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Monitoring Metrics (Memory Edition)

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Last updated: 2024-01-27 17:44:47

Namespace

Namespace=QCE/REDIS

Monitoring Metrics

Standard edition

Parameter
Metric Name
Unit
Description
Dimension
CpuUsMin
CPU utilization
%
Average CPU utilization
instanceid
StorageMin
Memory usage
MB
Actually used memory capacity, including the capacity for data and cache
instanceid
StorageUsMin
Memory utilization
%
Ratio of the actually used memory to the requested total memory
instanceid
KeysMin
Total number of keys
Count
Total number of keys (level-1 keys) in instance storage
instanceid
ExpiredKeysMin
Expired keys
Count
Number of keys expired in a time window, which corresponds to the value of expired_keys outputted by the info command
instanceid
EvictedKeysMin
Evicted keys
Count
Number of keys evicted in a time window, which corresponds to the value of evicted_keys outputted by the info command
instanceid
ConnectionsMin
Connections
Count
Number of TCP connections to an instance
instanceid
ConnectionsUsMin
Connection utilization
%
Ratio of the actual number of TCP connections to the maximum number of connections
instanceid
InFlowMin
Inbound traffic
Mb/s
Private inbound traffic
instanceid
InFlowUsMin
Inbound traffic utilization
%
Ratio of the actually used private inbound traffic to the maximum traffic
instanceid
OutFlowMin
Outbound traffic
Mb/s
Private outbound traffic
instanceid
OutFlowUsMin
Outbound traffic utilization
%
Ratio of the actually used private outbound traffic to the maximum traffic
instanceid
LatencyMin
Average execution latency
ms
Average execution latency between the proxy and the Redis server
instanceid
LatencyGetMin
Average execution latency of the read command
ms
Average execution latency of the read command between the proxy and the Redis server
instanceid
LatencySetMin
Average execution latency of the write command
ms
Average execution latency of the write command between the proxy and the Redis server
instanceid
LatencyOtherMin
Average execution latency of other commands
ms
Average execution latency of commands other than read and write between the proxy and the Redis server
instanceid
QpsMin
Total requests
Times/sec
QPS, that is, the number of command executions
instanceid
StatGetMin
Read requests
Times/min
Number of read command executions
instanceid
StatSetMin
Write requests
Times/min
Number of write command executions
instanceid
StatOtherMin
Other requests
Times/sec
Number of command executions other than reads and writes
instanceid
BigValueMin
Big-value requests
Times/sec
Number of command executions for which the request size exceeds 32 KB
instanceid
SlowQueryMin
Slow queries
Count
Number of slow queries
instanceid
StatSuccessMin
Read request hits
Count
Number of existing read request keys, which corresponds to the value of the keyspace_hits metric outputted by the info command
instanceid
StatMissedMin
Read request misses
Count
Number of nonexistent read request keys, which corresponds to the value of the keyspace_misses metric outputted by the info command
instanceid
CmdErrMin
Execution errors
Count
Number of command execution errors, such as when a command does not exist or a parameter is incorrect
instanceid
CacheHitRatioMin
Read request hit rate
%
Key hits/(key hits + key misses). This metric reflects the severity of cache misses
instanceid

Overview of cluster edition

Parameter
Metric Name
Unit
Description
Dimension
CpuUsMin
Average CPU utilization
%
Average CPU utilization
instanceid
CpuMaxUsMin
Maximum shard CPU utilization
%
Highest CPU utilization value of all shards in a cluster
instanceid
StorageMin
Memory usage
MB
Actually used memory capacity, including the capacity for data and cache
instanceid
StorageUsMin
Memory utilization
%
Ratio of the actually used memory to the requested total memory
instanceid
StorageMaxUsMin
Maximum shard memory utilization
%
Highest memory utilization value of all shards in a cluster
instanceid
KeysMin
Total number of keys
Count
Total number of keys (level-1 keys) in instance storage
instanceid
ExpiredKeysMin
Expired keys
Count
Number of keys expired in a time window, which corresponds to the value of expired_keys outputted by the info command
instanceid
EvictedKeysMin
Evicted keys
Count
Number of keys evicted in a time window, which corresponds to the value of evicted_keys outputted by the info command
instanceid
ConnectionsMin
Connections
Count
Number of TCP connections to an instance
instanceid
ConnectionsUsMin
Connection utilization
%
Ratio of the actual number of TCP connections to the maximum number of connections
instanceid
InFlowMin
Inbound traffic
Mb/s
Private inbound traffic
instanceid
InFlowUsMin
Inbound traffic utilization
%
Ratio of the actually used private inbound traffic to the maximum traffic
instanceid
OutFlowMin
Outbound traffic
Mb/s
Private outbound traffic
instanceid
OutFlowUsMin
Outbound traffic utilization
%
Ratio of the actually used private outbound traffic to the maximum traffic
instanceid
LatencyMin
Average execution latency
ms
Average execution latency between the proxy and the Redis server
instanceid
LatencyGetMin
Average execution latency of the read command
ms
Average execution latency of the read command between the proxy and the Redis server
instanceid
LatencySetMin
Average execution latency of the write command
ms
Average execution latency of the write command between the proxy and the Redis server
instanceid
LatencyOtherMin
Average execution latency of other commands
ms
Average execution latency of commands other than read and write between the proxy and the Redis server
instanceid
QpsMin
Total requests
Times/sec
QPS, that is, the number of command executions
instanceid
StatGetMin
Read requests
Times/sec
Number of read command executions
instanceid
StatSetMin
Write requests
Times/sec
Number of write command executions
instanceid
StatOtherMin
Other requests
Times/sec
Number of command executions other than reads and writes
instanceid
BigValueMin
Big-value requests
Times/sec
Number of command executions for which the request size exceeds 32 KB
instanceid
SlowQueryMin
Slow queries
Count
Number of command executions with a latency greater than the slowlog_log_slower_than configuration
instanceid
StatSuccessMin
Read request hits
Count
Number of existing read request keys, which corresponds to the value of the keyspace_hits metric outputted by the info command
instanceid
StatMissedMin
Read request misses
Count
Number of nonexistent read request keys, which corresponds to the value of the keyspace_misses metric outputted by the info command
instanceid
CmdErrMin
Execution errors
Count
Number of command execution errors, such as when a command does not exist or a parameter is incorrect
instanceid
CacheHitRatioMin
Read request hit rate
%
Key hits/(key hits + key misses). This metric reflects the severity of cache misses
instanceid

Cluster sharding

Parameter
Metric Name
Unit
Description
Dimension
CpuUsNodeMin
CPU utilization
%
Average CPU utilization
instanceid and clusterid
StorageNodeMin
Memory usage
MB
Actually used memory capacity, including the capacity for data and cache
instanceid and clusterid
StorageUsNodeMin
Memory utilization
%
Ratio of the actually used memory to the requested total memory
instanceid and clusterid
KeysNodeMin
Total number of keys
Count
Total number of keys (level-1 keys) in instance storage
instanceid and clusterid
ExpiredKeysNodeMin
Expired keys
Count
Number of keys expired in a time window, which corresponds to the value of expired_keys outputted by the info command
instanceid and clusterid
EvictedKeysNodeMin
Evicted keys
Count
Number of keys evicted in a time window, which corresponds to the value of evicted_keys outputted by the info command
instanceid and clusterid
QpsNodeMin
Total requests
Times/sec
QPS, that is, the number of command executions
instanceid and clusterid
StatGetNodeMin
Read requests
Times/sec
Number of read command executions
instanceid and clusterid
StatSetNodeMin
Write requests
Times/sec
Number of write command executions
instanceid and clusterid
StatOtherNodeMin
Other requests
Times/sec
Number of command executions other than reads and writes
instanceid and clusterid
SlowQueryNodeMin
Slow queries
Count
Number of command executions with a latency greater than the slowlog_log_slower_than configuration
instanceid and clusterid
StatSuccessNodeMin
Read request hits
Count
Number of existing read request keys, which corresponds to the value of the keyspace_hits metric outputted by the info command
instanceid and clusterid
StatMissedNodeMin
Read request misses
Count
Number of nonexistent read request keys, which corresponds to the value of the keyspace_misses metric outputted by the info command
instanceid and clusterid
CmdErrNodeMin
Execution errors
Count
Number of command execution errors, such as when a command does not exist or a parameter is incorrect
instanceid and clusterid
CacheHitRatioNodeMin
Read request hit rate
%
Key hits/(key hits + key misses). This metric reflects the severity of cache misses. If the number of access requests is 0, the value of this metric will be null
instanceid and clusterid
Note:
The statistical granularity (period) may vary by metric. The DescribeBaseMetrics API can be used to get the period supported by each API.

Overview of Parameters in Each Dimension

Parameter Name
Dimension Name
Dimension Description
Format
Instances.N.Dimensions.0.Name
instanceid
Dimension name of the instance ID
Enter a string-type dimension name, such as instanceid
Instances.N.Dimensions.0.Value
instanceid
A specific instance ID
Enter a specific Redis instance ID, such as tdsql-123456. The specific Redis instance ID can also be an instance string, such as crs-ifmymj41. It can be queried through the DescribeRedis API
Instances.N.Dimensions.1.Name
clusterid
Dimension name of the shard ID
Enter a string-type dimension name, such as clusterid.
To pull overall information, do not pass in this parameter.
To pull shard information, the input parameter must be clusterid
Instances.N.Dimensions.1.Value
clusterid
A specific shard ID
Enter a specific shard ID such as tdsql-123456, which can be obtained by running commands such as cluster nodes

Input Parameters

To query the monitoring data of TencentDB for Redis, use the following input parameters: &Namespace=QCE/REDIS &Instances.N.Dimensions.0.Name=instanceid &Instances.N.Dimensions.0.Value=instance ID

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