1. 通过查询v$session 视图,获知PADDR地址。
- set lines 150
- SQL> select username,sid,paddr from v$session where username is not null
- USERNAME SID PADDR
- ------------------------------ ---------- --------
- SYSTEM 17 270846EC
- SYSTEM 142 270825D4
这里我们看到2个session 的PADDR
2. 通过PADDR,和视图v$process关联后,得到spid。
- SQL> select addr,pid,spid,username from v$process where addr in ('270846EC','270825D4');
- ADDR PID SPID USERNAME
- -------- ---------- ------------------------ ---------------
- 270825D4 23 7264 SYSTEM
- 270846EC 26 4196 SYSTEM
我们看到了,2个session 的spid,和pid了
3. 再查看v$process_memory视图
- SQL> col USERNAME for a10
- SQL> col SPID for a8
- SQL> col PROGRAM for a20
- SQL> select p.username,p.spid,p.program,pm.category,pm.used,pm.allocated,pm.max_allocated
- 2 from v$process p ,v$process_memory pm
- 3 where p.pid=pm.pid
- 4 and p.pid = 23
- 5 ;
- USERNAME SPID PROGRAM CATEGORY USED ALLOCATED MAX_ALLOCATED
- ---------- -------- -------------------- --------------- ---------- ---------- -------------
- SYSTEM 7264 ORACLE.EXE (SHAD) SQL 34284 145312 332020
- SYSTEM 7264 ORACLE.EXE (SHAD) PL/SQL 23640 30168 31256
- SYSTEM 7264 ORACLE.EXE (SHAD) Other 1039006 1039006
到这里就可以找到sid 142 session的pga内存使用情况了
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