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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
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