Reason of the failure to query device performance data on the NMS

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If you query historical performance data for the first time, you must select Query from NE and Save to database for Data Source, so that you can select Query from NMS when querying historical performance data next time.

Other related questions:
Reasons for a quicker data query speed of HBase
HBase is a distributed storage database of the KeyValue type. Data in an HBase table is sorted in alphabetic order based on RowKeys. If you query data based on a specified RowKey or if you scan data in the scale of a specified RowKey, HBase can quickly locate the data that needs to be read.

Whether OceanStor 9000 supports performance data query by module
OceanStor 9000 provides approaches for querying performance data of certain modules. For example, running commands for analyzing protocol performance enables users to query the number of various operations, maximum latency, and average latency. OceanStor 9000 also provides report tools for users to query certain performance data.

Whether OceanStor 9000 supports the query of network performance data
OceanStor 9000 provides approaches for querying performance data of certain modules. For example, running commands for analyzing protocol performance enables users to query the number of various operations, maximum latency, and average latency. OceanStor 9000 also provides report tools for users to query certain performance data.

Commands used to query the performance of boards on a WDM device
To query the performance of boards on a WDM device, run the following commands: :per-get-curdata-new:perall,15m,0xff,0,0, :per-get-curdata-new:perall,24h,0xff,0,0,

Whether OceanStor 9000 supports the query of file system performance data
OceanStor 9000 provides approaches for querying performance data of certain modules. For example, running commands for analyzing protocol performance enables users to query the number of various operations, maximum latency, and average latency. OceanStor 9000 also provides report tools for users to query certain performance data.

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