This section lists performance indicators that can be monitored and describes the meaning and significance of those indicators. You can create indicator templates or perform other operations based on the information provided in this section.
Item |
Definition |
Significance |
|---|---|---|
Total IOPS (IO/s) |
Number of I/O requests per second on a module. |
Indicates the number of I/Os per second. |
Read IOPS (IO/s) |
Number of read requests processed by a module per second. |
Indicates the total number of received read I/Os. |
Write IOPS (IO/s) |
Number of write requests processed by a module per second. |
Indicates the total number of received write I/Os. |
Read Bandwidth |
Volume of data generated by read requests processed by a module per second. |
Indicates the volume of data being read per second. |
Write Bandwidth |
Volume of data generated by write requests processed by a module per second. |
Indicates the volume of data being written per second. |
Total Bandwidth |
Read and write request data amount processed by a module per second. |
Indicates the volume of data being read and written per second. |
Sending Bandwidth for Replication |
Volume of data that is sent from the local device to a remote device per second. |
Indicates the volume of data being sent per second. |
Receiving Bandwidth for Replication |
Volume of data that is received from a remote device to the local device per second. |
Indicates the volume of data being received per second. |
Avg. Operation Latency |
Average latency of read and write operations on a statistic object in a sampling period. |
Indicates the average time required by a file system to process read/write requests from an NFS or CIFS client. |
Avg. Write Operation Latency |
Average latency of write operations on a statistic object in a sampling period. |
Indicates the average time required by a file system to process write requests from an NFS or CIFS client. |
Avg. Read Operation Latency |
Average latency of read operations on a statistic object in a sampling period. |
Indicates the average time required by a file system to process read requests from an NFS or CIFS client. |
Bandwidth |
Read and write request data amount processed by a module per second. |
Indicates the volume of data being read and written per second. |
Avg. CPU Usage (%) |
CPU usage in a statistical period. By default, the statistical period is 5 seconds. |
Indicates the service load on the CPU. |
Avg. Memory Usage (%) |
Cache usage in a statistical period. By default, the statistical period is 5 seconds. |
Indicates the cache usage. |
Max. CPU Usage (%) |
Maximum CPU usage of a statistical object in a sampling period. |
Indicates the maximum CPU usage of all nodes. |
Avg. Read I/O Size |
Average size of read I/Os from the last sampling point in time till now. |
Indicates the change of read I/O sizes. |
Avg. Write I/O Size |
Average size of write I/Os from the last sampling point in time till now. |
Indicates the change of write I/O sizes. |
Usage (%) |
Percentage of request processing period and queuing period in the statistical period. |
Indicates the service load of a specific object. |
Avg. I/O Response Time |
Time required to process a request within a statistical period, including the waiting time. |
Indicates the speed of processing I/O requests. A longer queue indicates more waiting requests. In this case, the average response time of each request increases. If the service load is stable, a longer queue indicates longer response time. |
Max. I/O Response Time |
Maximum average I/O response time in all statistical periods after the performance statistics collection starts. The average I/O response time refers to the time required to process one read or write request within a statistical period. The response time includes the waiting time. The default statistical period is five seconds. |
Indicates the maximum time required by the system to process a read or write request after the performance statistics collection starts. |
Storage Bandwidth |
Read and write request data amount processed by a module per second. |
Indicates the data volume of I/Os on the storage plane per second. |
Storage Read Bandwidth |
Volume of data generated by read requests processed by a module per second. |
Indicates the data volume read by the storage plane per second. |
Storage Write Bandwidth |
Volume of data generated by write requests processed by a module per second. |
Indicates the data traffic written to the storage plane per second. |
Object Service DELETEs per Second |
Number of S3 DELETE requests per second. |
Indicates the number of S3 DELETE requests per second. |
Object Service DELETE Failures per Second |
Number of S3 storage service DELETE request failures caused by servers per second |
Number of S3 storage service DELETE request failures caused by servers per second |
Object Service DELETE Failures per Second (Client Reason) |
Number of S3 storage service DELETE request failures caused by clients per second |
Number of S3 storage service DELETE request failures caused by clients per second |
Object Service GETs per Second |
Number of S3 storage service GET requests per second |
Number of S3 storage service GET requests per second |
Object Service GET Failures per Second |
Number of S3 storage service GET request failures caused by servers per second |
Number of S3 storage service GET request failures caused by servers per second |
Object Service GET Failures per Second (Client Reason) |
Number of S3 storage service GET request failures caused by clients per second |
Number of S3 storage service GET request failures caused by clients per second |
Object Service PUTs per Second |
Number of S3 storage service PUT requests per second |
Number of S3 storage service PUT requests per second |
Object Service PUT Failures per Second |
Number of S3 storage service PUT request failures caused by servers per second |
Number of S3 storage service PUT request failures caused by servers per second |
Object Service PUT Failures per Second (Client Reason) |
Number of S3 storage service PUT request failures caused by clients per second |
Number of S3 storage service PUT request failures caused by clients per second |
Object Service Connection Failure Rate |
S3 storage service access failure rate every 10 seconds |
S3 storage service access failure rate every 10 seconds |
Object Service HEADs per Second |
Number of S3 storage service HEAD requests per second |
Number of S3 storage service HEAD requests per second |
Object Service HEAD Failures per Second |
Number of S3 storage service HEAD request failures caused by servers per second |
Number of S3 storage service HEAD request failures caused by servers per second |
Object Service HEAD Failures per Second (Client Reason) |
Number of S3 storage service HEAD request failures caused by clients per second |
Number of S3 storage service HEAD request failures caused by clients per second |
Object Service POSTs per Second |
Number of S3 storage service POST requests per second |
Number of S3 storage service POST requests per second |
Object Service POST Failures per Second |
Number of S3 storage service POST request failures caused by servers per second |
Number of S3 storage service POST request failures caused by servers per second |
Object Service POST Failures per Second (Client Reason) |
Number of S3 storage service POST request failures caused by clients per second |
Number of S3 storage service POST request failures caused by clients per second |
File Operations |
The total number of catalog operations accumulated by the cycle class after the performance statistics have started. Default 10s One cycle |
The number of times a cycle class accumulates all operations on a file after the performance statistics have started. |
Directory Operations |
The total number of catalog operations accumulated by the cycle class after the performance statistics have started. Default 10s One cycle |
The number of times the cycle class accumulates all operations on the directory after the performance statistics begin. |
Total Capacity (GB) |
Total system capacity (GB). The system includes storage pools, disk domains, disks, and LUNs. |
Indicates total system capacity. |
Used Capacity (GB) |
Used system capacity (GB). The system includes storage pools, disk domains, disks, and LUNs. |
Indicates the capacity allocated to services by the system. |
Capacity Usage (%) |
Percentage of the used capacity in the total capacity. Here, the system includes storage pools, disk domains, disks, and LUNs. |
Indicates the ratio of used capacity to total capacity. |
Time Since Last Synchronization |
Time interval between the current system time and the start time of last remote replication |
Indicates the time interval between the current system time and the start time of last remote replication. |
Synchronization Duration |
Synchronization duration in the statistical period |
Indicates the distribution of synchronization duration in asynchronous remote replication. |
Time Difference |
Time difference between the data synchronization points in time of the primary and secondary resources in a synchronization period |
Reflects the time difference between the data synchronization points in time of the primary and secondary resources in a synchronization period of asynchronous remote replication. |
Logical Bandwidth |
Volume of data being read and written per second on a module before compression |
Indicates the volume of data being read and written per second before compression. |