Re: How to find large_pool map in SGA?
- From: fairlie rego <fairlie_r@xxxxxxxxx>
- To: gorbyx@xxxxxxxxx
- Date: Sun, 11 Feb 2007 12:38:52 -0800 (PST)
Alex,
I don't have access to a system right now but I think x$ksmls could have the
info u're looking for.
Thanks
Fairlie
Alex Gorbachev <gorbyx@xxxxxxxxx> wrote:
Listers,
I need to identify memory chunks (addresses + sizes) within large pool where
certain areas are located.
I know how to do it with shared pool areas. The total area size is in X$KSMSS
and chunks are in X$KSMSP:
SQL> select * from x$ksmss where KSMSSNAM = 'sql area';
ADDR INDX INST_ID KSMSSLEN KSMSSNAM KSMDSIDX
-------- ---------- ---------- ---------- -------------------------- ----------
B70F8C88 2 1 0 sql area 0
B70F8C88 19 1 12365696 sql area 1
SQL> select * from x$ksmsp where KSMCHCOM = 'sql area' and rownum <= 10;
ADDR INDX INST_ID KSMCHIDX KSMCHDUR KSMCHCOM KSMCHPTR
KSMCHSIZ KSMCHCLS KSMCHTYP KSMCHPAR
-------- ---------- ---------- ---------- ---------- ---------------- --------
---------- -------- ---------- --------
B6DF9B0C 0 1 1 4 sql area 35FFF000
4096 recr 4095 363E9E3C
B6DF9AD4 1 1 1 4 sql area 35FFE000
4096 freeabl 0 36291BE4
B6DF9A64 3 1 1 4 sql area 35FFCBD0
4096 recr 4095 363FC11C
B6DF9A2C 4 1 1 4 sql area 35FFBBD0
4096 recr 4095 363EDD0C
B6DF99F4 5 1 1 4 sql area 35FFABD0
4096 recr 4095 3636B8BC
B6DF98A4 11 1 1 4 sql area 35FF87A0
4096 recr 4095 363F34FC
B6DF986C 12 1 1 4 sql area 35FF77A0
4096 freeabl 0 363E95DC
B6DF971C 18 1 1 4 sql area 35FF5308
4096 recr 4095 3638906C
B6DF96E4 19 1 1 4 sql area 35FF4308
4096 freeabl 0 3638906C
B6DF9674 21 1 1 4 sql area 35FF2ED8
4096 freeabl 0 3636B8BC
10 rows selected.
Unfortunately, I cannot find any X$ table for large pool that is similar to
x$ksmsp. Large pool is managed differently than shared pool and has no LRU list
for example. However, I would still expect to find large pool map somewhere. I
tried to find something in X$KSMMEM but I couldn't identify there what I'm
looking for.
Any suggestions are greatly appreciated.
TIA,
Alex
--
Best regards,
Alex Gorbachev
The Pythian Group
Sr. Oracle DBA
http://www.pythian.com/blogs/author/alex/
http://blog.oracloid.com
Fairlie Rego
Senior Oracle Consultant
http://www.linkedin.com/in/fairlierego
http://el-caro.blogspot.com/
M: +61 402 792 405
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