db2 resources on linux

[Jean-Marc Blaise]

Dear all,

I have 2 short questions on resources taken by DB2 on linux, after a
db2start:

1) Why do we have 3 db2ckpw processes started by the db2sysc process, to
check the user authentication, and not only 1 ?

2) Why is there a shared memory (22 Mb) taken by the fenced user, even if I
set FENCED_POOL = 0 in the dbm cfg ?

I would like to know if there is a way to limit these resources.

Regards,

Jean-Marc

[PM \(pm3iinc-nospam\)]

In v8 fp1 they introduced DB2_FMP_COMM_HE APSZ. (+- 20 mb is the default)
Could this db2set variable relate to your question?

PM

"Jean-Marc Blaise" <no****@nowhere .com> a écrit dans le message de
news:br******** **@news-reader2.wanadoo .fr...

Dear all,

I have 2 short questions on resources taken by DB2 on linux, after a
db2start:

1) Why do we have 3 db2ckpw processes started by the db2sysc process, to
check the user authentication, and not only 1 ?

2) Why is there a shared memory (22 Mb) taken by the fenced user, even if I set FENCED_POOL = 0 in the dbm cfg ?

I would like to know if there is a way to limit these resources.

Regards,

Jean-Marc

[Jean-Marc Blaise]

Hi PM,

Thats's it; thanks for your pointing; but I did not find this register in
the FP1 release notes. I think there is a strange behavior: if FENCED_POOL =
0 why allocating this 20 Mb memory ? Besides, I open a new thread for an
instance crash related to this register.

Thanks,

Jean-Marc

"PM (pm3iinc-nospam)" <PM(pm3iinc-nospam)@sympati co.ca> a écrit dans le
message de news:qC******** ***********@new s20.bellglobal. com...

In v8 fp1 they introduced DB2_FMP_COMM_HE APSZ. (+- 20 mb is the default)
Could this db2set variable relate to your question?

PM

"Jean-Marc Blaise" <no****@nowhere .com> a écrit dans le message de
news:br******** **@news-reader2.wanadoo .fr...

Dear all,

I have 2 short questions on resources taken by DB2 on linux, after a
db2start:

1) Why do we have 3 db2ckpw processes started by the db2sysc process, to
check the user authentication, and not only 1 ?

2) Why is there a shared memory (22 Mb) taken by the fenced user, even

if I

set FENCED_POOL = 0 in the dbm cfg ?

I would like to know if there is a way to limit these resources.

Regards,

Jean-Marc

[Jean-Marc Blaise]

PM, I Just forgot to add that looking for "FENCED_POO L" or
"DB2_FMP_COMM_H EAPSZ" is really a miserable task with the DB2 Information
Center. I still keep looking in the PDFs, I have more chance to find related
information quicker.

Cheers,

Jean-Marc

"Jean-Marc Blaise" <no****@nowhere .com> a écrit dans le message de
news:br******** **@news-reader3.wanadoo .fr...

Hi PM,

Thats's it; thanks for your pointing; but I did not find this register in
the FP1 release notes. I think there is a strange behavior: if FENCED_POOL = 0 why allocating this 20 Mb memory ? Besides, I open a new thread for an
instance crash related to this register.

Thanks,

Jean-Marc

"PM (pm3iinc-nospam)" <PM(pm3iinc-nospam)@sympati co.ca> a écrit dans le
message de news:qC******** ***********@new s20.bellglobal. com...

In v8 fp1 they introduced DB2_FMP_COMM_HE APSZ. (+- 20 mb is the default)
Could this db2set variable relate to your question?

PM

"Jean-Marc Blaise" <no****@nowhere .com> a écrit dans le message de
news:br******** **@news-reader2.wanadoo .fr...

Dear all,

I have 2 short questions on resources taken by DB2 on linux, after a
db2start:

1) Why do we have 3 db2ckpw processes started by the db2sysc process, to check the user authentication, and not only 1 ?

2) Why is there a shared memory (22 Mb) taken by the fenced user, even

if

I

set FENCED_POOL = 0 in the dbm cfg ?

I would like to know if there is a way to limit these resources.

Regards,

Jean-Marc