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DCS Metrics

Updated on 2022-02-21 GMT+08:00

Introduction

This section describes DCS metrics reported to Cloud Eye as well as their namespaces and dimensions. You can use the Cloud Eye console or call APIs to query the DCS metrics and alarms.

Different types of instances are monitored on different dimensions.

  • Single-node:

    Single-node instances are monitored on the instance dimension. The monitoring is conducted on the Redis Server.

  • Master/standby:

    Master/Standby instances are monitored on the instance and Redis Server dimensions. Instance monitoring covers the master node, while Redis Server monitoring covers the master and standby nodes.

  • Cluster:

    Proxy Cluster instances are monitored on the instance, Redis Server, and proxy dimensions. Instance monitoring covers the aggregated master node data, Redis Server monitoring covers each shard in the cluster, and proxy monitoring covers each proxy in the cluster.

    Redis Cluster instances are monitored on the instance and Redis Server dimensions. Instance monitoring covers the aggregated master node data and Redis Server monitoring covers each shard in the cluster.

Namespace

SYS.DCS

DCS Redis 3.0 Instance Metrics

NOTE:

The Monitored Objects and Dimensions column lists instances and dimensions that support the corresponding metrics.

Table 1 DCS Redis 3.0 instance metrics

Metric ID

Metric

Description

Value Range

Monitored Object and Dimension

Monitoring Period (Raw Data)

cpu_usage

CPU Usage

CPU consumed by the monitored object

Unit: %

0–100%

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

memory_usage

Memory Usage

Memory consumed by the monitored object

Unit: %

0–100%

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

net_in_throughput

Network Input Throughput

Inbound throughput per second on a port

Unit: byte/s

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

net_out_throughput

Network Output Throughput

Outbound throughput per second on a port

Unit: byte/s

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

connected_clients

Connected Clients

Number of connected clients (excluding those from slave nodes)

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

client_longest_out_list

Client Longest Output List

Longest output list among current client connections

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

client_biggest_in_buf

Client Biggest Input Buf

Maximum input data length among current client connections

Unit: byte

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

blocked_clients

Blocked Clients

Number of clients suspended by block operations such as BLPOP, BRPOP, and BRPOPLPUSH

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

used_memory

Used Memory

Number of bytes used by the Redis server

Unit: byte

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

used_memory_rss

Used Memory RSS

Resident set size (RSS) memory that the Redis server has used, which is the memory that actually resides in the memory, including all stack and heap memory but not swapped-out memory

Unit: byte

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

used_memory_peak

Used Memory Peak

Peak memory consumed by Redis since the Redis server last started

Unit: byte

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

used_memory_lua

Used Memory Lua

Number of bytes used by the Lua engine

Unit: byte

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

memory_frag_ratio

Memory Fragmentation Ratio

Current memory fragmentation, which is the ratio between used_memory_rss/used_memory.

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

total_connections_received

New Connections

Number of connections received during the monitoring period

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

total_commands_processed

Commands Processed

Number of commands processed during the monitoring period

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

instantaneous_ops

Ops per Second

Number of commands processed per second

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

total_net_input_bytes

Network Input Bytes

Number of bytes received during the monitoring period

Unit: byte

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

total_net_output_bytes

Network Output Bytes

Number of bytes sent during the monitoring period

Unit: byte

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

instantaneous_input_kbps

Input Flow

Instantaneous input traffic

Unit: kbit/s

≥ 0 kbits/s

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

instantaneous_output_kbps

Output Flow

Instantaneous output traffic

Unit: kbit/s

≥ 0 kbits/s

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

rejected_connections

Rejected Connections

Number of connections that have exceeded maxclients and been rejected during the monitoring period

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

expired_keys

Expired Keys

Number of keys that have expired and been deleted during the monitoring period

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

evicted_keys

Evicted Keys

Number of keys that have been evicted and deleted during the monitoring period

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

keyspace_hits

Keyspace Hits

Number of successful lookups of keys in the main dictionary during the monitoring period

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

keyspace_misses

Keyspace Misses

Number of failed lookups of keys in the main dictionary during the monitoring period

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

pubsub_channels

PubSub Channels

Number of Pub/Sub channels

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

pubsub_patterns

PubSub Patterns

Number of Pub/Sub patterns

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

keyspace_hits_perc

Hit Rate

Ratio of the number of Redis cache hits to the number of lookups

Unit: %

0–100%

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

command_max_delay

Maximum Command Latency

Maximum latency of commands

Unit: ms

≥ 0 ms

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

auth_errors

Authentication Failures

Number of failed authentications

≥ 0

Monitored object:

Single-node or master/standby DCS Redis instance

Dimension:

dcs_instance_id

1 minute

is_slow_log_exist

Slow Query Logs

Existence of slow query logs in the instance

  • 1: yes
  • 0: no

Monitored object:

Single-node or master/standby DCS Redis instance

Dimension:

dcs_instance_id

1 minute

keys

Keys

Number of keys in Redis

≥ 0

Monitored object:

Single-node or master/standby DCS Redis instance

Dimension:

dcs_instance_id

1 minute

DCS Redis 4.0 and 5.0 Instance Metrics

NOTE:

The Monitored Objects and Dimensions column lists instances and dimensions that support the corresponding metrics.

Table 2 DCS Redis 4.0 and 5.0 instance metrics

Metric ID

Metric

Description

Value Range

Monitored Object and Dimension

Monitoring Period (Raw Data)

cpu_usage

CPU Usage

CPU consumed by the monitored object

Unit: %

0–100%

Monitored object:

Single-node or master/standby DCS Redis instance

Dimension:

dcs_instance_id

1 minute

command_max_delay

Maximum Command Latency

Maximum latency of commands

Unit: ms

≥ 0 ms

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

total_connections_received

New Connections

Number of connections received during the monitoring period

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

is_slow_log_exist

Slow Query Logs

Existence of slow query logs in the instance

  • 1: yes
  • 0: no

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

memory_usage

Memory Usage

Memory consumed by the monitored object

Unit: %

0–100%

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

expires

Keys With an Expiration

Number of keys with an expiration in Redis

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

keyspace_hits_perc

Hit Rate

Ratio of the number of Redis cache hits to the number of lookups

Unit: %

0–100%

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

used_memory

Used Memory

Number of bytes used by the Redis server

Unit: byte

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

used_memory_dataset

Used Memory Dataset

Dataset memory that the Redis server has used

Unit: byte

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

used_memory_dataset_perc

Used Memory Dataset Ratio

Percentage of dataset memory that the Redis server has used

Unit: %

0–100%

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

used_memory_rss

Used Memory RSS

Resident set size (RSS) memory that the Redis server has used, which is the memory that actually resides in the memory, including all stack and heap memory but not swapped-out memory

Unit: byte

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

instantaneous_ops

Ops per Second

Number of commands processed per second

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

keyspace_misses

Keyspace Misses

Number of failed lookups of keys in the main dictionary during the monitoring period

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

keys

Keys

Number of keys in Redis

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

blocked_clients

Blocked Clients

Number of clients suspended by block operations

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

connected_clients

Connected Clients

Number of connected clients (excluding those from slave nodes)

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

del

DEL

Number of DEL commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

evicted_keys

Evicted Keys

Number of keys that have been evicted and deleted during the monitoring period

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

expire

EXPIRE

Number of EXPIRE commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

expired_keys

Expired Keys

Number of keys that have expired and been deleted during the monitoring period

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

get

GET

Number of GET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

hdel

HDEL

Number of HDEL commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

hget

HGET

Number of HGET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

hmget

HMGET

Number of HMGET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

hmset

HMSET

Number of HMSET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

hset

HSET

Number of HSET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

instantaneous_input_kbps

Input Flow

Instantaneous input traffic

Unit: KB/s

≥ 0 KB/s

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

instantaneous_output_kbps

Output Flow

Instantaneous output traffic

Unit: KB/s

≥ 0 KB/s

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

memory_frag_ratio

Memory Fragmentation Ratio

Ratio between Used Memory RSS and Used Memory

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

mget

MGET

Number of MGET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

mset

MSET

Number of MSET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

pubsub_channels

PubSub Channels

Number of Pub/Sub channels

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

pubsub_patterns

PubSub Patterns

Number of Pub/Sub patterns

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

set

SET

Number of SET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

used_memory_lua

Used Memory Lua

Number of bytes used by the Lua engine

Unit: byte

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

used_memory_peak

Used Memory Peak

Peak memory consumed by Redis since the Redis server last started

Unit: byte

≥ 0

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

sadd

Sadd

Number of SADD commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

smembers

Smembers

Number of SMEMBERS commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Single-node, master/standby, or cluster DCS Redis instance

Dimension:

dcs_instance_id

1 minute

rx_controlled

Flow Control Times

Number of flow control times during the monitoring period

Unit: Count

≥ 0

Monitored object:

Redis Cluster instance

Dimension:

dcs_instance_id

1 minute

bandwidth_usage

Bandwidth Usage

Percentage of the used bandwidth to the maximum bandwidth limit

0–200%

Monitored object:

Redis Cluster instance

Dimension:

dcs_instance_id

1 minute

Cluster DCS Redis Instance Metrics

NOTE:
  • The following describes the metrics for cluster DCS instances. For Proxy Cluster DCS Redis 3.0 instances, the monitoring covers Redis Servers and Proxies. For Redis Cluster DCS Redis 4.0 and 5.0 instances, the monitoring only covers Redis Servers. For details, see Table 3 and Table 4.
  • The Monitored Objects and Dimensions column lists instances and dimensions that support the corresponding metrics.
Table 3 Redis Server metrics

Metric ID

Metric

Description

Value Range

Monitored Object and Dimension

Monitoring Period (Raw Data)

cpu_usage

CPU Usage

CPU consumed by the monitored object

Unit: %

0–100%

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

memory_usage

Memory Usage

Memory consumed by the monitored object

Unit: %

0–100%

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

connected_clients

Connected Clients

Number of connected clients (excluding those from slave nodes)

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

client_longest_out_list

Client Longest Output List

Longest output list among current client connections

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

client_biggest_in_buf

Client Biggest Input Buf

Maximum input data length among current client connections

Unit: byte

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

blocked_clients

Blocked Clients

Number of clients suspended by block operations such as BLPOP, BRPOP, and BRPOPLPUSH

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

used_memory

Used Memory

Number of bytes used by the Redis server

Unit: byte

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

used_memory_rss

Used Memory RSS

RSS memory that the Redis server has used, which including all stack and heap memory but not swapped-out memory

Unit: byte

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

used_memory_peak

Used Memory Peak

Peak memory consumed by Redis since the Redis server last started

Unit: byte

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

used_memory_lua

Used Memory Lua

Number of bytes used by the Lua engine

Unit: byte

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

memory_frag_ratio

Memory Fragmentation Ratio

Current memory fragmentation, which is the ratio between used_memory_rss/used_memory.

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

total_connections_received

New Connections

Number of connections received during the monitoring period

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

total_commands_processed

Commands Processed

Number of commands processed during the monitoring period

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

instantaneous_ops

Ops per Second

Number of commands processed per second

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

total_net_input_bytes

Network Input Bytes

Number of bytes received during the monitoring period

Unit: byte

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

total_net_output_bytes

Network Output Bytes

Number of bytes sent during the monitoring period

Unit: byte

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

instantaneous_input_kbps

Input Flow

Instantaneous input traffic

Unit: KB/s

≥ 0 KB/s

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

instantaneous_output_kbps

Output Flow

Instantaneous output traffic

Unit: KB/s

≥ 0 KB/s

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

rejected_connections

Rejected Connections

Number of connections that have exceeded maxclients and been rejected during the monitoring period

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

expired_keys

Expired Keys

Number of keys that have expired and been deleted during the monitoring period

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

evicted_keys

Evicted Keys

Number of keys that have been evicted and deleted during the monitoring period

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

pubsub_channels

PubSub Channels

Number of Pub/Sub channels

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

pubsub_patterns

PubSub Patterns

Number of Pub/Sub patterns

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

keyspace_hits_perc

Hit Rate

Ratio of the number of Redis cache hits to the number of lookups

Unit: %

0–100%

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

command_max_delay

Maximum Command Latency

Maximum latency of commands

Unit: ms

≥ 0 ms

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

is_slow_log_exist

Slow Query Logs

Existence of slow query logs in the node

  • 1: yes
  • 0: no

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

keys

Keys

Number of keys in Redis

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

sadd

Sadd

Number of SADD commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Redis Server of cluster DCS Redis 3.0, 4.0, or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

smembers

Smembers

Number of SMEMBERS commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Redis Server of cluster DCS Redis 4.0 or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

ms_repl_offset

Replication Gap

Data synchronization gap between the master and the replica

-

Monitored object:

Replica of cluster DCS Redis 4.0 or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

del

DEL

Number of DEL commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Redis Server of cluster DCS Redis 4.0 or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

expire

EXPIRE

Number of EXPIRE commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Redis Server of cluster DCS Redis 4.0 or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

get

GET

Number of GET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Redis Server of cluster DCS Redis 4.0 or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

hdel

HDEL

Number of HDEL commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Redis Server of cluster DCS Redis 4.0 or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

hget

HGET

Number of HGET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Redis Server of cluster DCS Redis 4.0 or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

hmget

HMGET

Number of HMGET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Redis Server of cluster DCS Redis 4.0 or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

hmset

HMSET

Number of HMSET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Redis Server of cluster DCS Redis 4.0 or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

hset

HSET

Number of HSET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Redis Server of cluster DCS Redis 4.0 or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

mget

MGET

Number of MGET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Redis Server of cluster DCS Redis 4.0 or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

mset

MSET

Number of MSET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Redis Server of cluster DCS Redis 4.0 or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

set

SET

Number of SET commands processed per second

Unit: Count/s

0–500,000

Monitored object:

Redis Server of cluster DCS Redis 4.0 or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

rx_controlled

Flow Control Times

Number of flow control times during the monitoring period

Unit: Count

≥ 0

Monitored object:

Redis Server of cluster DCS Redis 4.0 or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

bandwidth_usage

Bandwidth Usage

Percentage of the used bandwidth to the maximum bandwidth limit

0–200%

Monitored object:

Redis Server of cluster DCS Redis 4.0 or 5.0 instance

Dimension:

dcs_cluster_redis_node

1 minute

Table 4 Proxy metrics

Metric ID

Metric

Description

Value Range

Monitored Object and Dimension

Monitoring Period (Raw Data)

cpu_usage

CPU Usage

CPU consumed by the monitored object

Unit: %

0–100%

Monitored object:

Proxy in a DCS Redis 3.0 instance

Dimension:

dcs_cluster_proxy_node

1 minute

memory_usage

Memory Usage

Memory consumed by the monitored object

Unit: %

0–100%

Monitored object:

Proxy in a DCS Redis 3.0 instance

Dimension:

dcs_cluster_proxy_node

1 minute

p_connected_clients

Connected Clients

Number of connected clients

≥ 0

Monitored object:

Proxy in a DCS Redis 3.0 instance

Dimension:

dcs_cluster_proxy_node

1 minute

max_rxpck_per_sec

Max. NIC Data Packet Receive Rate

Maximum number of data packets received by the proxy NIC per second during the monitoring period

Unit: packages/second

0–10,000,000

Monitored object:

Proxy in a DCS Redis 3.0 instance

Dimension:

dcs_cluster_proxy_node

1 minute

max_txpck_per_sec

Max. NIC Data Packet Transmit Rate

Maximum number of data packets transmitted by the proxy NIC per second during the monitoring period

Unit: packages/second

0–10,000,000

Monitored object:

Proxy in a DCS Redis 3.0 instance

Dimension:

dcs_cluster_proxy_node

1 minute

max_rxkB_per_sec

Maximum Inbound Bandwidth

Largest volume of data received by the proxy NIC per second

Unit: KB/s

≥ 0 KB/s

Monitored object:

Proxy in a DCS Redis 3.0 instance

Dimension:

dcs_cluster_proxy_node

1 minute

max_txkB_per_sec

Maximum Outbound Bandwidth

Largest volume of data transmitted by the proxy NIC per second

Unit: KB/s

≥ 0 KB/s

Monitored object:

Proxy in a DCS Redis 3.0 instance

Dimension:

dcs_cluster_proxy_node

1 minute

avg_rxpck_per_sec

Average NIC Data Packet Receive Rate

Average number of data packets received by the proxy NIC per second during the monitoring period

Unit: packages/second

0–10,000,000

Monitored object:

Proxy in a DCS Redis 3.0 instance

Dimension:

dcs_cluster_proxy_node

1 minute

avg_txpck_per_sec

Average NIC Data Packet Transmit Rate

Average number of data packets transmitted by the proxy NIC per second during the monitoring period

Unit: packages/second

0–10,000,000

Monitored object:

Proxy in a DCS Redis 3.0 instance

Dimension:

dcs_cluster_proxy_node

1 minute

avg_rxkB_per_sec

Average Inbound Bandwidth

Average volume of data received by the proxy NIC per second

Unit: KB/s

≥ 0 KB/s

Monitored object:

Proxy in a DCS Redis 3.0 instance

Dimension:

dcs_cluster_proxy_node

1 minute

avg_txkB_per_sec

Average Outbound Bandwidth

Average volume of data transmitted by the proxy NIC per second

Unit: KB/s

≥ 0 KB/s

Monitored object:

Proxy in a DCS Redis 3.0 instance

Dimension:

dcs_cluster_proxy_node

1 minute

Dimensions

Key

Value

dcs_instance_id

DCS Redis instance

dcs_cluster_redis_node

Redis Server

dcs_cluster_proxy_node

Proxy

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