op = fork, loc = skgpspawn3
skgpspawn failed:category = 27142, depinfo = 12, op = fork, loc = skgpspawn3
Tue Mar 23 13:55:38 2004
Starting ORACLE instance (normal)
Shutting down instance: further logons disabled
Tue Mar 23 13:56:20 2004
Shutting down instance (abort)
License high water mark = 26
Instance terminated by USER, pid = 25112
Tue Mar 23 13:56:37 2004
Starting ORACLE instance (normal)
LICENSE_MAX_SESSION = 0
LICENSE_SESSIONS_WARNING = 0
SCN scheme 3
Using log_archive_dest parameter default value
LICENSE_MAX_USERS = 0
SYS auditing is disabled
Starting up ORACLE RDBMS Version: 9.2.0.3.0.
System parameters with non-default values:
processes = 400
timed_statistics = TRUE
shared_pool_size = 117440512
large_pool_size = 83886080
java_pool_size = 33554432
control_files = /export/home1/oracle/oradata/hswapdb/control01.ctl,

/export/home1/oracle/oradata/hswapdb/control02.ctl,
/export/home1/oracle/oradata/hswapdb/control03.ctl
db_block_size = 8192
db_cache_size = 352321536
compatible = 9.2.0.0.0
db_file_multiblock_read_count= 16
fast_start_mttr_target = 300
undo_management = AUTO
undo_tablespace = UNDOTBS1
undo_retention = 10800
remote_login_passwordfile= EXCLUSIVE
db_domain = eygle.com
instance_name = hswapdb
dispatchers = (PROTOCOL=TCP) (SERVICE=hswapdbXDB)
remote_dependencies_mode = SIGNATURE
job_queue_processes = 10
hash_join_enabled = TRUE
background_dump_dest = /export/home1/oracle/admin/hswapdb/bdump
user_dump_dest = /export/home1/oracle/admin/hswapdb/udump
core_dump_dest = /export/home1/oracle/admin/hswapdb/cdump
sort_area_size = 524288
db_name = hswapdb
open_cursors = 300
star_transformation_enabled= FALSE
parallel_automatic_tuning= TRUE
query_rewrite_enabled = FALSE
pga_aggregate_target = 154140672
aq_tm_processes = 1
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
CJQ0 started with pid=8
QMN0 started with pid=9
Tue Mar 23 13:56:42 2004
starting up 1 shared server(s) ...
Tue Mar 23 13:56:42 2004
starting up 1 dispatcher(s) for network address ''''(ADDRESS=(PARTIAL=YES)(PROTOCOL=TCP))''''...
Tue Mar 23 13:56:43 2004
ALTER DATABASE MOUNT
Tue Mar 23 13:56:47 2004
Successful mount of redo thread 1, with mount id 3253076635.
Tue Mar 23 13:56:47 2004
Database mounted in Exclusive Mode.
Completed: ALTER DATABASE MOUNT
Tue Mar 23 13:56:47 2004
Current log# 2 seq# 2136 mem# 0: /export/home1/oracle/oradata/hswapdb/redo02.log
Successful open of redo thread 1.
Tue Mar 23 12:24:54 2004
SMON: enabling cache recovery
Tue Mar 23 12:24:56 2004
Undo Segment 1

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