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my wait events - can anyone see a problem?

OracleGuy777Oct 22 2009 — edited Oct 23 2009
hi,

this is what i have, can anyone see a problem?

thanks

EVENT                               TOTAL_WAITS  PCT_WAITS TIME_WAIT_SEC PCT_TIME_WAITED TOTAL_TIMEOUTS PCT_TIMEOUTS AVERAGE_WAIT_SEC
----------------------------------- ----------- ---------- ------------- --------------- -------------- ------------ ----------------
Streams AQ: qmn slave idle wait          148147         .3    4051461.88           38.04           3478          .07            27.35
Streams AQ: qmn coordinator idle wa      291006        .59    3962890.53           37.21         148370         3.13            13.62
it

Streams AQ: waiting for time manage         948          0     2021434.2           18.98            948          .02          2132.31
ment or cleanup tasks

control file parallel write             1292057       2.64     266839.64            2.51              0            0              .21
log file parallel write                28433394      58.02     134658.55            1.26              0            0                0
db file sequential read                 8307195      16.95      69830.07             .66              0            0              .01
free buffer waits                       3117839       6.36      43374.04             .41        3106093        65.55              .01
log buffer space                          55520        .11       20810.2              .2          20235          .43              .37
db file scattered read                   583604       1.19      18169.58             .17              0            0              .03
write complete waits                      17946        .04      17536.66             .16          17941          .38              .98
log file sync                            282268        .58      10005.35             .09           9369           .2              .04
enq: RO - fast object reuse               26602        .05       6623.44             .06           2171          .05              .25
enq: CF - contention                       1839          0       5178.14             .05           1723          .04             2.82
Streams AQ: qmn coordinator waiting         999          0       4311.01             .04            883          .02             4.32
 for slave to start

buffer busy waits                         32464        .07       3898.51             .04           3950          .08              .12
control file sequential read            2199199       4.49       3558.34             .03              0            0                0
SGA: MMAN sleep for component shrin      234330        .48       2523.65             .02         234216         4.94              .01
k

buffer exterminate                         1583          0       1539.72             .01           1573          .03              .97
library cache pin                           317          0        927.71             .01            316          .01             2.93
enq: CI - contention                       1829          0        570.84             .01            159            0              .31
log file switch completion                 1658          0        517.18               0            425          .01              .31
enq: TX - row lock contention               257          0         438.8               0            149            0             1.71
read by other session                     27269        .06        355.17               0             52            0              .01
os thread startup                          3869        .01        338.67               0             98            0              .09
latch: shared pool                          760          0        285.87               0              0            0              .38
latch: row cache objects                    664          0           250               0              0            0              .38
Data file init write                      16324        .03        231.59               0              0            0              .01
reliable message                          19189        .04        218.16               0            170            0              .01
latch: library cache                        483          0        172.51               0              0            0              .36
SQL*Net message from dblink             1143086       2.33        128.69               0              0            0                0
latch free                                 6091        .01         121.1               0              0            0              .02
library cache load lock                      90          0         89.48               0             18            0              .99
log file single write                      1894          0         69.76               0              0            0              .04
cursor: pin S wait on X                    5183        .01         55.87               0           5165          .11              .01
local write wait                           6732        .01         42.58               0              2            0              .01
log file switch (checkpoint incompl          95          0         42.11               0             30            0              .44
ete)

row cache lock                              119          0         30.96               0             10            0              .26
SQL*Net more data from dblink             17198        .04         25.92               0              0            0                0
log file switch (private strand flu          69          0         17.54               0              5            0              .25
sh incomplete)

enq: HW - contention                        180          0         16.53               0              5            0              .09
enq: PR - contention                          9          0          14.5               0              2            0             1.61
enq: JS - queue lock                         51          0         12.36               0              0            0              .24
SQL*Net more data to client               48311         .1         11.66               0              0            0                0
enq: TM - contention                         12          0         10.66               0              3            0              .89
class slave wait                           3128        .01          7.03               0              1            0                0
JS coord start wait                          68          0          6.42               0             68            0              .09
direct path write                         92712        .19          6.06               0              0            0                0
control file heartbeat                        1          0          3.91               0              1            0             3.91
PX Deq: Par Recov Execute                   100          0           3.8               0              0            0              .04
log file sequential read                   1900          0          2.88               0              0            0                0
single-task message                          50          0          2.61               0              0            0              .05
enq: TX - contention                         11          0          2.38               0              0            0              .22
undo segment extension                  1181001       2.41          1.95               0        1180981        24.92                0
db file single write                        165          0           1.3               0              0            0              .01
enq: TX - index contention                   97          0          1.27               0              0            0              .01
LGWR wait for redo copy                   20840        .04           .66               0              0            0                0
JS kgl get object wait                        8          0           .63               0              8            0              .08
SQL*Net message to dblink               1143086       2.33           .55               0              0            0                0
kksfbc child completion                      14          0           .55               0             11            0              .04
direct path read temp                    217237        .44           .41               0              0            0                0
latch: cache buffers chains                2138          0           .37               0              0            0                0
latch: messages                            1245          0           .27               0              0            0                0
latch: redo writing                         786          0           .15               0              0            0                0
PX Deq: Par Recov Reply                      65          0           .09               0              0            0                0
latch: checkpoint queue latch               171          0           .09               0              0            0                0
latch: redo allocation                     1029          0           .08               0              0            0                0
latch: cache buffers lru chain              268          0           .07               0              0            0                0
SGA: allocation forcing component g           5          0           .05               0              2            0              .01
rowth

db file parallel read                        83          0           .04               0              0            0                0
latch: In memory undo latch                 558          0           .04               0              0            0                0
latch: object queue header operatio         338          0           .04               0              0            0                0
n

direct path read                           5042        .01           .03               0              0            0                0
PX Deque wait                                 7          0           .02               0              0            0                0
direct path write temp                     4691        .01           .02               0              0            0                0
enq: SQ - contention                          1          0           .02               0              0            0              .02
latch: session allocation                   190          0           .02               0              0            0                0
PX Deq: Join ACK                             15          0           .01               0              0            0                0
cursor: pin S                               894          0           .01               0              0            0                0
enq: TX - allocate ITL entry                 37          0           .01               0              0            0                0
kkdlgon                                      15          0           .01               0              0            0                0
latch: enqueue hash chains                   37          0           .01               0              0            0                0
library cache lock                            1          0           .01               0              0            0              .01
Log archive I/O                               1          0             0               0              0            0                0
PX Deq: Par Recov Change Vector               2          0             0               0              0            0                0
PX Deq: Signal ACK                            3          0             0               0              0            0                0
PX Deq: Test for msg                          1          0             0               0              0            0                0
PX qref latch                                 1          0             0               0              1            0                0
SQL*Net break/reset to dblink                 5          0             0               0              0            0                0
SQL*Net more data to dblink                   1          0             0               0              0            0                0
buffer deadlock                              27          0             0               0             27            0                0
checkpoint completed                          4          0             0               0              0            0                0
cursor: mutex S                               3          0             0               0              0            0                0
cursor: mutex X                               1          0             0               0              0            0                0
enq: JS - q mem clnup lck                     1          0             0               0              0            0                0
enq: PS - contention                          2          0             0               0              0            0                0
enq: US - contention                          1          0             0               0              0            0                0
instance state change                         2          0             0               0              0            0                0
latch: library cache lock                     4          0             0               0              0            0                0
latch: library cache pin                      1          0             0               0              0            0                0
latch: object queue header heap               8          0             0               0              0            0                0
latch: undo global data                       3          0             0               0              0            0                0
recovery read                                39          0             0               0              0            0                0
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Locked on Nov 20 2009
Added on Oct 22 2009
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