The onstat -p command provides statistical information that has accumulated since either boot time or the last onstat -z command.
Profile dskreads pagreads bufreads %cached dskwrits pagwrits bufwrits %cached 5767486485 13351774132 794077832853 99.27 2966809974 31758349077 12100380523 76.06 isamtot open start read write rewrite delete commit rollbk 354237566035 7013984563 13082182077 294705874019 2960909735 1505722497 695139443 587215777 709276 gp_read gp_write gp_rewrt gp_del gp_alloc gp_free gp_curs 73058341 13212332 169280097 14446106 0 0 24 ovlock ovuserthread ovbuff usercpu syscpu numckpts flushes 0 0 0 2252336.00 153187.69 160776 265772 bufwaits lokwaits lockreqs deadlks dltouts ckpwaits compress seqscans 287904902 154998 1433942663655 24514 0 141104 78935790 46200522 ixda-RA idx-RA da-RA RA-pgsused lchwaits 17763868 253562 5421349289 5439235742 3567810106
Heading | Description | Format | See Also |
---|---|---|---|
dskreads | The number of actual physical block reads from disk in terms of I/O. | Dec | onstat -g iof |
pagreads | The number of pages read as a result of the disk reads. | Dec | |
bufreads | The number of times a read occurred against the buffer pool in shared memory. | Dec | |
%cached | The percentage of reads from shared memory relative to disk reads. The formula is: 100 * (bufreads- dskreads) / bufreads | Flt | |
dskwrits | The number of actual physical block writes to disk in terms of I/O. This number includes Physical and Logical Log I/O as well. | Dec | |
pagwrits | The number of pages actually written to disk. | Dec | |
bufwrits | The number of writes made against a page in the buffer pool. | Dec | |
%cached | The percentage of writes to shared memory relative to disk writes. The formula is: 100 * (bufwrits- dskwrits) / bufwrits | Flt | |
isamtot | The total number of ISAM calls that have been made. | Dec | |
open | The number of open table calls. | Dec | |
start | The number of index read calls. | Dec | |
read | The number of data read calls (usually SELECT). | Dec | |
write | The number of write calls (usually INSERT). | Dec | |
rewrite | The number of update calls (UPDATE). | Dec | |
delete | The number of delete calls (DELETE). | Dec | |
commit | The number of times OnLine performed a commit. | Dec | |
rollbk | The number of times a transaction was rolled back. | Dec | |
gp_read | The number of generic page reads that have occurred. | Dec | onstat -g pgp |
gp_write | The number of generic page writes that have occurred. | Dec | |
gp_rewrt | The number of generic page updates that have occurred. | Dec | |
gp_del | The number of generic page delete that have occurred. | Dec | |
gp_alloc | The number of generic page allocations that have occurred. | Dec | |
gp_free | The number of generic pages freed and returned to partitions. | Dec | |
gp_curs | The number of cursors used against generic pages. | Dec | |
ovlock | Increments when the value of LOCKS is exceeded. | Dec | |
ovuserthread | Increments when the maximum number of userthreads is exceeded relative to the setting of NETTYPE. | Dec | |
ovbuff | The number of times a request was made for a buffer in the buffer pool but none was available. | Dec | |
usercpu | The total user cpu time used by all userthreads. | Flt | onstat -g glo |
syscpu | The total system cpu time used by all userthreads. | Flt | onstat -g glo |
numckpts | The number of checkpoints that have occurred since OnLine was booted. | Dec | onstat -m |
flushes | The number of times the buffer pool has been flushed to disk. | Dec | |
bufwaits | Increments when a userthread must wait to acquire a buffer. | Dec | |
lokwaits | Increments when a userthread must wait to acquire a lock. | Dec | |
lockreqs | The total number of lock requests that have occurred. | Dec | |
deadlks | The number of potential deadlocks situations that have been encountered. | Dec | |
dltouts | Increments when a distributed deadlock condition is encountered. | Dec | |
ckpwaits | The number of times a thread has had to wait for a checkpoint to complete before continuing. | Dec | |
compress | Increments when a data page in memory is compressed. | Dec | |
seqscans | The number of sequential scans that have occurred. | Dec | |
ixda-RA | The number of read-aheads that involved index leaves to data pages. | Dec | |
idx-RA | The number of read-aheads that involved index only traversal. | Dec | |
da-RA | The number of read-aheads that involved data page only traversal. | Dec | |
RA-pgsused | The actual number of read ahead pages used of those read. | Dec | |
lchwaits | Increments when a userthread must wait to acquire a shared memory resource. | Dec |
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