Collector for HANA I/O Performance
The technical name of the Collector for HANA I/O Performance is /DVD/MON_HDB_CL_COL_IO.
This collector collects the speed and ratios of I/O operations for HANA.
Default KPIs Delivered with This Collector
The following default KPIs are delivered with this collector:
KPI name |
Description |
Unit |
Detail table |
---|---|---|---|
HDB_IO_MINREAD |
Minimum I/O data read speed |
MB/sec |
No |
HDB_IO_MINWRITE |
Minimum I/O data write speed |
MB/sec |
No |
HDB_IO_RR_DATA |
Maximum data read ratio |
% |
No |
HDB_IO_SER_READ |
I/O data read speed per host |
MB/sec |
No |
HDB_IO_SER_RR |
Data read ratio per host |
% |
No |
HDB_IO_SER_WLOG |
Log write ratio per host |
% |
No |
HDB_IO_SER_WR |
Data write ratio per host |
% |
No |
HDB_IO_SER_WRITE |
I/O data write speed per host |
MB/sec |
No |
HDB_IO_WR_DATA |
Maximum data write ratio |
% |
No |
HDB_IO_WR_LOG |
Maximum log write ratio |
% |
No |
Parameters
The following parameters are used for this collector:
Parameter name |
Description |
---|---|
USE_SYS_STATISTICS |
If selected, instead of collecting the current system statistics, this parameter will collect changes to statistics since the last collector run. Default value: Disabled |