Title: RE: Diagnose Slow System

I apologize if I missed the final post.  Did you discovered the cause of the problem?

Tony Aponte

-----Original Message-----
From: Baker, Barbara [mailto:[EMAIL PROTECTED]]
Sent: Thursday, May 23, 2002 6:13 PM
To: Multiple recipients of list ORACLE-L
Subject: Diagnose Slow System


List:
We've been fighting problems for several days. I've sort of overwhelmed
myself with data, but I don't know what any of it means.

Solaris 2.6, Oracle 8.0.5, MTS  
Users complain of extreme slowness.  No errors in alert, no trace files
generated.
Database is bounced every day.  I capture wait statistics each day before
the database goes down.  The statistics from v$system_event for enqueue
waits has gone up considerably since the problems started last Wednesday.
But when I look at v$lock (I'm using Steve Adams' enqueue_locks.sql
scripts), nothing pops up.

Any ideas where I should start looking?   I would appreciate any help.
(I really believe this is a connectivity (networking) issue, but don't know
how to confirm this)
Thanks!
Barb

(accumulted since last night at 11:00 pm)


EVENT                       TOTAL_WAITS TOTAL_TIMEOUTS TIME_WAITED
AVERAGE_WAIT
--------------------------- ----------- -------------- -----------
------------
latch free                       814316           4064      106360
.130612686
enqueue                             147             26       12033
81.8571429
free buffer waits                     4              0          23
5.75
buffer busy waits                  2959              0         567
.19161879
log file parallel write           68177              0       78788
1.155639
log file sync                     66683              1       77517
1.16247019
db file sequential read         1385334              0      144617
.104391432
db file scattered read          1113301              0      142545
.12803815


(The info captured below is unusual.  running this repeatedly normally shows
nothing
except smon TS resource wait)


RESOURCE              NSID  SID HOLDING WANTING    SECONDS
-------------------- ----- ---- ------- ------- ----------
RT-1-0                   4 LGWR       X                  0
TM-1949-0               46   46      SX                  0
TM-1999-0              423  423      SX                  4
                        46   46      SX                  0
TM-2014-0               46   46      SX                  0
TM-2106-0               46   46      SX                  0
TM-2218-0               46   46      SX                  0
TM-2270-0              423  423      SX                  4
TM-2275-0              423  423      SX                  4
                        46   46      SX                  0
TS-1-8388610             6 SMON      SX              48069
TX-1114154-43605        46   46       X                  0
TX-852064-43554        423  423       X                  4


(Below is also unusual.  Running this repeatedly normally returns no rows)


Sess    Ser Wait       Wait         Time   W'd So
  ID     No Event      State    W'd (ms) Far (ms)             P1         P2
P3
---- ------ ---------- -------- -------- -------- -------------- ----------
----
  16     19 latch free WAITING         0        0     2147519876         59
0
  92     38 latch free WAITED S       -1        0     2147519876         59
0
                       HORT TIM
                       E

 565     31 latch free WAITING         0        0     2147519876         59
0
 636  11604 latch free WAITED S       -1        0     2147519876         59
0
                       HORT TIM
                       E


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--
Author: Baker, Barbara
  INET: [EMAIL PROTECTED]

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