Oracle DB Monitoring

Oracle DB monitoring schema

XorMon NG obtains data through SQL (SQL*Plus). Oracle client must be installed on XorMon NG server.
Monitoring implementation does not require any Oracle licensed features like Oracle Diagnostics Pack or Oracle Tuning Pack .

XorMon NG requires a database user with the following view only permissions to collect monitoring data:
  • create session
  • select rights on specific sys.* tables

Supported databases

  • RAC
  • Standalone
  • Multitenant

Collected Metrics

Subsystem Metric Standalone RAC Multitenant
CDB PDB
Health Status yes yes yes yes
Alert History yes yes yes yes
Configuration Main yes yes yes
SGA yes yes yes yes
Tablespace yes yes yes
Installed DB components yes yes yes
Upgrade, Downgrade info yes yes yes
PSU, Patches yes yes yes
CDB/PDB info yes yes
Interconnect Traffic MB/sec yes
Configuration yes
Datafiles Performance Stats (table) yes yes yes
Global Cache Get Time yes
block a sec yes
block 2 way/3 way yes
block bussy/congest, grant congest yes
block lost, blocks corrupted/lost, retry yes
split, bussy release, disk read, multiblock request, grant busy, busy acquire yes
remaster yes
CPU Host CPU utilization yes yes yes
CPU core Per Sec yes yes yes
CPU core Per Txn yes yes yes
IO Total yes yes yes yes
Physical Read yes yes yes yes
Physical Write yes yes yes yes
Data Total yes yes yes yes
Redo yes yes yes yes
Physical Read yes yes yes yes
Physical Write yes yes yes yes
SGA data Block Changes yes yes yes
Logical Read yes yes yes
Session Current Logons Count yes yes yes
Active Serial Sessions yes yes
Logons Per Sec yes yes yes
Active Parallel Sessions yes yes
Avg Active Sessions yes yes
SQL query User yes yes yes
Cursors yes yes yes
Hard Parse yes yes yes
Executions yes yes yes
Network MB/sec yes yes yes yes
Ratio Buffer Cache Hit yes yes yes yes
PGA Cache Hit yes yes yes yes
Memory Sorts yes yes yes yes
Soft Parse yes yes yes yes
CPU Time yes yes yes yes
Wait Time yes yes yes yes
Latency DB files read yes yes yes yes
DB files write yes yes yes yes
LOG files write yes yes yes yes
Flashback latency yes yes yes yes
Wait class Average wait FG yes yes yes yes
Average wait yes yes yes yes
Services Physical Writes yes yes yes yes
Physical Reads yes yes yes yes