15.10 - I/O Hard Limits Columns - Teradata Database

Teradata Database Resource Usage Macros and Tables

Product
Teradata Database
Release Number
15.10
Published
April 2016
Language
English (United States)
Last Update
2018-05-17
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The Input/Output Token Allocations (IOTA) columns provide the percentage of disk throughput that is being used.

Column Name Mode Description Data Type
FullPotentialIota count Sum of the full potential input or output token allocations from all devices attached to the node.

The input or output token allocations are not limited by the IO_COD setting.

The value is computed by summing the cod_full_potential_iota field for each device in the /proc/tdmeter/disk_cod_stats file.

FLOAT
CodPotentialIota count Sum of potential input or output token allocations from all devices attached to the node.

The input or output token allocations are accumulated only when an I/O is pending on a device and are limited by the IO_COD setting.

The value is computed by summing the cod_allocated_iota field for each device in the /proc/tdmeter/disk_cod_stats file.

FLOAT
UsedIota count Sum of used input or output token allocations from all devices attached to the node.

The value is computed by summing the cod_used_iota field for each device in the /proc/tdmeter/disk_cod_stats file.

FLOAT