diff options
Diffstat (limited to '')
| -rw-r--r-- | health/health.d/cgroups.conf | 70 | ||||
| -rw-r--r-- | health/health.d/go.d.plugin.conf | 2 | ||||
| -rw-r--r-- | health/health.d/ml.conf | 36 | ||||
| -rw-r--r-- | health/health.d/python.d.plugin.conf | 2 | ||||
| -rw-r--r-- | health/health.d/ram.conf | 6 | ||||
| -rw-r--r-- | health/health.d/redis.conf | 7 | ||||
| -rw-r--r-- | health/health.d/web_log.conf | 214 |
7 files changed, 115 insertions, 222 deletions
diff --git a/health/health.d/cgroups.conf b/health/health.d/cgroups.conf index aa416c795..4bfe38b65 100644 --- a/health/health.d/cgroups.conf +++ b/health/health.d/cgroups.conf @@ -69,3 +69,73 @@ component: Network info: ratio of average number of received packets for the network interface $family over the last 10 seconds, \ compared to the rate over the last minute to: sysadmin + +# ---------------------------------K8s containers-------------------------------------------- + + template: k8s_cgroup_10min_cpu_usage + on: k8s.cgroup.cpu_limit + class: Utilization + type: Cgroups +component: CPU + os: linux + hosts: * + lookup: average -10m unaligned + units: % + every: 1m + warn: $this > (($status >= $WARNING) ? (75) : (85)) + crit: $this > (($status == $CRITICAL) ? (85) : (95)) + delay: down 15m multiplier 1.5 max 1h + info: average cgroup CPU utilization over the last 10 minutes + to: sysadmin + + template: k8s_cgroup_ram_in_use + on: k8s.cgroup.mem_usage + class: Utilization + type: Cgroups +component: Memory + os: linux + hosts: * + calc: ($ram) * 100 / $memory_limit + units: % + every: 10s + warn: $this > (($status >= $WARNING) ? (80) : (90)) + crit: $this > (($status == $CRITICAL) ? (90) : (98)) + delay: down 15m multiplier 1.5 max 1h + info: cgroup memory utilization + to: sysadmin + +# check for packet storms + +# 1. calculate the rate packets are received in 1m: 1m_received_packets_rate +# 2. do the same for the last 10s +# 3. raise an alarm if the later is 10x or 20x the first +# we assume the minimum packet storm should at least have +# 10000 packets/s, average of the last 10 seconds + + template: k8s_cgroup_1m_received_packets_rate + on: k8s.cgroup.net_packets + class: Workload + type: Cgroups +component: Network + hosts: * + lookup: average -1m unaligned of received + units: packets + every: 10s + info: average number of packets received by the network interface $family over the last minute + + template: k8s_cgroup_10s_received_packets_storm + on: k8s.cgroup.net_packets + class: Workload + type: Cgroups +component: Network + hosts: * + lookup: average -10s unaligned of received + calc: $this * 100 / (($k8s_cgroup_10s_received_packets_storm < 1000)?(1000):($k8s_cgroup_10s_received_packets_storm)) + every: 10s + units: % + warn: $this > (($status >= $WARNING)?(200):(5000)) + crit: $this > (($status == $CRITICAL)?(5000):(6000)) + options: no-clear-notification + info: ratio of average number of received packets for the network interface $family over the last 10 seconds, \ + compared to the rate over the last minute + to: sysadmin diff --git a/health/health.d/go.d.plugin.conf b/health/health.d/go.d.plugin.conf index 8bf84a976..a84ab342f 100644 --- a/health/health.d/go.d.plugin.conf +++ b/health/health.d/go.d.plugin.conf @@ -6,7 +6,7 @@ class: Error type: Netdata component: go.d.plugin - module: * + module: !* * calc: $now - $last_collected_t units: seconds ago every: 10s diff --git a/health/health.d/ml.conf b/health/health.d/ml.conf new file mode 100644 index 000000000..9bcc81e76 --- /dev/null +++ b/health/health.d/ml.conf @@ -0,0 +1,36 @@ +# below are some examples of using the `anomaly-bit` option to define alerts based on anomaly +# rates as opposed to raw metric values. You can read more about the anomaly-bit and Netdata's +# native anomaly detection here: +# https://learn.netdata.cloud/docs/configure/machine-learning#anomaly-bit---100--anomalous-0--normal + +# examples below are commented, you would need to uncomment and adjust as desired to enable them. + +# alert per dimension example +# if anomaly rate is between 5-20% then warning (pick your own threshold that works best via tial and error). +# if anomaly rate is above 20% then critical (pick your own threshold that works best via tial and error). +# template: ml_5min_cpu_dims +# on: system.cpu +# os: linux +# hosts: * +# lookup: average -5m anomaly-bit foreach * +# calc: $this +# units: % +# every: 30s +# warn: $this > (($status >= $WARNING) ? (5) : (20)) +# crit: $this > (($status == $CRITICAL) ? (20) : (100)) +# info: rolling 5min anomaly rate for each system.cpu dimension + +# alert per chart example +# if anomaly rate is between 5-20% then warning (pick your own threshold that works best via tial and error). +# if anomaly rate is above 20% then critical (pick your own threshold that works best via tial and error). +# template: ml_5min_cpu_chart +# on: system.cpu +# os: linux +# hosts: * +# lookup: average -5m anomaly-bit of * +# calc: $this +# units: % +# every: 30s +# warn: $this > (($status >= $WARNING) ? (5) : (20)) +# crit: $this > (($status == $CRITICAL) ? (20) : (100)) +# info: rolling 5min anomaly rate for system.cpu chart
\ No newline at end of file diff --git a/health/health.d/python.d.plugin.conf b/health/health.d/python.d.plugin.conf index f3abc588f..e3b3d11cf 100644 --- a/health/health.d/python.d.plugin.conf +++ b/health/health.d/python.d.plugin.conf @@ -6,7 +6,7 @@ class: Error type: Netdata component: python.d.plugin - module: * + module: !* * calc: $now - $last_collected_t units: seconds ago every: 10s diff --git a/health/health.d/ram.conf b/health/health.d/ram.conf index ff5f3ac17..ab382c43b 100644 --- a/health/health.d/ram.conf +++ b/health/health.d/ram.conf @@ -54,7 +54,7 @@ host labels: _is_k8s_node = false component: Memory os: freebsd hosts: * - calc: ($active + $wired + $laundry + $buffers) * 100 / ($active + $wired + $laundry + $buffers - $used_ram_to_ignore + $cache + $free + $inactive) + calc: ($active + $wired + $laundry + $buffers) * 100 / ($active + $wired + $laundry + $buffers + $cache + $free + $inactive) units: % every: 10s warn: $this > (($status >= $WARNING) ? (80) : (90)) @@ -64,13 +64,13 @@ component: Memory to: sysadmin alarm: ram_available - on: system.ram + on: mem.available class: Utilization type: System component: Memory os: freebsd hosts: * - calc: ($free + $inactive + $cache) * 100 / ($free + $active + $inactive + $wired + $cache + $laundry + $buffers) + calc: $avail * 100 / ($system.ram.free + $system.ram.active + $system.ram.inactive + $system.ram.wired + $system.ram.cache + $system.ram.laundry + $system.ram.buffers) units: % every: 10s warn: $this < (($status >= $WARNING) ? (15) : (10)) diff --git a/health/health.d/redis.conf b/health/health.d/redis.conf index dfb771e8c..cad5230c5 100644 --- a/health/health.d/redis.conf +++ b/health/health.d/redis.conf @@ -6,7 +6,7 @@ type: KV Storage component: Redis every: 10s - crit: $rdb_last_bgsave_status != 0 + crit: $last_bgsave != nan AND $last_bgsave != 0 units: ok/failed info: status of the last RDB save operation (0: ok, 1: error) delay: down 5m multiplier 1.5 max 1h @@ -19,8 +19,9 @@ component: Redis type: KV Storage component: Redis every: 10s - warn: $rdb_bgsave_in_progress > 600 - crit: $rdb_bgsave_in_progress > 1200 + calc: $current_bgsave_time + warn: $this > 600 + crit: $this > 1200 units: seconds info: duration of the on-going RDB save operation delay: down 5m multiplier 1.5 max 1h diff --git a/health/health.d/web_log.conf b/health/health.d/web_log.conf index 454e0abef..c33c4664c 100644 --- a/health/health.d/web_log.conf +++ b/health/health.d/web_log.conf @@ -1,218 +1,4 @@ -# ----------------------------------------------------------------------------- -# high level response code alarms - -# the following alarms trigger only when there are enough data. -# we assume there are enough data when: -# -# $1m_requests > 120 -# -# i.e. when there are at least 120 requests during the last minute - - template: 1m_requests - on: web_log.response_statuses - class: Workload - type: Web Server -component: Web log - families: * - lookup: sum -1m unaligned - calc: ($this == 0)?(1):($this) - units: requests - every: 10s - info: number of HTTP requests in the last minute - - template: 1m_successful - on: web_log.response_statuses - class: Workload - type: Web Server -component: Web log - families: * - lookup: sum -1m unaligned of successful_requests - calc: $this * 100 / $1m_requests - units: % - every: 10s - warn: ($1m_requests > 120) ? ($this < (($status >= $WARNING ) ? ( 95 ) : ( 85 )) ) : ( 0 ) - crit: ($1m_requests > 120) ? ($this < (($status == $CRITICAL) ? ( 85 ) : ( 75 )) ) : ( 0 ) - delay: up 2m down 15m multiplier 1.5 max 1h - info: ratio of successful HTTP requests over the last minute (1xx, 2xx, 304, 401) - to: webmaster - - template: 1m_redirects - on: web_log.response_statuses - class: Workload - type: Web Server -component: Web log - families: * - lookup: sum -1m unaligned of redirects - calc: $this * 100 / $1m_requests - units: % - every: 10s - warn: ($1m_requests > 120) ? ($this > (($status >= $WARNING ) ? ( 1 ) : ( 20 )) ) : ( 0 ) - delay: up 2m down 15m multiplier 1.5 max 1h - info: ratio of redirection HTTP requests over the last minute (3xx except 304) - to: webmaster - - template: 1m_bad_requests - on: web_log.response_statuses - class: Errors - type: Web Server -component: Web log - families: * - lookup: sum -1m unaligned of bad_requests - calc: $this * 100 / $1m_requests - units: % - every: 10s - warn: ($1m_requests > 120) ? ($this > (($status >= $WARNING) ? ( 10 ) : ( 30 )) ) : ( 0 ) - delay: up 2m down 15m multiplier 1.5 max 1h - info: ratio of client error HTTP requests over the last minute (4xx except 401) - to: webmaster - - template: 1m_internal_errors - on: web_log.response_statuses - class: Errors - type: Web Server -component: Web log - families: * - lookup: sum -1m unaligned of server_errors - calc: $this * 100 / $1m_requests - units: % - every: 10s - warn: ($1m_requests > 120) ? ($this > (($status >= $WARNING) ? ( 1 ) : ( 2 )) ) : ( 0 ) - crit: ($1m_requests > 120) ? ($this > (($status == $CRITICAL) ? ( 2 ) : ( 5 )) ) : ( 0 ) - delay: up 2m down 15m multiplier 1.5 max 1h - info: ratio of server error HTTP requests over the last minute (5xx) - to: webmaster - -# unmatched lines - -# the following alarms trigger only when there are enough data. -# we assume there are enough data when: -# -# $1m_total_requests > 120 -# -# i.e. when there are at least 120 requests during the last minute - - template: 1m_total_requests - on: web_log.response_codes - class: Workload - type: Web Server -component: Web log - families: * - lookup: sum -1m unaligned - calc: ($this == 0)?(1):($this) - units: requests - every: 10s - info: number of HTTP requests over the last minute - - template: 1m_unmatched - on: web_log.response_codes - class: Errors - type: Web Server -component: Web log - families: * - lookup: sum -1m unaligned of unmatched - calc: $this * 100 / $1m_total_requests - units: % - every: 10s - warn: ($1m_total_requests > 120) ? ($this > 1) : ( 0 ) - delay: up 1m down 5m multiplier 1.5 max 1h - info: percentage of unparsed log lines over the last minute - to: webmaster - -# ----------------------------------------------------------------------------- -# web slow - -# the following alarms trigger only when there are enough data. -# we assume there are enough data when: -# -# $1m_requests > 120 -# -# i.e. when there are at least 120 requests during the last minute - - template: 10m_response_time - on: web_log.response_time - class: Latency - type: System -component: Web log - families: * - lookup: average -10m unaligned of avg - units: ms - every: 30s - info: average HTTP response time over the last 10 minutes - - template: web_slow - on: web_log.response_time - class: Latency - type: Web Server -component: Web log - families: * - lookup: average -1m unaligned of avg - units: ms - every: 10s - green: 500 - red: 1000 - warn: ($1m_requests > 120) ? ($this > $green && $this > ($10m_response_time * 2) ) : ( 0 ) - crit: ($1m_requests > 120) ? ($this > $red && $this > ($10m_response_time * 4) ) : ( 0 ) - delay: down 15m multiplier 1.5 max 1h - info: average HTTP response time over the last minute - options: no-clear-notification - to: webmaster - -# ----------------------------------------------------------------------------- -# web too many or too few requests - -# the following alarms trigger only when there are enough data. -# we assume there are enough data when: -# -# $5m_successful_old > 120 -# -# i.e. when there were at least 120 requests during the 5 minutes starting -# at -10m and ending at -5m - - template: 5m_successful_old - on: web_log.response_statuses - class: Workload - type: Web Server -component: Web log - families: * - lookup: average -5m at -5m unaligned of successful_requests - units: requests/s - every: 30s - info: average number of successful HTTP requests for the 5 minutes starting 10 minutes ago - - template: 5m_successful - on: web_log.response_statuses - class: Workload - type: Web Server -component: Web log - families: * - lookup: average -5m unaligned of successful_requests - units: requests/s - every: 30s - info: average number of successful HTTP requests over the last 5 minutes - - template: 5m_requests_ratio - on: web_log.response_codes - class: Workload - type: Web Server -component: Web log - families: * - calc: ($5m_successful_old > 0)?($5m_successful * 100 / $5m_successful_old):(100) - units: % - every: 30s - warn: ($5m_successful_old > 120) ? ($this > 200 OR $this < 50) : (0) - crit: ($5m_successful_old > 120) ? ($this > 400 OR $this < 25) : (0) - delay: down 15m multiplier 1.5 max 1h - options: no-clear-notification - info: ratio of successful HTTP requests over the last 5 minutes, \ - compared with the previous 5 minutes \ - (clear notification for this alarm will not be sent) - to: webmaster - - - -# ---------------------------------------------------GO-VERSION--------------------------------------------------------- - # unmatched lines # the following alarms trigger only when there are enough data. |