mongocli cloud-manager metrics disks describe¶

The metrics disks describe command lists the available metrics for a specified partition on a specified MongoDB Cloud Manager host. You can get a list of partition names for a host with the metrics disks list command. You can get the host IDs associated with a particular MongoDB Cloud Manager project with the process list command.

Syntax¶

mongocli cloud-manager|cm metrics disks describe <hostID> <partition-name>
     --granularity <granularity>
     --period <period>
     --start <start>
     --end <end>
     [--limit <number>]
     [--page <number>]
     [--type <type>]
     [ --output|-o <output-format> ]
     [ --profile|-P <profile-name> ]
     [ --projectId <project-ID> ]

Note

Use -h or --help to view the command-line help for this command.

Options¶

Note

You must specify either:

period or
start and end.

Option

Type

Description

Required?

<partition-name>

string

The name of the disk or partition for which to get available metrics.

yes

end

String

The time at which to stop retrieving metrics, as specified by an ISO-8601 timestamp string. If you specify end, you must also specify start. Mutually exclusive with period.

yes

granularity

String

An ISO-8601-formatted time period that specifies the interval between metric data points. For example, PT1M specifies 1-minute granularity.

The following subset of ISO-8601-formatted time periods are supported:

PT1M
PT5M
PT1H
P1D

yes

<hostID>

String

The host ID of the server running the MongoDB process.

yes

--limit

number

Number of items per page.

no

--output, -o

string

Command output format. Valid values are:

json for output in JSON format
go-template for custom output using the Go template
go-template-file for custom output specified using the Go template file

If omitted, the command returns output in the default format.

no

--page

number

Page number

no

period

String

An ISO-8601-formatted time period that specifies the length of time in the past to query. For example, to request the last 36 hours, specify: period=P1DT12H. Mutually exclusive with start and end.

yes

--profile, -P

string

Name of the profile where the project ID and the Programmatic API Keys for the project are saved. If omitted, uses the default profile. To learn more about creating a profile, see Configure the MongoDB CLI.

no

--projectId

string

Unique identifier of the project. If omitted, uses the project ID in the profile or environment variable.

no

start

String

The time at which to start retrieving metrics, as specified by an ISO-8601 timestamp string. If you specify start, you must also specify end. Mutually exclusive with period.

yes

type

String

Specifies which metric to return. If type is not specified, all metrics are returned.

You must specify a metric that is valid for the host. Atlas returns an error if a specified metric is invalid.

The following metric values are valid:


`DISK_PARTITION_IOPS_READ` `DISK_PARTITION_IOPS_WRITE` `DISK_PARTITION_IOPS_TOTAL`	Measures throughput of I/O operations for the disk partition used for MongoDB.
`DISK_PARTITION_UTILIZATION`	The percentage of time during which requests are being issued to and serviced by the partition. This includes requests from any process, not just MongoDB processes.
`DISK_PARTITION_LATENCY_READ` `DISK_PARTITION_LATENCY_WRITE`	Measures latency, per operation type, of the disk partition used by MongoDB.
`DISK_PARTITION_SPACE_FREE` `DISK_PARTITION_SPACE_USED` `DISK_PARTITION_SPACE_PERCENT_FREE` `DISK_PARTITION_SPACE_PERCENT_USED`	Measures the free disk space and used disk space on the disk partition used by MongoDB.

no

Output¶

The command prints the following fields in the specified format to the terminal if the command succeeds. If the command prints an error, see Troubleshooting for recommended solutions.

The HTTP response returns a JSON document that includes the following objects:

Name	Type	Description
`end`	string	The end of the period for which to retrieve metrics, specified as an ISO-8601 timestamp.
`granularity`	string	An ISO-8601-formatted time period that specifies the size of the interval covered by each data point. For example, `PT5M` specifies a 5-minute granularity.
`groupId`	string	The ID of the project that owns the MongoDB process.
`hostId`	string	The hostname of the machine running the MongoDB process.
`links`	document array	One or more links to sub-resources and/or related resources. The relations between URLs are explained in the Web Linking Specification.
`measurements`	object array	An array of metrics and their data points.
`measurements.name`	string	The name of the metric.
`measurements.units`	string	How the metric is quantified. Possible units are: `PERCENT` `MILLISECONDS` `BYTES` `GIGABYTES` `BYTES_PER_SECOND` `MEGABYTES_PER_SECOND` `GIGABYTES_PER_HOUR` `SCALAR_PER_SECOND` `SCALAR`
`partitionName`	string	Name of the disk or partition to which the metrics pertain.
`processId`	string	The hostname and port of the machine running the MongoDB process.
`start`	string	The start of the period for which to retrieve metrics, specified as an ISO-8601 timestamp.

Example¶

The following example uses the mongocli cloud-manager metrics disks describe command to retrieve available process metrics for the data partition on a host with ID 5abbc52a0bd66b71d71f5698. The granularity is set to one minute, with a period of one minute. The command uses the default profile, where the project ID and the Programmatic API Keys are stored.

mongocli cloud-manager metrics disks describe \
  5abbc52a0bd66b71d71f5698 data \
  --granularity PT1M --period PT1M --output json

The previous command produces the following output.

{
     "end": "",
     "granularity": "PT1M",
     "groupId": "5dd5a6b6f10fab1d71a58495",
     "hostId": "5abbc52a0bd66b71d71f5698",
     "links": [
     ],
     "measurements": [
             {
                     "name": "DISK_PARTITION_IOPS_READ",
                     "units": "SCALAR_PER_SECOND"
             },
             {
                     "name": "DISK_PARTITION_IOPS_WRITE",
                     "units": "SCALAR_PER_SECOND"
             },
             {
                     "name": "DISK_PARTITION_IOPS_TOTAL",
                     "units": "SCALAR_PER_SECOND"
             },
             {
                     "name": "DISK_PARTITION_UTILIZATION",
                     "units": "PERCENT"
             },
             {
                     "name": "DISK_PARTITION_LATENCY_READ",
                     "units": "MILLISECONDS"
             },
             {
                     "name": "DISK_PARTITION_LATENCY_WRITE",
                     "units": "MILLISECONDS"
             },
             {
                     "name": "DISK_PARTITION_SPACE_FREE",
                     "units": "BYTES"
             },
             {
                     "name": "DISK_PARTITION_SPACE_USED",
                     "units": "BYTES"
             },
             {
                     "name": "DISK_PARTITION_SPACE_PERCENT_FREE",
                     "units": "PERCENT"
             },
             {
                     "name": "DISK_PARTITION_SPACE_PERCENT_USED",
                     "units": "PERCENT"
             }
     ],
     "processId": "shard-00-02.qmljy.mongodb.net:27017",
     "start": "",
     "partitionName": "data"
 }

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