Performance Indicators

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.

Service Type

Item

Definition

Significance

Block service

Cluster

Total IOPS (IO/s)

Average number of read and write requests processed by a module per second

Indicates the number of I/O requests received per second.

Read IOPS (IO/s)

Average number of read requests processed by a module per second

Indicates the number of read I/O requests received per second.

Write IOPS (IO/s)

Number of write requests processed by a module per second

Indicates the number of write I/O requests received per second.

Read Bandwidth (KB/s)

Volume of data generated by read requests processed by a module per second

Indicates the volume of data being read per second.

Write Bandwidth (KB/s)

Volume of data generated by write requests processed by a module per second

Indicates the volume of data being written per second.

Bandwidth (KB/s)

Volume of data being read and written per second on a module

Indicates the volume of data read and written per second.

Avg. Operation Latency (ms)

Average latency of read and write operations on a statistic object in a sampling period

Indicates the time required to process I/Os.

Avg. Write Operation Latency (ms)

Average latency of write operations on a statistic object in a sampling period

Indicates the time required to process write I/Os.

Avg. Read Operation Latency (ms)

Average latency of read operations on a statistic object in a sampling period

Indicates the time required to process read I/Os.

Node

Avg. CPU Usage (%)

CPU usage in a statistical period. By default, one statistical period is ten seconds.

Indicates the service load on the CPU.

Avg. Memory Usage (%)

Memory usage in a statistical period. By default, one statistical period is ten seconds.

Indicates the service load on the memory.

Storage pool

Total IOPS (IO/s)

Average number of read and write requests processed by a module per second

Indicates the number of I/O requests received per second.

Read IOPS (IO/s)

Average number of read requests processed by a module per second

Indicates the number of read I/O requests received per second.

Write IOPS (IO/s)

Number of write requests processed by a module per second

Indicates the number of write I/O requests received per second.

Read Bandwidth (KB/s)

Volume of data generated by read requests processed by a module per second

Indicates the volume of data being read per second.

Write Bandwidth (KB/s)

Volume of data generated by write requests processed by a module per second

Indicates the volume of data being written per second.

Bandwidth (KB/s)

Volume of data being read and written per second on a module

Indicates the volume of data read and written per second.

Avg. Operation Latency (ms)

Average latency of read and write operations on a statistic object in a sampling period

Indicates the time required to process I/Os.

Avg. Write Operation Latency (ms)

Average latency of write operations on a statistic object in a sampling period

Indicates the time required to process write I/Os.

Avg. Read Operation Latency (ms)

Average latency of read operations on a statistic object in a sampling period

Indicates the time required to process read I/Os.

Capacity Usage (%)

Used capacity percentage. The system includes storage pools, disk domains, disks, and LUNs.

Indicates the ratio of used capacity to total capacity.

Avg. Read I/O Size (KB)

Average read I/O size from the last sampling time point till now

Indicates changes in the read I/O size.

Avg. Write I/O Size (KB)

Average write I/O size from the last sampling time point till now

Indicates changes in the write I/O size.

Disk

Total IOPS (IO/s)

Average number of read and write requests processed by a module per second

Indicates the number of I/O requests received per second.

Read IOPS (IO/s)

Average number of read requests processed by a module per second

Indicates the number of read I/O requests received per second.

Write IOPS (IO/s)

Number of write requests processed by a module per second

Indicates the number of write I/O requests received per second.

Read Bandwidth (KB/s)

Volume of data generated by read requests processed by a module per second

Indicates the volume of data being read per second.

Write Bandwidth (KB/s)

Volume of data generated by write requests processed by a module per second

Indicates the volume of data being written per second.

Bandwidth (KB/s)

Volume of data being read and written per second on a module

Indicates the volume of data read and written per second.

Avg. Operation Latency (ms)

Average latency of read and write operations on a statistic object in a sampling period

Indicates the time required to process I/Os.

Avg. Write Operation Latency (ms)

Average latency of write operations on a statistic object in a sampling period

Indicates the time required to process write I/Os.

Avg. Read Operation Latency (ms)

Average latency of read operations on a statistic object in a sampling period

Indicates the time required to process read I/Os.

Usage (%)

Request processing time and queuing time/Statistical period

Indicates the usage of the specified object.

Avg. Read I/O Size (KB)

Average read I/O size from the last sampling time point till now

Indicates changes in the read I/O size.

Avg. Write I/O Size (KB)

Average write I/O size from the last sampling time point till now

Indicates changes in the write I/O size.

Volume

Initiator

Total IOPS (IO/s)

Average number of read and write requests processed by a module per second

Indicates the number of I/O requests received per second.

Read IOPS (IO/s)

Average number of read requests processed by a module per second

Indicates the number of read I/O requests received per second.

Write IOPS (IO/s)

Number of write requests processed by a module per second

Indicates the number of write I/O requests received per second.

Read Bandwidth (KB/s)

Volume of data generated by read requests processed by a module per second

Indicates the volume of data being read per second.

Write Bandwidth (KB/s)

Volume of data generated by write requests processed by a module per second

Indicates the volume of data being written per second.

Bandwidth (KB/s)

Volume of data being read and written per second on a module

Indicates the volume of data read and written per second.

Avg. Operation Latency (ms)

Average latency of read and write operations on a statistic object in a sampling period

Indicates the time required to process I/Os.

Avg. Write Operation Latency (ms)

Average latency of write operations on a statistic object in a sampling period

Indicates the time required to process write I/Os.

Avg. Read Operation Latency (ms)

Average latency of read operations on a statistic object in a sampling period

Indicates the time required to process read I/Os.

Avg. Read I/O Size (KB)

Average read I/O size from the last sampling time point till now

Indicates changes in the read I/O size.

Avg. Write I/O Size (KB)

Average write I/O size from the last sampling time point till now

Indicates changes in the write I/O size.

Port

Read Bandwidth (KB/s)

Volume of data generated by read requests processed by a module per second

Indicates the volume of data being read per second.

Write Bandwidth (KB/s)

Volume of data generated by write requests processed by a module per second

Indicates the volume of data being written per second.

Bandwidth (KB/s)

Volume of data being read and written per second on a module

Indicates the volume of data read and written per second.

Replication link

Total IOPS (IO/s)

Average number of read and write requests processed by a module per second

Indicates the number of I/O requests received per second.

Sending Bandwidth for Replication (KB/s)

Volume of data that is sent from the local device to a remote device every second

Indicates the volume of data being sent per second.

Receiving Bandwidth for Replication (KB/s)

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. I/O Response Time (ns)

Time of processing one request by a module, including the waiting time

Indicates the speed of I/O request processing. The longer the queue is, the longer the system takes to respond to a request. For a specified load, response time is in direct proportion to queue length.

Max. I/O Response Time (ns)

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 max. duration of the system responding to a read/write request.

Remote replication consistency group

Synchronization Duration (s)

Synchronization duration in the statistical period

Indicates the distribution of synchronization duration (s) in asynchronous remote replication.

Remote replication pair

Synchronization Duration (s)

Synchronization duration in the statistical period

Indicates the distribution of synchronization duration (s) in asynchronous remote replication.

Time Since Last Synchronization (s)

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

Logical Bandwidth (KB/s)

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.

Time Difference (s)

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.

Object service

Cluster

Read Bandwidth (KB/s)

Volume of data generated by read requests processed by a module per second

Indicates the data volume read by the service plane per second.

Write Bandwidth (KB/s)

Volume of data generated by write requests processed by a module per second

Indicates the data volume written to the service plane per second.

Bandwidth (KB/s)

Volume of data being read and written per second on a module

Indicates the I/O data volume of the service plane per second.

Storage Bandwidth (KB/s)

Read and write request data amount processed by a module per second

Indicates the I/O data volume per second of storage plane.

Storage Read Bandwidth (KB/s)

Read request data amount processed by a module per second

Indicates the data volume read per second of storage plane.

Storage Write Bandwidth (KB/s)

Write request data amount processed by a module per second

Indicates the data volume written per second of storage plane.

Object Service DELETEs per Second

Number of object service Delete requests per second.

Number of object service delete requests per second.

Object Service DELETE Failures per Second

Number of object service Delete request failures caused by servers per second.

Number of object service Delete request failures caused by servers per second.

Object Service DELETE Failures per Second (Client Reason)

Number of object service Delete request failures caused by clients per second.

Number of object service Delete request failures caused by clients per second.

Object Service GETs per Second

Number of object service GET requests per second.

Number of object service GET requests per second.

Object Service GET Failures per Second

Number of object service GET request failures caused by servers per second.

Number of object service GET request failures caused by servers per second.

Object Service GET Failures per Second (Client Reason)

Number of object service GET request failures caused by clients per second.

Number of object service GET request failures caused by clients per second.

Object Service PUTs per Second

Number of object service PUT requests per second.

Number of object service PUT requests per second.

Object Service PUT Failures per Second

Number of object service PUT request failures caused by servers per second.

Number of object service PUT request failures caused by servers per second.

Object Service PUT Failures per Second (Client Reason)

Number of object service PUT request failures caused by clients per second.

Number of object service PUT request failures caused by clients per second.

Object Service Connection Failure Rate (%)

Object service access failure rate every 10 seconds

Object service access failure rate every 10 seconds.

Object Service HEADs per Second

Number of object service Head requests per second.

Number of object service HEAD requests per second

Object Service HEAD Failures per Second

Number of object service Head request failures caused by servers per second

Number of object service Head request failures caused by servers per second

Object Service HEAD Failures per Second (Client Reason)

Number of object service Head request failures caused by clients per second

Number of object service Head request failures caused by clients per second

Object Service POSTs per Second

Number of object service Post requests per second

Number of object service Post requests per second

Object Service POST Failures per Second

Number of object service Post request failures caused by servers per second

Number of object service Post request failures caused by servers per second.

Object Service POST Failures per Second (Client Reason)

Number of object service Post request failures caused by clients per second

Number of object service Post request failures caused by clients per second.

Node

Read Bandwidth (KB/s)

Read request data amount processed by a module per second

Indicates the data volume read by the service plane per second.

Write Bandwidth (KB/s)

Write request data amount processed by a module per second

Indicates the data volume written to the service plane per second.

Bandwidth (KB/s)

Read and write request data amount processed by a module per second

Indicates the I/O data volume of the service plane per second.

Storage Bandwidth (KB/s)

Read and write request data amount processed by a module per second

Indicates the I/O data volume per second of storage plane.

Storage Read Bandwidth (KB/s)

Read request data amount processed by a module per second

Indicates the data volume read per second of storage plane.

Storage Write Bandwidth (KB/s)

Write request data amount processed by a module per second

Indicates the data volume written per second of storage plane.

Read IOPS (IO/s)

Number of read requests processed by a module per second

Indicates the number of read I/O requests received per second.

Write IOPS (IO/s)

Number of write requests processed by a module per second

Indicates the number of write I/O requests received per second.

Total IOPS (IO/s)

Number of read and write requests processed by a module per second

Indicates the number of I/O requests received per second.

File service

Cluster

NFS Read Bandwidth (KB/s)

The average amount of data that a module processes NFS read requests per second

Indicates the amount of data read from NFS per second.

NFS Write Bandwidth (KB/s)

The average amount of data that a module processes NFS write requests per second

Indicates the data traffic written to NFS per second.

NFS Bandwidth (KB/s)

The average amount of data per second for NFS I/O per module

Indicates the amount of data for NFS I/O per second.

NFS Read OPS

Average number of NFS protocol read operations per second per module

Indicates the number of NFS protocol read operations per second.

NFS Write OPS

The average number of NFS protocol writes per second per module

Indicates the number of NFS protocol writes per second.

Total NFS OPS

The average number of NFS protocol operations per second per module

Indicates the total number of NFS protocol operations per second.

Other NFS OPS

The average number of other NFS protocol operations per second per module

Indicates the number of other operations of the NFS protocol per second.

DPC Read Bandwidth (MB/s)

Average DPC protocol read bandwidth per second per module

Indicates DPC protocol read bandwidth per second

DPC Write Bandwidth (MB/s)

Average DPC protocol write bandwidth per second per module

Indicates DPC protocol write bandwidth per second

DPC Bandwidth (MB/s)

Average DPC protocol bandwidth per second per module

Indicates DPC protocol bandwidth per second

DPC Read OPS

Average number of DPC protocol read operations per second per module

Indicates the number of DPC protocol read operations per second

DPC Write OPS

Average number of DPC protocol writes per second per module

Indicates the number of DPC protocol writes per second

Other DPC OPS

Average number of DPC protocol metadata operations per second per module

Indicates the number of DPC protocol metadata operations per second

Total DPC OPS

Average number of DPC protocol operations per second per module

Indicates the total number of DPC protocol operations per second

CIFS Read Bandwidth (KB/s)

The average number of read requests processed by a module per second CIFS protocol

Indicates the amount of read request data processed by CIFS protocol per second.

CIFS Write Bandwidth (KB/s)

The average number of write request data processed by CIFS protocol per second by a module

Indicates the amount of write request data processed by CIFS protocol per second.

CIFS Bandwidth (KB/s)

The average amount of I / O data processed by a module per second CIFS protocol

Indicates the amount of I / O data processed by CIFS protocol per second.

CIFS Read OPS

Average number of CIFS protocol read operations per second per module

Indicates the number of CIFS protocol read operations per second.

CIFS Write OPS

Average number of CIFS protocol writes per second per module

Indicates the number of CIFS protocol writes per second.

Total CIFS OPS

Average number of CIFS protocol operations per second per module

Indicates the total number of CIFS protocol operations per second.

Other CIFS OPS

Average number of CIFS protocol other operations per second per module

Indicates the number of CIFS protocol other operations per second.

Node

NFS Read Bandwidth (KB/s)

The average amount of data that a module processes NFS read requests per second

Indicates the amount of data read from NFS per second.

NFS Write Bandwidth (KB/s)

The average amount of data that a module processes NFS write requests per second

Indicates the data traffic written to NFS per second.

NFS Bandwidth (KB/s)

The average amount of data per second for NFS I/O per module

Indicates the amount of data for NFS I/O per second.

NFS Read OPS

Average number of NFS protocol read operations per second per module

Indicates the number of NFS protocol read operations per second.

NFS Write OPS

The average number of NFS protocol writes per second per module

Indicates the number of NFS protocol writes per second.

Total NFS OPS

The average number of NFS protocol operations per second per module

Indicates the total number of NFS protocol operations per second.

Other NFS OPS

The average number of other NFS protocol operations per second per module

Indicates the number of other operations of the NFS protocol per second.

Connected NFS Clients

Number of NFS clients connected to a statistic object

Indicates the number of NFS clients connected to a cluster or a node.

Avg. Operation Latency for NFS (us)

Average latency of NFS read and write operations on a statistic object in a sampling period

Indicates the average time required by a node to process an NFS read/write request.

Max. Operation Latency for NFS (us)

Maximum latency of NFS read and write operations on a statistic object in a sampling period

Indicates the maximum time required by a node to process an NFS read/write request.

Avg. Write Operation Latency for NFS (us)

Average latency of NFS write operations on a statistic object in a sampling period

Indicates the average time required by a node to process an NFS write request.

Max. Write Operation Latency for NFS (us)

Maximum latency of NFS write operations on a statistic object in a sampling period

Indicates the maximum time required by a node to process an NFS write request.

Avg. Read Operation Latency for NFS (us)

Average latency of NFS read operations on a statistic object in a sampling period

Indicates the average time required by a node to process an NFS read request.

Max. Read Operation Latency for NFS (us)

Maximum latency of NFS read operations on a statistic object in a sampling period

Indicates the maximum time required by a node to process an NFS read request.

Avg. Latency of Other Operations for NFS (us)

Average latency of NFS other operations on a statistic object in a sampling period

Indicates the average time required by a node to process an NFS other request.

Max. Latency of Other Operations for NFS (us)

Maximum latency of NFS other operations on a statistic object in a sampling period

Indicates the maximum time required by a node to process an NFS other request.

Connected CIFS Clients

Number of CIFS clients connected to a statistic object

Indicates the number of CIFS clients connected to a cluster or a node.

CIFS Read Bandwidth (KB/s)

The average number of read requests processed by a module per second CIFS protocol

Indicates the amount of read request data processed by CIFS protocol per second.

CIFS Write Bandwidth (KB/s)

The average number of write request data processed by CIFS protocol per second by a module

Indicates the amount of write request data processed by CIFS protocol per second.

CIFS Bandwidth (KB/s)

The average amount of I / O data processed by a module per second CIFS protocol

Indicates the amount of I / O data processed by CIFS protocol per second.

CIFS Read OPS

Average number of CIFS protocol read operations per second per module

Indicates the number of CIFS protocol read operations per second.

CIFS Write OPS

Average number of CIFS protocol writes per second per module

Indicates the number of CIFS protocol writes per second.

Total CIFS OPS

Average number of CIFS protocol operations per second per module

Indicates the total number of CIFS protocol operations per second.

Other CIFS OPS

Average number of CIFS protocol other operations per second per module

Indicates the number of CIFS protocol other operations per second.

Avg. Operation Latency for CIFS (us)

Average latency of CIFS read and write operations on a statistic object in a sampling period

Indicates the average time required by a node to process an CIFS read/write request.

Max. Operation Latency for CIFS (us)

Maximum latency of CIFS read and write operations on a statistic object in a sampling period

Indicates the maximum time required by a node to process an CIFS read/write request.

Avg. Write Operation Latency for CIFS (us)

Average latency of CIFS write operations on a statistic object in a sampling period

Indicates the average time required by a node to process an CIFS write request.

Max. Write Operation Latency for CIFS (us)

Maximum latency of CIFS write operations on a statistic object in a sampling period

Indicates the maximum time required by a node to process an CIFS write request.

Avg. Read Operation Latency for CIFS (us)

Average latency of CIFS read operations on a statistic object in a sampling period

Indicates the average time required by a node to process an CIFS read request.

Max. Read Operation Latency for CIFS (us)

Maximum latency of CIFS read operations on a statistic object in a sampling period

Indicates the maximum time required by a node to process an CIFS read request.

Avg. Latency of Other Operations for CIFS (us)

Average latency of CIFS other operations on a statistic object in a sampling period

Indicates the average time required by a node to process an CIFS other request.

Max. Latency of Other Operations for CIFS (us)

Maximum latency of CIFS other operations on a statistic object in a sampling period

Indicates the maximum time required by a node to process an CIFS other request.

HDFS service

Cluster

Node

Read Bandwidth (KB/s)

Read request data amount processed by a module per second

Indicates the data volume read per second.

Write Bandwidth (KB/s)

Write request data amount processed by a module per second

Indicates the data volume written per second.

Bandwidth (KB/s)

Read and write request data amount processed by a module per second

Indicates the I/O data volume per second.

Read IOPS (IO/s)

Number of read requests processed by a module per second

Indicates the number of read I/O requests received per second.

Write IOPS (IO/s)

Number of write requests processed by a module per second

Indicates the number of write I/O requests received per second.

Total IOPS (IO/s)

Number of read and write requests processed by a module per second

Indicates the number of I/O requests received per second.

Object service

File service

HDFS service

Cluster

Avg. CPU Usage (%)

CPU usage in a statistical period. By default, one statistical period is ten seconds.

Indicates the service load on the CPU.

Avg. Memory Usage (%)

Memory usage in a statistical period. By default, one statistical period is ten seconds.

Indicates the service load on the memory.

Max. CPU Usage (%)

Maximum CPU usage of a statistic object in a sampling period

Indicates maximum CPU usage of all nodes.

Node

Avg. CPU Usage (%)

CPU usage in a statistical period. By default, one statistical period is ten seconds.

Indicates the service load on the CPU.

Avg. Memory Usage (%)

Memory usage in a statistical period. By default, one statistical period is ten seconds.

Indicates the service load on the memory.

Remote replication pair

Synchronization Duration (s)

Synchronization duration in the statistical period

Indicates the distribution of synchronization duration (s) in asynchronous remote replication.

Time Since Last Synchronization (s)

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

Logical Bandwidth (KB/s)

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.

Time Difference (s)

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.

Storage pool

Capacity Usage (%)

Used capacity percentage. The system includes storage pools, disk domains, disks, and LUNs.

Indicates the ratio of used capacity to total capacity.

Disk

Port

Read Bandwidth (KB/s)

Read request data amount processed by a module per second

Indicates the data volume read per second.

Write Bandwidth (KB/s)

Write request data amount processed by a module per second

Indicates the data volume written per second.

Bandwidth (KB/s)

Read and write request data amount processed by a module per second

Indicates the I/O data volume per second.

Read IOPS (IO/s)

Number of read requests processed by a module per second

Indicates the number of read I/O requests received per second.

Write IOPS (IO/s)

Number of write requests processed by a module per second

Indicates the number of write I/O requests received per second.

Total IOPS (IO/s)

Number of read and write requests processed by a module per second

Indicates the number of I/O requests received per second.