Supported Technologies¶

NthLayer includes pre-built monitoring templates for 18 technologies.

Overview¶

Category	Technologies
Databases	PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch
Message Queues	Kafka, RabbitMQ, NATS, Pulsar
Proxies/Load Balancers	Nginx, HAProxy, Traefik
Infrastructure	Kubernetes, etcd, Consul

Databases¶

PostgreSQL¶

dependencies:
  - postgresql

Generated Panels:

Panel	Metric
Active Connections	`pg_stat_activity_count`
Replication Lag	`pg_replication_lag`
Transactions/sec	`pg_stat_database_xact_commit`
Cache Hit Ratio	`pg_stat_database_blks_hit`
Dead Tuples	`pg_stat_user_tables_n_dead_tup`

Alerts:

High connection count (> 80% of max)
Replication lag > 30s
Low cache hit ratio (< 90%)

MySQL / MariaDB¶

dependencies:
  - mysql
  # or
  - mariadb

Generated Panels:

Panel	Metric
Connections	`mysql_global_status_threads_connected`
Queries/sec	`mysql_global_status_queries`
Slow Queries	`mysql_global_status_slow_queries`
Replication Lag	`mysql_slave_status_seconds_behind_master`

MongoDB¶

dependencies:
  - mongodb

Generated Panels:

Panel	Metric
Connections	`mongodb_connections`
Operations/sec	`mongodb_op_counters_total`
Replication Lag	`mongodb_replset_member_replication_lag`
Document Operations	`mongodb_mongod_metrics_document_total`

Redis¶

dependencies:
  - redis

Generated Panels:

Panel	Metric
Memory Usage	`redis_memory_used_bytes`
Connected Clients	`redis_connected_clients`
Hit Rate	`redis_keyspace_hits_total / (hits + misses)`
Commands/sec	`redis_commands_processed_total`
Evictions	`redis_evicted_keys_total`

Elasticsearch¶

dependencies:
  - elasticsearch

Generated Panels:

Panel	Metric
Cluster Health	`elasticsearch_cluster_health_status`
JVM Heap	`elasticsearch_jvm_memory_used_bytes`
Indexing Rate	`elasticsearch_indices_indexing_index_total`
Search Rate	`elasticsearch_indices_search_query_total`
Pending Tasks	`elasticsearch_cluster_health_number_of_pending_tasks`

Message Queues¶

Kafka¶

dependencies:
  - kafka

Generated Panels:

Panel	Metric
Consumer Lag	`kafka_consumer_group_lag`
Messages/sec	`kafka_server_brokertopicmetrics_messagesin_total`
Partitions	`kafka_topic_partitions`
Under-replicated	`kafka_server_replicamanager_underreplicatedpartitions`

Alerts:

Consumer lag > 10,000 messages
Under-replicated partitions > 0

RabbitMQ¶

dependencies:
  - rabbitmq
  # or
  - rabbit

Generated Panels:

Panel	Metric
Queue Messages	`rabbitmq_queue_messages`
Consumers	`rabbitmq_queue_consumers`
Publish Rate	`rabbitmq_channel_messages_published_total`
Connections	`rabbitmq_connections`
Memory	`rabbitmq_node_mem_used`

NATS¶

dependencies:
  - nats

Generated Panels:

Panel	Metric
Connections	`nats_connections`
Messages In/Out	`nats_messages_total`
Bytes In/Out	`nats_bytes_total`
Subscriptions	`nats_subscriptions`
Slow Consumers	`nats_slow_consumers`

Pulsar¶

dependencies:
  - pulsar

Generated Panels:

Panel	Metric
Throughput In	`pulsar_throughput_in`
Throughput Out	`pulsar_throughput_out`
Message Backlog	`pulsar_msg_backlog`
Subscriptions	`pulsar_subscriptions_count`
Storage Size	`pulsar_storage_size`

Proxies / Load Balancers¶

Nginx¶

dependencies:
  - nginx

Generated Panels:

Panel	Metric
Requests/sec	`nginx_http_requests_total`
Active Connections	`nginx_connections_active`
Response Codes	`nginx_http_requests_total` by status
Request Duration	`nginx_http_request_duration_seconds`
Upstream Response Time	`nginx_upstream_response_time`

HAProxy¶

dependencies:
  - haproxy

Generated Panels:

Panel	Metric
Request Rate	`haproxy_frontend_http_requests_total`
Active Connections	`haproxy_frontend_current_sessions`
Response Time	`haproxy_backend_response_time_average_seconds`
Backend Status	`haproxy_backend_up`
Error Rate	`haproxy_backend_http_responses_total{code="5xx"}`
Queue Length	`haproxy_backend_current_queue`

Traefik¶

dependencies:
  - traefik

Generated Panels:

Panel	Metric
Requests/sec	`traefik_service_requests_total`
Request Duration	`traefik_service_request_duration_seconds`
Response Codes	`traefik_service_requests_total` by code
Open Connections	`traefik_service_open_connections`
Entrypoint Requests	`traefik_entrypoint_requests_total`

Infrastructure¶

Kubernetes¶

dependencies:
  - kubernetes

Generated Panels:

Panel	Metric
Pod Status	`kube_pod_status_phase`
Container Restarts	`kube_pod_container_status_restarts_total`
CPU Usage	`container_cpu_usage_seconds_total`
Memory Usage	`container_memory_usage_bytes`
PVC Usage	`kubelet_volume_stats_used_bytes`

etcd¶

dependencies:
  - etcd

Generated Panels:

Panel	Metric
Leader Status	`etcd_server_has_leader`
DB Size	`etcd_mvcc_db_total_size_in_bytes`
Proposals	`etcd_server_proposals_committed_total`
WAL Fsync	`etcd_disk_wal_fsync_duration_seconds`
Network Peer RTT	`etcd_network_peer_round_trip_time_seconds`

Consul¶

dependencies:
  - consul

Generated Panels:

Panel	Metric
Leader	`consul_raft_leader`
Peers	`consul_raft_peers`
Services	`consul_catalog_services`
Health Checks	`consul_health_checks_critical`
RPC Rate	`consul_rpc_request`

Adding Custom Technologies¶

See Service Specifications for extending with your own configurations.