Help Center/Cloud Data Migration/User Guide/Creating and Managing a CDM Cluster/Managing and Viewing CDM Metrics/CDM Metrics
Updated on 2025-12-02 GMT+08:00
View PDF

CDM Metrics

Function

Cloud Eye monitors the running status of cloud services and usage of each metric, and creates alarm rules for monitoring metrics.

After you create a CDM cluster, Cloud Eye automatically associates with CDM monitoring metrics to help you understand the running status of the CDM cluster.

  • This section describes the CDM metrics that can be monitored by Cloud Eye as well as their namespaces and dimensions.
  • For details about CDM monitoring metrics, see Querying CDM Metrics.
  • For details about how to set alarm rules, see Configuring CDM Alarm Rules.

Prerequisites

You have obtained required Cloud Eye permissions.

Namespace

SYS.CDM

Metrics

Table 1 lists the CDM metrics.

Table 1 CDM metrics

ID

Name

Description

Value Range

Unit

Conversion Rule

Dimension

Monitoring Period (Raw Data)

bytes_in

Bytes In

Measures the network inbound rate of the monitored object.

≥ 0 bytes/s

bytes/s

1024(IEC)

instance_id

1 minute

bytes_out

Bytes Out

Measures the network outbound rate of the monitored object.

≥ 0 bytes/s

bytes/s

1024(IEC)

instance_id

1 minute

cpu_usage

CPU Usage

Measures the CPU usage of the monitored object.

0% to 100%

%

N/A

instance_id

1 minute

mem_usage

Memory Usage

Measures the memory usage of the monitored object.

0% to 100%

%

N/A

instance_id

1 minute

pg_pending_job

Number of Queued Jobs

Number of jobs in the PENDING state in the CDM instance.

NOTE:

This metric is available in version 2.10.0.300 and later versions.

>=0

Count

N/A

instance_id

1 minute

pending_threads

Maximum Concurrent Extractors

Number of concurrent extraction threads in the Waiting state in the CDM instance.

NOTE:

This metric is available in version 2.10.0.300 and later versions.

>=0

Count

N/A

instance_id

1 minute

disk_usage

Disk Usage

Measures the disk usage of the physical server accommodating the monitored ECS, which is not accurate as that obtained on the monitored ECS.

0.001% to 90%

%

N/A

instance_id

1 minute

disk_io

Disk I/O

Measures the bytes read from and written to a disk per second on the physical server accommodating the monitored ECS, which is not accurate as those obtained on the monitored ECS.

≥ 0 byte/s

byte/s

1024(IEC)

instance_id

1 minute

tomcat_heap_usage

Heap Memory Usage

Measures the heap memory usage of the physical server accommodating the monitored ECS, which is not accurate as that obtained on the monitored ECS.

0.001% to 90%

%

N/A

instance_id

1 minute

tomcat_connect

Tomcat Concurrent Connections

Measures the number of Tomcat concurrent connections on the physical server.

0 to 2,147,483,647

Count

N/A

instance_id

1 minute

tomcat_thread_count

Tomat Threads

Measures the number of Tomcat threads on the physical server.

0 to 2,147,483,647

Count

N/A

instance_id

1 minute

pg_connect

Database Connections

Measures the number of Postgres database connections on the physical server.

0 to 2,147,483,647

Count

N/A

instance_id

1 minute

pg_submission_row

Rows

Measures the number of rows in the submission table of the Postgres database on the physical server.

0 to 2,147,483,647

Count

N/A

instance_id

1 minute

pg_failed_job_rate

Job Failure Rate

Measures the job failure rate of the sqoop process on the physical server.

0.001% to 100%

%

N/A

instance_id

1 minute

inodes_usage

Inodes Usage

Measures the disk inodes usage of the physical server accommodating the monitored ECS, which is not accurate as that obtained on the monitored ECS.

0.001% to 100%

%

N/A

instance_id

1 minute

Dimension

Key

Value

instance_id

CDM instance

You can obtain the value by referring to "Querying a Specified Instance in a Cluster".