150 lines
5.6 KiB
Markdown
150 lines
5.6 KiB
Markdown
# Telegraf Plugin: Redis
|
|
|
|
### Configuration:
|
|
|
|
```
|
|
# Read Redis's basic status information
|
|
[[inputs.redis]]
|
|
## specify servers via a url matching:
|
|
## [protocol://][:password]@address[:port]
|
|
## e.g.
|
|
## tcp://localhost:6379
|
|
## tcp://:password@192.168.99.100
|
|
##
|
|
## If no servers are specified, then localhost is used as the host.
|
|
## If no port is specified, 6379 is used
|
|
servers = ["tcp://localhost:6379"]
|
|
```
|
|
|
|
### Measurements & Fields:
|
|
|
|
The plugin gathers the results of the [INFO](https://redis.io/commands/info) redis command.
|
|
There are two separate measurements: _redis_ and _redis\_keyspace_, the latter is used for gathering database related statistics.
|
|
|
|
Additionally the plugin also calculates the hit/miss ratio (keyspace\_hitrate) and the elapsed time since the last rdb save (rdb\_last\_save\_time\_elapsed).
|
|
|
|
- redis
|
|
- keyspace_hitrate(float, number)
|
|
- rdb_last_save_time_elapsed(int, seconds)
|
|
|
|
**Server**
|
|
- uptime(int, seconds)
|
|
- lru_clock(int, number)
|
|
|
|
**Clients**
|
|
- clients(int, number)
|
|
- client_longest_output_list(int, number)
|
|
- client_biggest_input_buf(int, number)
|
|
- blocked_clients(int, number)
|
|
|
|
**Memory**
|
|
- used_memory(int, bytes)
|
|
- used_memory_rss(int, bytes)
|
|
- used_memory_peak(int, bytes)
|
|
- total_system_memory(int, bytes)
|
|
- used_memory_lua(int, bytes)
|
|
- maxmemory(int, bytes)
|
|
- maxmemory_policy(string)
|
|
- mem_fragmentation_ratio(float, number)
|
|
|
|
**Persistance**
|
|
- loading(int,flag)
|
|
- rdb_changes_since_last_save(int, number)
|
|
- rdb_bgsave_in_progress(int, flag)
|
|
- rdb_last_save_time(int, seconds)
|
|
- rdb_last_bgsave_status(string)
|
|
- rdb_last_bgsave_time_sec(int, seconds)
|
|
- rdb_current_bgsave_time_sec(int, seconds)
|
|
- aof_enabled(int, flag)
|
|
- aof_rewrite_in_progress(int, flag)
|
|
- aof_rewrite_scheduled(int, flag)
|
|
- aof_last_rewrite_time_sec(int, seconds)
|
|
- aof_current_rewrite_time_sec(int, seconds)
|
|
- aof_last_bgrewrite_status(string)
|
|
- aof_last_write_status(string)
|
|
|
|
**Stats**
|
|
- total_connections_received(int, number)
|
|
- total_commands_processed(int, number)
|
|
- instantaneous_ops_per_sec(int, number)
|
|
- total_net_input_bytes(int, bytes)
|
|
- total_net_output_bytes(int, bytes)
|
|
- instantaneous_input_kbps(float, bytes)
|
|
- instantaneous_output_kbps(float, bytes)
|
|
- rejected_connections(int, number)
|
|
- sync_full(int, number)
|
|
- sync_partial_ok(int, number)
|
|
- sync_partial_err(int, number)
|
|
- expired_keys(int, number)
|
|
- evicted_keys(int, number)
|
|
- keyspace_hits(int, number)
|
|
- keyspace_misses(int, number)
|
|
- pubsub_channels(int, number)
|
|
- pubsub_patterns(int, number)
|
|
- latest_fork_usec(int, microseconds)
|
|
- migrate_cached_sockets(int, number)
|
|
|
|
**Replication**
|
|
- connected_slaves(int, number)
|
|
- master_repl_offset(int, number)
|
|
- repl_backlog_active(int, number)
|
|
- repl_backlog_size(int, bytes)
|
|
- repl_backlog_first_byte_offset(int, number)
|
|
- repl_backlog_histlen(int, bytes)
|
|
|
|
**CPU**
|
|
- used_cpu_sys(float, number)
|
|
- used_cpu_user(float, number)
|
|
- used_cpu_sys_children(float, number)
|
|
- used_cpu_user_children(float, number)
|
|
|
|
**Cluster**
|
|
- cluster_enabled(int, flag)
|
|
|
|
- redis_keyspace
|
|
- keys(int, number)
|
|
- expires(int, number)
|
|
- avg_ttl(int, number)
|
|
|
|
### Tags:
|
|
|
|
- All measurements have the following tags:
|
|
- port
|
|
- server
|
|
- replication_role
|
|
|
|
- The redis_keyspace measurement has an additional database tag:
|
|
- database
|
|
|
|
### Example Output:
|
|
|
|
Using this configuration:
|
|
```
|
|
[[inputs.redis]]
|
|
## specify servers via a url matching:
|
|
## [protocol://][:password]@address[:port]
|
|
## e.g.
|
|
## tcp://localhost:6379
|
|
## tcp://:password@192.168.99.100
|
|
##
|
|
## If no servers are specified, then localhost is used as the host.
|
|
## If no port is specified, 6379 is used
|
|
servers = ["tcp://localhost:6379"]
|
|
```
|
|
|
|
When run with:
|
|
```
|
|
./telegraf --config telegraf.conf --input-filter redis --test
|
|
```
|
|
|
|
It produces:
|
|
```
|
|
* Plugin: redis, Collection 1
|
|
> redis,server=localhost,port=6379,replication_role=master,host=host keyspace_hitrate=1,clients=2i,blocked_clients=0i,instantaneous_input_kbps=0,sync_full=0i,pubsub_channels=0i,pubsub_patterns=0i,total_net_output_bytes=6659253i,used_memory=842448i,total_system_memory=8351916032i,aof_current_rewrite_time_sec=-1i,rdb_changes_since_last_save=0i,sync_partial_err=0i,latest_fork_usec=508i,instantaneous_output_kbps=0,expired_keys=0i,used_memory_peak=843416i,aof_rewrite_in_progress=0i,aof_last_bgrewrite_status="ok",migrate_cached_sockets=0i,connected_slaves=0i,maxmemory_policy="noeviction",aof_rewrite_scheduled=0i,total_net_input_bytes=3125i,used_memory_rss=9564160i,repl_backlog_histlen=0i,rdb_last_bgsave_status="ok",aof_last_rewrite_time_sec=-1i,keyspace_misses=0i,client_biggest_input_buf=5i,used_cpu_user=1.33,maxmemory=0i,rdb_current_bgsave_time_sec=-1i,total_commands_processed=271i,repl_backlog_size=1048576i,used_cpu_sys=3,uptime=2822i,lru_clock=16706281i,used_memory_lua=37888i,rejected_connections=0i,sync_partial_ok=0i,evicted_keys=0i,rdb_last_save_time_elapsed=1922i,rdb_last_save_time=1493099368i,instantaneous_ops_per_sec=0i,used_cpu_user_children=0,client_longest_output_list=0i,master_repl_offset=0i,repl_backlog_active=0i,keyspace_hits=2i,used_cpu_sys_children=0,cluster_enabled=0i,rdb_last_bgsave_time_sec=0i,aof_last_write_status="ok",total_connections_received=263i,aof_enabled=0i,repl_backlog_first_byte_offset=0i,mem_fragmentation_ratio=11.35,loading=0i,rdb_bgsave_in_progress=0i 1493101290000000000
|
|
```
|
|
|
|
redis_keyspace:
|
|
```
|
|
> redis_keyspace,database=db1,host=host,server=localhost,port=6379,replication_role=master keys=1i,expires=0i,avg_ttl=0i 1493101350000000000
|
|
```
|