instancename
|
text
|
Instance name
|
timestamp
|
timestamp with time zone
|
Timestamp
|
used_cpu
|
int
|
CPU usage of the instance
|
free_mem
|
int
|
Unused memory of the instance, in MB
|
used_mem
|
int
|
Used memory of the instance, in MB
|
io_await
|
real
|
Average wait time for an I/O operation on the disk used by the instance. The average value is within 10 seconds.
|
io_util
|
real
|
io_util value of the disk used by the instance. The average value is within 10 seconds.
|
disk_read
|
real
|
Disk read rate of the instance, in KB/s. The average value is within 10 seconds.
|
disk_write
|
real
|
Disk write rate of the instance, in KB/s. The average value is within 10 seconds.
|
process_read
|
bigint
|
Read rate (excluding the number of bytes read from the disk pagecache) of the corresponding instance process that reads data from a disk within 10 seconds, in KB/s
|
process_write
|
bigint
|
Write rate (excluding the number of bytes written to the disk pagecache) of the corresponding instance process that writes data to a disk within 10 seconds, in KB/s
|
logical_read
|
bigint
|
Primary database node instance: not collected
Database node instance: logical read byte rate of the instance within the statistical interval (10 seconds), in KB/s
|
logical_write
|
bigint
|
Primary database node instance: not collected
Database node instance: logical write byte rate of the instance within the statistical interval (10 seconds), in KB/s
|
read_counts
|
bigint
|
Primary database node instance: not collected
Database node instance: total number of logical read operations of the instance within the statistical interval (10 seconds)
|
write_counts
|
bigint
|
Primary database node instance: not collected
Database node instance: total number of logical write operations of the instance within the statistical interval (10 seconds)
|