diff --git a/home/docs/help/redis.md b/home/docs/help/redis.md index dca24d20781..2edbc47f482 100644 --- a/home/docs/help/redis.md +++ b/home/docs/help/redis.md @@ -1,239 +1,234 @@ --- id: redis -title: 监控：REDIS数据库监控 +title: Monitorin REDIS database sidebar_label: REDIS -keywords: [开源监控系统, 开源数据库监控, Redis数据库监控] +keywords: [ open source monitoring tool, open source Redis monitoring tool, monitoring Redis metrics ] --- -> 对REDIS数据库的通用性能指标进行采集监控。支持REDIS1.0+。 +> Collect and monitor the general performance Metrics of Redis database. Support REDIS1.0+. -### 配置参数 +### Configuration parameter -| 参数名称 | 参数帮助描述 | +| Parameter name | Parameter help description | |--------|------------------------------------------------------| -| 监控Host | 被监控的对端IPV4，IPV6或域名。注意⚠️不带协议头(eg: https://, http://)。 | -| 任务名称 | 标识此监控的名称，名称需要保证唯一性。 | -| 端口 | redis对外提供的端口，默认为6379,sentinel节点默认26379 | -| 超时时间 | 设置redis info 查询未响应数据时的超时时间，单位ms毫秒，默认3000毫秒。 | -| 数据库名称 | 数据库实例名称，可选。 | -| 用户名 | 数据库连接用户名，可选 | -| 密码 | 数据库连接密码，可选 | -| 采集间隔 | 监控周期性采集数据间隔时间，单位秒，可设置的最小间隔为30秒 | -| 是否探测 | 新增监控前是否先探测检查监控可用性，探测成功才会继续新增修改操作 | -| 描述备注 | 更多标识和描述此监控的备注信息，用户可以在这里备注信息 | - -### 采集指标 - -#### 指标集合：server - -| 指标名称 | 指标单位 | 指标帮助描述 | +| Target Host | The IP, IPV6, or domain name of the monitored endpoint. Note ⚠️: Do not include protocol headers (eg: https://, http://). | +| Port | The HTTP port provided by Redis, default value is 6379, sentinel node`s default value is 26379 | +| Timeout | Set the timeout time when SQL query does not respond to data, unit: ms, default: 3000ms | +| Username | Database connection user name, optional | +| Password | Database connection password, optional | + +### Collection Metric + +#### Metric set：server + +| Metric name | Metric unit | Metric help description | |--------------------------|------|-----------------------------------------------| -| redis_version | 无 | Redis 服务器版本 | -| redis_git_sha1 | 无 | Git SHA1 | -| redis_git_dirty | 无 | Git dirty flag | -| redis_build_id | 无 | redis 构建的id | -| redis_mode | 无 | redis模式（包括standalone, sentinel, cluster） | -| os | 无 | Redis 服务器的宿主操作系统 | -| arch_bits | 无 | 架构（32 或 64 位） | -| multiplexing_api | 无 | Redis使用的事件循环机制 | -| atomicvar_api | 无 | Redis使用的原子 API | -| gcc_version | 无 | 用于编译Redis服务器的GCC编译器版本 | -| process_id | 无 | 服务器进程的PID | -| process_supervised | 无 | 受监管系统（包括：upstart、systemd、unknown、no） | -| run_id | 无 | 标识Redis服务器的随机值（由Sentinel和Cluster使用） | -| tcp_port | 无 | TCP/IP侦听端口 | -| server_time_usec | 无 | 微秒级精度的基于时间的系统时间 | -| uptime_in_seconds | 无 | 自Redis服务器启动后的秒数 | -| uptime_in_days | 无 | 自Redis服务器启动后的天数 | -| hz | 无 | 服务器的当前频率设置，redis相关定时任务的执行频率（如清除过期key，关闭超时客户端） | -| configured_hz | 无 | 服务器配置的频率设置 | -| lru_clock | 无 | 时钟每分钟递增，用于LRU管理 | -| executable | 无 | 服务器可执行文件的路径 | -| config_file | 无 | 配置文件的路径 | -| io_threads_active | 无 | 指示I/O线程是否处于活动状态的标志 | -| shutdown_in_milliseconds | 无 | 复制副本在完成关闭序列之前赶上复制的最长剩余时间。此字段仅在停机期间出现。 | - -#### 指标集合：clients - -| 指标名称 | 指标单位 | 指标帮助描述 | +| redis_version | none | Version of the Redis server | +| redis_git_sha1 | none | Git SHA1 | +| redis_git_dirty | none | Git dirty flag | +| redis_build_id | none | The build id | +| redis_mode | none | The server's mode ("standalone", "sentinel" or "cluster") | +| os | none | Operating system hosting the Redis server | +| arch_bits | none | Architecture (32 or 64 bits) | +| multiplexing_api | none | Event loop mechanism used by Redis | +| atomicvar_api | none | Atomicvar API used by Redis | +| gcc_version | none | Version of the GCC compiler used to compile the Redis server | +| process_id | none | PID of the server process | +| process_supervised | none | Supervised system ("upstart", "systemd", "unknown" or "no") | +| run_id | none | Random value identifying the Redis server (to be used by Sentinel and Cluster) | +| tcp_port | none | TCP/IP listen port | +| server_time_usec | none | Epoch-based system time with microsecond precision | +| uptime_in_seconds | none | Number of seconds since Redis server start | +| uptime_in_days | none | Same value expressed in days | +| hz | none | The server's current frequency setting | +| configured_hz | none | The server's configured frequency setting | +| lru_clock | none | Clock incrementing every minute, for LRU management | +| executable | none | The path to the server's executable | +| config_file | none | The path to the config file | +| io_threads_active | none | Flag indicating if I/O threads are active | +| shutdown_in_milliseconds | none | The maximum time remaining for replicas to catch up the replication before completing the shutdown sequence. This field is only present during shutdown. | + +#### Metric set：clients + +| Metric name | Metric unit | Metric help description | |---------------------------------|------|--------------------------------------------------------------------------------| -| connected_clients | 无 | 客户端连接数（不包括来自副本的连接） | -| cluster_connections | 无 | 群集总线使用的套接字数量的近似值 | -| maxclients | 无 | maxclients配置指令的值。这是connected_clients、connected_slave和cluster_connections之和的上限。 | -| client_recent_max_input_buffer | byte | 当前客户端连接中最大的输入缓冲区 | -| client_recent_max_output_buffer | byte | 当前客户端连接中最大的输出缓冲区 | -| blocked_clients | 无 | 阻塞呼叫挂起的客户端数（BLPOP、BRPOP、BRPOPLPUSH、BLMOVE、BZPOPMIN、BZPOPMAX） | -| tracking_clients | 无 | 正在跟踪的客户端数（CLIENT TRACKING） | -| clients_in_timeout_table | 无 | 客户端超时表中的客户端数 | - -#### 指标集合：memory - -| 指标名称 | 指标单位 | 指标帮助描述 | +| connected_clients | none | Number of client connections (excluding connections from replicas) | +| cluster_connections | none | An approximation of the number of sockets used by the cluster's bus | +| maxclients | none | The value of the maxclients configuration directive. This is the upper limit for the sum of connected_clients, connected_slaves and cluster_connections. | +| client_recent_max_input_buffer | byte | Biggest input buffer among current client connections | +| client_recent_max_output_buffer | byte | Biggest output buffer among current client connections | +| blocked_clients | none | Number of clients pending on a blocking call (BLPOP, BRPOP, BRPOPLPUSH, BLMOVE, BZPOPMIN, BZPOPMAX) | +| tracking_clients | none | Number of clients being tracked (CLIENT TRACKING) | +| clients_in_timeout_table | none | Number of clients in the clients timeout table | + +#### Metric set：memory + +| Metric name | Metric unit | Metric help description | |---------------------------|----------|-----------------------------------------------------------------------------------------------| -| used_memory | byte | Redis使用其分配器（标准libc、jemalloc或tcmalloc等替代分配器）分配的总字节数 | -| used_memory_human | GB/MB/KB | 上一个值的人类可读表示 | -| used_memory_rss | byte | 操作系统看到的Redis分配的字节数（也称为驻留集大小）。这是top（1）和ps（1）等工具报告的数字 | -| used_memory_rss_human | GB/MB/KB | 上一个值的人类可读值 | -| used_memory_peak | byte | Redis消耗的峰值内存（字节） | -| used_memory_peak_human | GB/MB/KB | 上一个值的人类可读值 | -| used_memory_peak_perc | 无 | used_memory_peak 与used_memory百分比 | -| used_memory_overhead | byte | 服务器分配用于管理其内部数据结构的所有开销的字节总和 | -| used_memory_startup | byte | Redis在启动时消耗的初始内存量（字节） | -| used_memory_dataset | byte | 数据集的字节大小（used_memory - used_memory_overhead） | -| used_memory_dataset_perc | 无 | 已用内存数据集占净内存使用量的百分比（used_memory_dataset / (used_memory - used_memory_startup)） | -| allocator_allocated | byte | 从分配器分配的总字节数，包括内部碎片。通常与使用的内存相同 | -| allocator_active | byte | 分配器活动页中的总字节数，包括外部碎片 | -| allocator_resident | byte | 分配器中驻留的总字节数（RSS），包括可释放到操作系统的页面（通过MEMORY PURGE或仅等待） | -| total_system_memory | byte | Redis主机的内存总量 | -| total_system_memory_human | GB/MB/KB | 上一个值的人类可读值 | -| used_memory_lua | byte | Lua引擎使用的字节数 | -| used_memory_lua_human | KB | 上一个值的人类可读值 | -| used_memory_scripts | byte | 缓存Lua脚本使用的字节数 | -| used_memory_scripts_human | GB/MB/KB | 上一值的人类可读值 | -| number_of_cached_scripts | 无 | 缓存的lua脚本数量 | -| maxmemory | byte | maxmemory配置指令的值 | -| maxmemory_human | GB/MB/KB | 上一个值的人类可读值 | -| maxmemory_policy | 无 | 当达到maxmemory时的淘汰策略 | -| allocator_frag_ratio | 无 | allocator_active 和 allocator_allocated之间的比率这是真实（外部）碎片度量（不是mem_fragmentation_ratio） | -| allocator_frag_bytes | byte | allocator_active 和 allocator_allocated 之间的差值。 | -| allocator_rss_ratio | | 从操作系统角度看, 内存分配器碎片比例 | -| allocator_rss_bytes | byte | allocator_resident 和 allocator_active之间的差值 | -| rss_overhead_ratio | 无 | used_memory_rss和allocator_resident之间的比率，这包括与分配器或堆无关的RSS开销 | -| rss_overhead_bytes | byte | used_memory_rss和allocator_resident之间的增量 | -| mem_fragmentation_ratio | 无 | used_memory_rss和used_memory之间的比率，注意，这不仅包括碎片，还包括其他进程开销（请参阅allocator_* metrics），以及代码、共享库、堆栈等开销。 | -| mem_fragmentation_bytes | byte | used_memory_rss和used_memory之间的增量。注意，当总碎片字节较低（几兆字节）时，高比率（例如1.5及以上）不是问题的表现 | -| mem_not_counted_for_evict | byte | 不应驱逐的内存大小,以字节为单位。这基本上是瞬时复制和AOF缓冲区。 | -| mem_replication_backlog | byte | 复制backlog的内存大小, 以字节为单位 | -| mem_clients_slaves | 无 | 副本客户端使用的内存-从Redis 7.0开始，副本缓冲区与复制积压工作共享内存，因此当副本不触发内存使用增加时，此字段可以显示0。 | -| mem_clients_normal | 无 | 普通客户端使用的内存 | -| mem_aof_buffer | 无 | 用于AOF和AOF重写缓冲区的临时大小 | -| mem_allocator | 无 | 内存分配器，在编译时选择。 | -| active_defrag_running | 无 | 启用activedefrag时，这表示碎片整理当前是否处于活动状态，以及它打算使用的CPU百分比。 | -| lazyfree_pending_objects | 无 | 等待释放的对象数（使用ASYNC选项调用UNLINK或FLUSHDB和FLUSHOLL） | -| lazyfreed_objects | 无 | 已延迟释放的对象数。 | - -#### 指标集合：persistence - -| 指标名称 | 指标单位 | 指标帮助描述 | +| used_memory | byte | Total number of bytes allocated by Redis using its allocator (either standard libc, jemalloc, or an alternative allocator such as tcmalloc) | +| used_memory_human | GB/MB/KB | Human readable representation of previous value | +| used_memory_rss | byte | Number of bytes that Redis allocated as seen by the operating system (a.k.a resident set size). This is the number reported by tools such as top(1) and ps(1) | +| used_memory_rss_human | GB/MB/KB | Human readable representation of previous value值 | +| used_memory_peak | byte | Peak memory consumed by Redis (in bytes) | +| used_memory_peak_human | GB/MB/KB | Human readable representation of previous value | +| used_memory_peak_perc | none | The percentage of used_memory_peak out of used_memory | +| used_memory_overhead | byte | The sum in bytes of all overheads that the server allocated for managing its internal data structures | +| used_memory_startup | byte | Initial amount of memory consumed by Redis at startup in bytes | +| used_memory_dataset | byte | The size in bytes of the dataset (used_memory_overhead subtracted from used_memory) | +| used_memory_dataset_perc | none | The percentage of used_memory_dataset out of the net memory usage (used_memory minus used_memory_startup) | +| allocator_allocated | byte | Total bytes allocated form the allocator, including internal-fragmentation. Normally the same as used_memory. | +| allocator_active | byte | Total bytes in the allocator active pages, this includes external-fragmentation. | +| allocator_resident | byte | Total bytes resident (RSS) in the allocator, this includes pages that can be released to the OS (by MEMORY PURGE, or just waiting). | +| total_system_memory | byte | The total amount of memory that the Redis host has | +| total_system_memory_human | GB/MB/KB | Human readable representation of previous value | +| used_memory_lua | byte | Number of bytes used by the Lua engine for EVAL scripts. Deprecated in Redis 7.0, renamed to used_memory_vm_eval | +| used_memory_lua_human | KB | Human readable representation of previous value. Deprecated in Redis 7.0 | +| used_memory_scripts | byte | used_memory_scripts_eval + used_memory_functions (part of used_memory). Added in Redis 7.0 | +| used_memory_scripts_human | GB/MB/KB | Human readable representation of previous value | +| number_of_cached_scripts | none | The number of EVAL scripts cached by the server. Added in Redis 7.0 | +| maxmemory | byte | The value of the maxmemory configuration directive | +| maxmemory_human | GB/MB/KB | Human readable representation of previous value | +| maxmemory_policy | none | The value of the maxmemory-policy configuration directive | +| allocator_frag_ratio | none | Ratio between allocator_active and allocator_allocated. This is the true (external) fragmentation metric (not mem_fragmentation_ratio). | +| allocator_frag_bytes | byte | Delta between allocator_active and allocator_allocated. See note about mem_fragmentation_bytes. | +| allocator_rss_ratio | | Ratio between allocator_resident and allocator_active. | +| allocator_rss_bytes | byte | Delta between allocator_resident and allocator_active | +| rss_overhead_ratio | none | Ratio between used_memory_rss (the process RSS) and allocator_resident. This includes RSS overheads that are not allocator or heap related. | +| rss_overhead_bytes | byte | Delta between used_memory_rss (the process RSS) and allocator_resident | +| mem_fragmentation_ratio | none | Ratio between used_memory_rss and used_memory. Note that this doesn't only includes fragmentation, but also other process overheads (see the allocator_* metrics), and also overheads like code, shared libraries, stack, etc. | +| mem_fragmentation_bytes | byte | Delta between used_memory_rss and used_memory. Note that when the total fragmentation bytes is low (few megabytes), a high ratio (e.g. 1.5 and above) is not an indication of an issue. | +| mem_not_counted_for_evict | byte | Used memory that's not counted for key eviction. This is basically transient replica and AOF buffers. | +| mem_replication_backlog | byte | Memory used by replication backlog | +| mem_clients_slaves | none | Memory used by replica clients - Starting Redis 7.0, replica buffers share memory with the replication backlog, so this field can show 0 when replicas don't trigger an increase of memory usage. | +| mem_clients_normal | none | Memory used by normal clients | +| mem_aof_buffer | none | Transient memory used for AOF and AOF rewrite buffers | +| mem_allocator | none | Memory allocator, chosen at compile time. | +| active_defrag_running | none | When activedefrag is enabled, this indicates whether defragmentation is currently active, and the CPU percentage it intends to utilize. | +| lazyfree_pending_objects | none | The number of objects waiting to be freed (as a result of calling UNLINK, or FLUSHDB and FLUSHALL with the ASYNC option) | +| lazyfreed_objects | none | The number of objects that have been lazy freed. | + +#### Metric set：persistence + +| Metric name | Metric unit | Metric help description | |------------------------------|--------|-----------------------------------------------------------------------------------------------------| -| loading | 无 | 服务器是否正在进行持久化 0 - 否 1 -是 | -| current_cow_size | byte | 运行子fork时写入时复制内存的大小（以字节为单位） | -| current_cow_size_age | second | current_cow_size值的年龄（以秒为单位） | -| current_fork_perc | 无 | 当前fork进程的百分比，对于AOF和RDB的fork，它是current_save_keys_processed占current_save_keys_total的百分比 | -| current_save_keys_processed | 无 | 当前保存操作处理的key的数量 | -| current_save_keys_total | 无 | 当前保存操作开始时的key的数量 | -| rdb_changes_since_last_save | 无 | 离最近一次成功生成rdb文件，写入命令的个数，即有多少个写入命令没有持久化 | -| rdb_bgsave_in_progress | 无 | 服务器是否正在创建rdb文件 0 - 否 1 - 是 | -| rdb_last_save_time | second | 最近一次创建rdb文件的时间戳,单位秒 | -| rdb_last_bgsave_status | 无 | 最近一次rdb持久化是否成功 ok 成功 | -| rdb_last_bgsave_time_sec | second | 最近一次成功生成rdb文件耗时秒数 | -| rdb_current_bgsave_time_sec | 无 | 如果服务器正在创建rdb文件，那么这个字段记录的就是当前的创建操作已经耗费的秒数 | -| rdb_last_cow_size | 无 | RDB过程中父进程与子进程相比执行了多少修改(包括读缓冲区，写缓冲区，数据修改等) | -| aof_enabled | 无 | 是否开启了AOF 0 - 否 1 - 是 | -| aof_rewrite_in_progress | 无 | 标识aof的rewrite操作是否在进行中 0 - 否 1- 是 | -| aof_rewrite_scheduled | 无 | rewrite任务计划，当客户端发送bgrewriteaof指令，如果当前rewrite子进程正在执行，那么将客户端请求的bgrewriteaof变为计划任务，待aof子进程结束后执行rewrite | -| aof_last_rewrite_time_sec | 无 | 最近一次aof rewrite耗费的时长 | -| aof_current_rewrite_time_sec | second | 如果rewrite操作正在进行，则记录所使用的时间，单位秒 | -| aof_last_bgrewrite_status | 无 | 上次 bgrewrite aof 操作的状态 ok 成功 | -| aof_last_write_status | 无 | 上次aof写入状态 | -| aof_last_cow_size | 无 | AOF过程中父进程与子进程相比执行了多少修改(包括读缓冲区，写缓冲区，数据修改等) | -| module_fork_in_progress | 无 | 指示fork模块正在进行的标志 | -| module_fork_last_cow_size | 无 | 上一次fork操作期间写入时复制内存的字节大小 | - -#### 指标集合：stats - -| 指标名称 | 指标单位 | 指标帮助描述 | +| loading | none | Flag indicating if the load of a dump file is on-going | +| current_cow_size | byte | The size in bytes of copy-on-write memory while a child fork is running | +| current_cow_size_age | second | The age, in seconds, of the current_cow_size value. | +| current_fork_perc | none | The percentage of progress of the current fork process. For AOF and RDB forks it is the percentage of current_save_keys_processed out of | +| current_save_keys_processed | none | Number of keys processed by the current save operation | +| current_save_keys_total | none | Number of keys at the beginning of the current save operation | +| rdb_changes_since_last_save | none | Number of changes since the last dump | +| rdb_bgsave_in_progress | none | Flag indicating a RDB save is on-going | +| rdb_last_save_time | second | Epoch-based timestamp of last successful RDB save | +| rdb_last_bgsave_status | none | Status of the last RDB save operation | +| rdb_last_bgsave_time_sec | second | Duration of the last RDB save operation in seconds | +| rdb_current_bgsave_time_sec | none | Duration of the on-going RDB save operation if any | +| rdb_last_cow_size | none | The size in bytes of copy-on-write memory during the last RDB save operation | +| aof_enabled | none | Flag indicating AOF logging is activated | +| aof_rewrite_in_progress | none | Flag indicating a AOF rewrite operation is on-going | +| aof_rewrite_scheduled | none | Flag indicating an AOF rewrite operation will be scheduled once the on-going RDB save is complete. | +| aof_last_rewrite_time_sec | none | Duration of the last AOF rewrite operation in seconds | +| aof_current_rewrite_time_sec | second | Duration of the on-going AOF rewrite operation if any | +| aof_last_bgrewrite_status | none | Status of the last AOF rewrite operation | +| aof_last_write_status | none | Status of the last write operation to the AOF | +| aof_last_cow_size | none | The size in bytes of copy-on-write memory during the last AOF rewrite operation | +| module_fork_in_progress | none | Flag indicating a module fork is on-going | +| module_fork_last_cow_size | none | The size in bytes of copy-on-write memory during the last module fork operation | + +#### Metric set：stats + +| Metric name | Metric unit | Metric help description | |--------------------------------|------|----------------------------------------------------| -| total_connections_received | 无 | 服务器接受的连接总数 | -| total_commands_processed | 无 | 服务器处理的命令总数 | -| instantaneous_ops_per_sec | 无 | 每秒处理的命令数 | -| total_net_input_bytes | byte | 从网络读取的字节总数 | -| total_net_output_bytes | byte | 写入网络的总字节数 | -| instantaneous_input_kbps | KB/S | 网络每秒的读取速率（KB/秒） | -| instantaneous_output_kbps | KB/S | 网络每秒的写入速率（KB/秒） | -| rejected_connections | 无 | 由于maxclients限制而拒绝的连接数 | -| sync_full | 无 | 具有副本的完整重新同步数 | -| sync_partial_ok | 无 | 接受的部分重新同步请求数 | -| sync_partial_err | 无 | 被拒绝的部分重新同步请求数 | -| expired_keys | 无 | 过期的key总数 | -| expired_stale_perc | 无 | 可能过期key的百分比 | -| expired_time_cap_reached_count | 无 | 活动过期周期提前停止的次数 | -| expire_cycle_cpu_milliseconds | 无 | 活动到期周期所花费的累计时间 | -| evicted_keys | 无 | 由于最大内存限制而收回key的数量 | -| keyspace_hits | 无 | 在主dict 中成功查找key的次数 | -| keyspace_misses | 无 | 在主dict 中未查到key的次数 | -| pubsub_channels | 无 | 客户端使用 pub/sub 频道的总和 | -| pubsub_patterns | 无 | 客户端使用 pub/sub 模式的全局数量 | -| latest_fork_usec | 无 | 最后一次fork操作的持续时间（以微秒为单位） | -| total_forks | 无 | 自服务器启动以来的fork操作总数 | -| migrate_cached_sockets | 无 | 为MIGRATE目的打开的socket数量 | -| slave_expires_tracked_keys | 无 | trace key 到期的数量（仅适用于可写副本） | -| active_defrag_hits | 无 | 主动碎片整理命中次数 | -| active_defrag_misses | 无 | 主动碎片整理未命中次数 | -| active_defrag_key_hits | 无 | 主动碎片整理key命中次数 | -| active_defrag_key_misses | 无 | 主动碎片整理key未命中次数 | -| tracking_total_keys | 无 | key 查询的总数 | -| tracking_total_items | 无 | item查询的总数 | -| tracking_total_prefixes | 无 | 前缀查询的总数 | -| unexpected_error_replies | 无 | 意外错误回复数，即AOF加载或复制中的错误类型 | -| total_error_replies | 无 | 发出的错误回复总数，即被拒绝的命令（命令执行之前的错误）和失败的命令（在命令执行过程中的错误）的总和 | -| dump_payload_sanitizations | 无 | 参考sanitize-dump-payload配置 | -| total_reads_processed | 无 | 正在读取的请求数 | -| total_writes_processed | 无 | 正在写入的请求数 | -| io_threaded_reads_processed | 无 | 正在读取的线程数 | -| io_threaded_writes_processed | 无 | 正在写入的线程数 | - -#### 指标集合：replication - -| 指标名称 | 指标单位 | 指标帮助描述 | +| total_connections_received | none | Total number of connections accepted by the server | +| total_commands_processed | none | Total number of commands processed by the server | +| instantaneous_ops_per_sec | none | Number of commands processed per second | +| total_net_input_bytes | byte | The total number of bytes read from the network | +| total_net_output_bytes | byte | The total number of bytes written to the network | +| instantaneous_input_kbps | KB/S | The network's read rate per second in KB/sec | +| instantaneous_output_kbps | KB/S | The network's write rate per second in KB/sec | +| rejected_connections | none | Number of connections rejected because of maxclients limit | +| sync_full | none | The number of full resyncs with replicas | +| sync_partial_ok | none | The number of accepted partial resync requests | +| sync_partial_err | none | The number of denied partial resync requests | +| expired_keys | none | Total number of key expiration events | +| expired_stale_perc | none | The percentage of keys probably expired | +| expired_time_cap_reached_count | none | The count of times that active expiry cycles have stopped early | +| expire_cycle_cpu_milliseconds | none | The cumulative amount of time spent on active expiry cycles | +| evicted_keys | none | Number of evicted keys due to maxmemory limit | +| keyspace_hits | none | Number of successful lookup of keys in the main dictionary | +| keyspace_misses | none | Number of failed lookup of keys in the main dictionary | +| pubsub_channels | none | Global number of pub/sub channels with client subscriptions | +| pubsub_patterns | none | Global number of pub/sub pattern with client subscriptions | +| latest_fork_usec | none | Duration of the latest fork operation in microseconds | +| total_forks | none | Total number of fork operations since the server start | +| migrate_cached_sockets | none | The number of sockets open for MIGRATE purposes | +| slave_expires_tracked_keys | none | The number of keys tracked for expiry purposes (applicable only to writable replicas) | +| active_defrag_hits | none | Number of value reallocations performed by active the defragmentation process | +| active_defrag_misses | none | Number of aborted value reallocations started by the active defragmentation process | +| active_defrag_key_hits | none | Number of keys that were actively defragmented | +| active_defrag_key_misses | none | Number of keys that were skipped by the active defragmentation process | +| tracking_total_keys | none | Number of keys being tracked by the server | +| tracking_total_items | none | Number of items, that is the sum of clients number for each key, that are being tracked | +| tracking_total_prefixes | none | Number of tracked prefixes in server's prefix table (only applicable for broadcast mode) | +| unexpected_error_replies | none | Number of unexpected error replies, that are types of errors from an AOF load or replication | +| total_error_replies | none | Total number of issued error replies, that is the sum of rejected commands (errors prior command execution) and failed commands (errors within the command execution) | +| dump_payload_sanitizations | none | Total number of dump payload deep integrity validations (see sanitize-dump-payload config). | +| total_reads_processed | none | Total number of read events processed | +| total_writes_processed | none | Total number of write events processed | +| io_threaded_reads_processed | none | Number of read events processed by the main and I/O threads | +| io_threaded_writes_processed | none | Number of write events processed by the main and I/O threads | + +#### Metric set：replication + +| Metric name | Metric unit | Metric help description | |--------------------------------|------|-------------------------------------------------------------------------------------| -| role | 无 | 节点角色 master 主节点 slave 从节点 | -| connected_slaves | 无 | 连接的从节点数 | -| master_failover_state | 无 | 正在进行的故障切换的状态（如果有） | -| master_replid | 无 | 实例启动的随机字符串 | -| master_replid2 | 无 | 故障切换后用于PSYNC的辅助复制ID | -| master_repl_offset | 无 | 主从同步偏移量 | -| second_repl_offset | 无 | 接受从服务ID的最大偏移量 | -| repl_backlog_active | 无 | 表示从服务挤压处于活动状态 | -| repl_backlog_size | byte | 从服务积压缓冲区的总大小（字节） | -| repl_backlog_first_byte_offset | 无 | 复制缓冲区里偏移量的大小 | -| repl_backlog_histlen | 无 | 此值等于 master_repl_offset - repl_backlog_first_byte_offset,该值不会超过repl_backlog_size的大小 | - -#### 指标集合：cpu - -| 指标名称 | 指标单位 | 指标帮助描述 | +| role | none | Value is "master" if the instance is replica of no one, or "slave" if the instance is a replica of some master instance. Note that a replica can be master of another replica (chained replication). | +| connected_slaves | none | Number of connected replicas | +| master_failover_state | none | The state of an ongoing failover, if any. | +| master_replid | none | The replication ID of the Redis server. | +| master_replid2 | none | The secondary replication ID, used for PSYNC after a failover. | +| master_repl_offset | none | The server's current replication offset | +| second_repl_offset | none | The offset up to which replication IDs are accepted | +| repl_backlog_active | none | Flag indicating replication backlog is active | +| repl_backlog_size | byte | Total size in bytes of the replication backlog buffer | +| repl_backlog_first_byte_offset | none | The master offset of the replication backlog buffer | +| repl_backlog_histlen | none | Size in bytes of the data in the replication backlog buffer | + +#### Metric set：cpu + +| Metric name | Metric unit | Metric help description | |---------------------------|------|------------------------| -| used_cpu_sys | 无 | Redis主进程在内核态所占用CPU时钟总和 | -| used_cpu_user | 无 | Redis主进程在用户态所占用CPU时钟总和 | -| used_cpu_sys_children | 无 | Redis子进程在内核态所占用CPU时钟总和 | -| used_cpu_user_children | 无 | Redis子进程在用户态所占用CPU时钟总和 | -| used_cpu_sys_main_thread | 无 | Redis服务器主线程消耗的内核CPU | -| used_cpu_user_main_thread | 无 | Redis服务器主线程消耗的用户CPU | +| used_cpu_sys | none | System CPU consumed by the Redis server, which is the sum of system CPU consumed by all threads of the server process (main thread and background threads) | +| used_cpu_user | none | User CPU consumed by the Redis server, which is the sum of user CPU consumed by all threads of the server process (main thread and background threads) | +| used_cpu_sys_children | none | System CPU consumed by the background processes | +| used_cpu_user_children | none | User CPU consumed by the background processes | +| used_cpu_sys_main_thread | none | System CPU consumed by the Redis server main thread | +| used_cpu_user_main_thread | none | User CPU consumed by the Redis server main thread | -#### 指标集合：errorstats +#### Metric set：errorstats -| 指标名称 | 指标单位 | 指标帮助描述 | +| Metric name | Metric unit | Metric help description | |-------------------|------|-----------| -| errorstat_ERR | 无 | 错误累计出现的次数 | -| errorstat_MISCONF | 无 | | +| errorstat_ERR | none | ERR count | +| errorstat_MISCONF | none | MISCONF count | -#### 指标集合：cluster +#### Metric set：cluster -| 指标名称 | 指标单位 | 指标帮助描述 | +| Metric name | Metric unit | Metric help description | |-----------------|------|--------------------| -| cluster_enabled | 无 | 集群是否开启 0 - 否 1 - 是 | +| cluster_enabled | none | Indicate Redis cluster is enabled | -#### 指标集合：commandstats +#### Metric set：commandstats -| 指标名称 | 指标单位 | 指标帮助描述 | +| Metric name | Metric unit | Metric help description | |---------------|------|---------------------------------------------------------------------------------------------------------------------------| -| cmdstat_set | 无 | set命令的统计信息，calls: 累计调用该命令的次数；usec: 调用该命令的累计耗时,单位微秒；usec_per_call: 调用该命令的平均耗时；rejected_call: 拒绝执行的次数；failed_calls: 调用失败的次数 | -| cmdstat_get | 无 | get命令的统计信息 | -| cmdstat_setnx | 无 | setnx命令的统计信息 | -| cmdstat_hset | 无 | hset命令的统计信息 | -| cmdstat_hget | 无 | hget命令的统计信息 | -| cmdstat_lpush | 无 | lpush命令的统计信息 | -| cmdstat_rpush | 无 | rpush命令的统计信息 | -| cmdstat_lpop | 无 | lpop命令的统计信息 | -| cmdstat_rpop | 无 | rpop命令的统计信息 | -| cmdstat_llen | 无 | llen命令的统计信息 | +| cmdstat_set | none | set command stat | +| cmdstat_get | none | get command stat | +| cmdstat_setnx | none | setnx command stat | +| cmdstat_hset | none | hset command stat | +| cmdstat_hget | none | hget command stat | +| cmdstat_lpush | none | lpush command stat | +| cmdstat_rpush | none | rpush command stat | +| cmdstat_lpop | none | lpop command stat | +| cmdstat_rpop | none | rpop command stat | +| cmdstat_llen | none | llen command stat |