dskreads |
Number of actual reads from disk |
bufreads |
Number of reads from shared memory |
dskwrites |
Actual number of writes to disk |
bufwrites |
Number of writes to shared memory |
isamtot |
Total number of calls |
isopens |
isopen calls |
isstarts |
isstart calls |
isreads |
isread calls |
iswrites |
iswrite calls |
isrewrites |
isrewrite calls |
isdeletes |
isdelete calls |
iscommits |
iscommit calls |
isrollbacks |
isrollback calls |
ovlock |
Overflow lock table |
ovuser |
Overflow user table |
ovtrans |
Overflow transaction table |
latchwts |
Latch request waits |
bufwts |
Buffer waits |
lockreqs |
Lock requests |
lockwts |
Lock waits |
ckptwts |
Checkpoint waits |
deadlks |
Deadlocks |
lktouts |
Deadlock time-outs |
numckpts |
Number checkpoints |
plgpagewrites |
Physical-log pages written |
plgwrites |
Physical-log writes |
llgrecs |
Logical-log records |
llgpagewrites |
Logical-log writes |
llgwrites |
Logical-log pages written |
pagreads |
Page reads |
pagwrites |
Page writes |
flushes |
Buffer-pool flushes |
compress |
Page compresses |
fgwrites |
Foreground writes |
lruwrites |
Least-recently used (LRU) writes |
chunkwrites |
Writes during a checkpoint |
btradata |
Read-ahead data pages read through index leaf node |
btraidx |
Read-ahead data pages read through index branch or root
node |
dpra |
Data pages read into memory with read-ahead feature |
rapgs_used |
Read-ahead data pages that user used |
seqscans |
Sequential scans |
totalsorts |
Total sorts |
memsorts |
Sorts that fit in memory |
disksorts |
Sorts that did not fit in memory |
maxsortspace |
Maximum disk space used by a sort |