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Tencent Cloud Observability Platform
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    Monitoring Metrics (Memory Edition, 5-Second)

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

      Namespace = QCE/REDIS_MEM

      Monitoring Metrics

      Instance monitoring

      Parameter
      Metric Name
      Description
      Unit
      Dimension
      Statistical Period
      CpuUtil
      CPU utilization
      The average CPU utilization
      %
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      CpuMaxUtil
      Max CPU utilization of node
      The maximum among all node (shard or replica) CPU utilizations in an instance
      %
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      MemUsed
      Used memory
      The actually used memory capacity, including the capacity for data and cache
      MB
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      MemUtil
      Memory utilization
      The ratio of the actually used memory to the requested total memory
      %
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      MemMaxUtil
      Max memory utilization of node
      The maximum among all node (shard or replica) memory utilizations in an instance
      %
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      Keys
      Total keys
      The total number of keys (level-1 keys) stored in the instance
      -
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      Expired
      Expired keys
      The number of keys expired in a time window, which is equal to the value of expired_keys output by the info command
      -
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      Evicted
      Evicted keys
      The number of keys evicted in a time window, which is equal to the value of evicted_keys output by the info command
      -
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      Connections
      Connections
      The number of TCP connections to the instance
      -
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      ConnectionsUtil
      Connection utilization
      The ratio of the number of TCP connections to the maximum number of connections
      %
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      InFlow
      Inbound traffic
      The private network inbound traffic
      Mb/s
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      InBandwidthUtil
      Inbound traffic utilization
      The ratio of the actually used private inbound traffic to the maximum traffic
      %
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      InFlowLimit
      Inbound traffic limit count
      The number of times inbound traffic triggers a traffic limit
      -
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      OutFlow
      Outbound traffic
      The private network outbound traffic
      Mb/s
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      OutBandwidthUtil
      Outbound traffic utilization
      The ratio of the actually used private outbound traffic to the maximum traffic
      %
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      OutFlowLimit
      Outbound traffic limit count
      The number of times outbound traffic triggers a traffic limit
      -
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      LatencyAvg
      Average execution latency
      The average execution latency between the proxy and the Redis server
      ms
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      LatencyMax
      Max execution latency
      The maximum execution latency between the proxy and the Redis server
      ms
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      LatencyRead
      Average read latency
      The average execution latency of read commands between the proxy and the Redis server
      ms
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      LatencyWrite
      Average write latency
      The average execution latency of write commands between the proxy and the Redis server
      ms
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      LatencyOther
      Average latency of other commands
      The average execution latency of commands (excluding write and read commands) between the proxy and the Redis server
      ms
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      Commands
      Total requests
      The QPS, that is, the number of command executions per second
      Count/sec
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      CmdRead
      Read requests
      The number of read command executions per second
      Count/sec
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      CmdWrite
      Write requests
      The number of write command executions per second
      Count/sec
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      CmdOther
      Other requests
      The number of command (excluding write and read commands) executions per second
      Count/sec
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      CmdBigValue
      Big value requests
      The number of executions of requests larger than 32 KB per second
      Count/sec
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      CmdKeyCount
      Key requests
      The number of keys accessed by a command per second
      Count/sec
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      CmdMget
      MGET requests
      The number of MGET commands executed per second
      Count/sec
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      CmdSlow
      Slow queries
      The number of command executions with a latency greater than the configured slowlog-log-slower-than value
      -
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      CmdHits
      Read request hits
      The number of keys successfully requested by read commands, which is equal to the value of the keyspace_hits metric output by the info command
      -
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      CmdMiss
      Read request misses
      The number of keys unsuccessfully requested by read commands, which is equal to the value of the keyspace_misses metric output by the info command
      -
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      CmdErr
      Execution errors
      The number of command execution errors. For example, the command does not exist, or parameters are incorrect.
      -
      instanceid
      5s, 60s, 300s, 3600s, 86400s
      CmdHitsRatio
      Read request hit rate
      Key hits/(key hits + key misses). This metric reflects cache misses.
      %
      instanceid
      5s, 60s, 300s, 3600s, 86400s

      Latency metrics (command dimension)

      Parameter
      Metric Name
      Description
      Unit
      Dimension
      Statistical Period
      QpsCommand
      Command executions per second
      The number of commands executed per second
      %
      instanceid, command
      5s, 60s, 300s, 3600s, 86400s
      LatencyAvgCommand
      Average execution latency
      The average execution latency between the proxy and the Redis server
      %
      instanceid, command
      5s, 60s, 300s, 3600s, 86400s
      LatencyMaxCommand
      Max execution delay
      The maximum execution latency between the proxy and the Redis server
      %
      instanceid, command
      5s, 60s, 300s, 3600s, 86400s
      LatencyP99Command
      P99 latency
      The P99 execution latency between the proxy and the Redis server
      %
      instanceid, command
      5s, 60s, 300s, 3600s, 86400s

      Proxy node monitoring

      Parameter
      Metric Name
      Description
      Unit
      Dimension
      Statistical Period
      CpuUtilProxy
      CPU utilization
      The CPU utilization of the proxy
      %
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      CommandsProxy
      Total requests
      The number of proxy commands executed per second
      Count/sec
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      CmdKeyCountProxy
      Key requests
      The number of keys accessed by a command per second
      Count/sec
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      CmdMgetProxy
      MGET requests
      The number of MGET commands executed per second
      Count/sec
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      CmdErrProxy
      Execution errors
      The number of proxy command execution errors. For example, the command does not exist, or parameters are incorrect.
      -
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      CmdBigValueProxy
      Big value requests
      The number of executions of requests larger than 32 KB per second
      Count/sec
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      ConnectionsProxy
      Connections
      The number of TCP connections to the instance
      -
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      ConnectionsUtilProxy
      Connection utilization
      The ratio of the number of TCP connections to the maximum number of connections
      %
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      InFlowProxy
      Inbound traffic
      The private network inbound traffic
      Mb/s
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      InBandwidthUtilProxy
      Inbound traffic utilization
      The ratio of the actually used private inbound traffic to the maximum traffic
      %
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      InFlowLimitProxy
      Inbound traffic limit count
      The number of times inbound traffic triggers a traffic limit
      -
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      OutFlowProxy
      Outbound traffic
      The private network outbound traffic
      Mb/s
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      OutBandwidthUtilProxy
      Outbound traffic utilization
      The ratio of the actually used private outbound traffic to the maximum traffic
      %
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      OutFlowLimitProxy
      Outbound traffic limit count
      The number of times outbound traffic triggers a traffic limit
      -
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      LatencyAvgProxy
      Average execution latency
      The average execution latency between the proxy and the Redis server
      ms
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      LatencyMaxProxy
      Max execution latency
      The maximum execution latency between the proxy and the Redis server
      ms
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      LatencyReadProxy
      Average read latency
      The average execution latency of read commands between the proxy and the Redis server
      ms
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      LatencyWriteProxy
      Average write latency
      The average execution latency of write commands between the proxy and the Redis server
      ms
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s
      LatencyOtherProxy
      Average latency of other commands
      The average execution latency of commands (excluding write and read commands) between the proxy and the Redis server
      ms
      instanceid, pnodeid
      5s, 60s, 300s, 3600s, 86400s

      Redis node monitoring

      Parameter
      Metric Name
      Description
      Unit
      Dimension
      Statistical Period
      CpuUtilNode
      CPU utilization
      The average CPU utilization
      %
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      ConnectionsNode
      Connections
      The number of connections from the proxy to the node
      -
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      ConnectionsUtilNode
      Connection utilization
      The utilization of node connections
      %
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      MemUsedNode
      Used memory
      The actually used memory capacity, including the capacity for data and cache
      MB
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      MemUtilNode
      Memory utilization
      The ratio of the actually used memory to the requested total memory
      %
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      KeysNode
      Total keys
      The total number of keys (level-1 keys) stored in the instance
      -
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      ExpiredNode
      Expired keys
      The number of keys expired in a time window, which is equal to the value of expired_keys output by the info command
      -
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      EvictedNode
      Evicted keys
      The number of keys evicted in a time window, which is equal to the value of evicted_keys output by the info command
      -
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      ReplDelayNode
      Replication delay
      The command delay between the replica node and the master node
      Byte
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      CommandsNode
      Total requests
      The QPS, that is, the number of command executions per second
      Count/sec
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      CmdReadNode
      Read requests
      The number of read command executions per second
      Count/sec
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      CmdWriteNode
      Write requests
      The number of write command executions per second
      Count/sec
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      CmdOtherNode
      Other requests
      The number of command (excluding write and read commands) executions per second
      Count/sec
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      CmdSlowNode
      Slow queries
      The number of command executions with a latency greater than the configured slowlog-log-slower-than value
      -
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      CmdHitsNode
      Read request hits
      The number of keys successfully requested by read commands, which is equal to the value of the keyspace_hits metric output by the info command
      -
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      CmdMissNode
      Read request misses
      The number of keys unsuccessfully requested by read commands, which is equal to the value of the keyspace_misses metric output by the info command
      -
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s
      CmdHitsRatioNode
      Read request hit rate
      Key hits/(key hits + key misses). This metric reflects cache misses.
      %
      instanceid, rnodeid
      5s, 60s, 300s, 3600s, 86400s

      Dimensions and Parameters

      Parameter
      Dimension
      Description
      Format
      Instances.N.Dimensions.0.Name
      instanceid
      Dimension name of the instance ID
      Enter a string-type dimension name: instanceid
      Instances.N.Dimensions.0.Value
      instanceid
      Specific instance ID
      Enter a specific Redis instance ID, such as tdsql-123456, which can be queried through the DescribeInstances API and can also be an instance string such as crs-ifmymj41.
      Instances.N.Dimensions.1.Name
      rnodeid
      Dimension name of the Redis node ID
      Enter a string-type dimension name: rnodeid
      Instances.N.Dimensions.1.Value
      rnodeid
      Specific Redis node ID
      Enter a specific Redis node ID, which can be queried through the DescribeInstanceNodeInfo API.
      Instances.N.Dimensions.1.Name
      pnodeid
      Dimension name of the proxy node ID
      Enter a string-type dimension name: pnodeid
      Instances.N.Dimensions.1.Value
      pnodeid
      Specific proxy node ID
      Enter a specific proxy node ID, which can be queried through the DescribeInstanceNodeInfo API.
      Instances.N.Dimensions.1.Name
      command
      Dimension name of the command word
      Enter a string-type dimension name: command
      Instances.N.Dimensions.1.Value
      command
      Specific command word
      Enter a specific command word, such as ping and get

      Input Parameters

      To query the monitoring data of a TencentDB for Redis instance, use the following input parameters: &Namespace=QCE/REDIS_MEM &Instances.N.Dimensions.0.Name=instanceid &Instances.N.Dimensions.0.Value=Instance ID
      To query the monitoring data of a TencentDB proxy node, use the following input parameters: &Namespace=QCE/REDIS_MEM &Instances.N.Dimensions.0.Name=instanceid &Instances.N.Dimensions.0.Value=Instance ID &Instances.N.Dimensions.1.Name=pnodeid &Instances.N.Dimensions.1.Value=Proxy node ID
      To query the monitoring data of a TencentDB for Redis node, use the following input parameters: &Namespace=QCE/REDIS_MEM &Instances.N.Dimensions.0.Name=instanceid &Instances.N.Dimensions.0.Value=Instance ID &Instances.N.Dimensions.1.Name=rnodeid &Instances.N.Dimensions.1.Value=Redis node ID
      To query the monitoring data of TencentDB for Redis latency metrics (command dimension), use the following input parameters: &Namespace=QCE/REDIS_MEM &Instances.N.Dimensions.0.Name=instanceid &Instances.N.Dimensions.0.Value=Instance ID &Instances.N.Dimensions.1.Name=command &Instances.N.Dimensions.1.Value=Specific command word
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