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-
-# Warn if a list keys operation is running.
- template: riakkv_list_keys_active
- on: riak.core.fsm_active
- class: Utilization
- type: Database
-component: Riak KV
- calc: $list_fsm_active
- units: state machines
- every: 10s
- warn: $list_fsm_active > 0
- summary: Riak KV active list keys
- info: Number of currently running list keys finite state machines
- to: dba
-
-
-## Timing healthchecks
-# KV GET
- template: riakkv_1h_kv_get_mean_latency
- on: riak.kv.latency.get
- class: Latency
- type: Database
-component: Riak KV
- calc: $node_get_fsm_time_mean
- lookup: average -1h unaligned of time
- every: 30s
- units: ms
- info: average time between reception of client GET request and \
- subsequent response to client over the last hour
-
- template: riakkv_kv_get_slow
- on: riak.kv.latency.get
- class: Latency
- type: Database
-component: Riak KV
- calc: $mean
- lookup: average -3m unaligned of time
- units: ms
- every: 10s
- warn: ($this > ($riakkv_1h_kv_get_mean_latency * 2) )
- crit: ($this > ($riakkv_1h_kv_get_mean_latency * 3) )
- summary: Riak KV GET latency
- info: Average time between reception of client GET request and \
- subsequent response to the client over the last 3 minutes, \
- compared to the average over the last hour
- delay: down 5m multiplier 1.5 max 1h
- to: dba
-
-# KV PUT
- template: riakkv_1h_kv_put_mean_latency
- on: riak.kv.latency.put
- class: Latency
- type: Database
-component: Riak KV
- calc: $node_put_fsm_time_mean
- lookup: average -1h unaligned of time
- every: 30s
- units: ms
- summary: Riak KV PUT mean latency
- info: Average time between reception of client PUT request and \
- subsequent response to the client over the last hour
-
- template: riakkv_kv_put_slow
- on: riak.kv.latency.put
- class: Latency
- type: Database
-component: Riak KV
- calc: $mean
- lookup: average -3m unaligned of time
- units: ms
- every: 10s
- warn: ($this > ($riakkv_1h_kv_put_mean_latency * 2) )
- crit: ($this > ($riakkv_1h_kv_put_mean_latency * 3) )
- summary: Riak KV PUT latency
- info: Average time between reception of client PUT request and \
- subsequent response to the client over the last 3 minutes, \
- compared to the average over the last hour
- delay: down 5m multiplier 1.5 max 1h
- to: dba
-
-
-## VM healthchecks
-
-# Default Erlang VM process limit: 262144
-# On systems observed, this is < 2000, but may grow depending on load.
- template: riakkv_vm_high_process_count
- on: riak.vm
- class: Utilization
- type: Database
-component: Riak KV
- calc: $sys_process_count
- units: processes
- every: 10s
- warn: $this > 10000
- crit: $this > 100000
- summary: Riak KV number of processes
- info: Number of processes running in the Erlang VM
- to: dba