diff --git a/_data/rules.yml b/_data/rules.yml index 649f746..cbee2db 100644 --- a/_data/rules.yml +++ b/_data/rules.yml @@ -1445,6 +1445,103 @@ groups: severity: critical for: 2m + - name: CouchDB + exporters: + - name: gesellix/couchdb-prometheus-exporter + slug: gesellix-couchdb-prometheus-exporter + doc_url: https://github.com/gesellix/couchdb-prometheus-exporter + rules: + - name: CouchDB node down + description: CouchDB node is not responding (node_up metric is 0) for more than 2 minutes + query: "couchdb_httpd_node_up == 0 or couchdb_httpd_up == 0" + severity: critical + for: 2m + - name: CouchDB atom memory usage critical + description: Atom memory usage is above 90% of limit + query: "couchdb_erlang_memory_atom_used > 0.9 * couchdb_erlang_memory_atom" + severity: critical + for: 5m + - name: CouchDB open databases critical + description: Number of open databases exceeds 90% of node capacity + query: "couchdb_httpd_open_databases > 0.9 * 1000" + severity: critical + for: 5m + - name: CouchDB open OS files critical + description: CouchDB is using more than 90% of allowed OS file descriptors, may fail to open new files + query: "couchdb_httpd_open_os_files > 0.9 * 65535" + severity: critical + for: 5m + - name: CouchDB 5xx error ratio high + description: More than 5% of HTTP requests are returning 5xx errors + query: "rate(couchdb_httpd_status_codes{code=~\"5..\"}[5m]) / rate(couchdb_httpd_requests[5m]) > 0.05" + severity: critical + for: 5m + - name: CouchDB temporary view read rate critical + description: Temporary view read rate exceeds 100 reads/sec, high risk of performance degradation + query: "rate(couchdb_httpd_temporary_view_reads[5m]) > 100" + severity: critical + for: 5m + - name: CouchDB Mango queries scanning too many docs + description: Some Mango queries are scanning too many documents, consider adding indexes + query: "rate(couchdb_mango_too_many_docs_scanned[5m]) > 50" + severity: warning + for: 5m + - name: CouchDB Mango queries failed due to invalid index + description: Some Mango queries failed to execute because the index was missing or invalid + query: "rate(couchdb_mango_query_invalid_index[5m]) > 5" + severity: warning + for: 5m + - name: CouchDB Mango docs examined high + description: High number of documents examined per Mango queries, consider indexing + query: "rate(couchdb_mango_docs_examined[5m]) > 1000" + severity: warning + for: 5m + - name: CouchDB Replicator manager died + description: Replication manager process has crashed + query: "increase(couchdb_replicator_changes_manager_deaths[5m]) > 0" + severity: critical + for: 1m + - name: CouchDB Replicator queue process died + description: Replication queue process has crashed + query: "increase(couchdb_replicator_changes_queue_deaths[5m]) > 0" + severity: critical + for: 1m + - name: CouchDB Replicator reader process died + description: Replication reader process has crashed + query: "increase(couchdb_replicator_changes_reader_deaths[5m]) > 0" + severity: critical + for: 1m + - name: CouchDB Replicator failed to start + description: One or more replication tasks failed to start + query: "increase(couchdb_replicator_failed_starts[5m]) > 0" + severity: critical + for: 1m + - name: CouchDB replication cluster unstable + description: The replication cluster is unstable, replication may be interrupted + query: "couchdb_replicator_cluster_is_stable == 0" + severity: critical + for: 2m + - name: CouchDB replication read failures + description: Replication changes feed has failed reads more than 5 times in 5 minutes + query: "increase(couchdb_replicator_changes_read_failures[5m]) > 5" + severity: warning + for: 5m + - name: CouchDB file descriptors high + description: Process is using more than 85% of allowed file descriptors + query: "process_open_fds / process_max_fds > 0.85" + severity: warning + for: 5m + - name: CouchDB process restarted + description: CouchDB process has restarted recently + query: "changes(process_start_time_seconds[1h]) > 0" + severity: critical + for: 1m + - name: CouchDB critical log entries + description: Critical or error log entries detected in the last 5 minutes + query: "increase(couchdb_server_couch_log{level=~\"error|critical\"}[5m]) > 0" + severity: critical + for: 1m + - name: Zookeeper exporters: - name: cloudflare/kafka_zookeeper_exporter diff --git a/dist/rules/clickhouse/embedded-exporter.yml b/dist/rules/clickhouse/embedded-exporter.yml index a4cd2a7..139597f 100644 --- a/dist/rules/clickhouse/embedded-exporter.yml +++ b/dist/rules/clickhouse/embedded-exporter.yml @@ -1,185 +1,2 @@ -groups: -- name: EmbeddedExporter - rules: - - - alert: ClickhouseNodeDown - expr: 'up{job="clickhouse"} == 0' - for: 2m - labels: - severity: critical - annotations: - summary: ClickHouse node down (instance {{ $labels.instance }}) - description: "No metrics received from ClickHouse exporter for over 2 minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseMemoryUsageCritical - expr: 'ClickHouseAsyncMetrics_CGroupMemoryUsed / ClickHouseAsyncMetrics_CGroupMemoryTotal * 100 > 90' - for: 5m - labels: - severity: critical - annotations: - summary: ClickHouse Memory Usage Critical (instance {{ $labels.instance }}) - description: "Memory usage is critically high, over 90%.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseMemoryUsageWarning - expr: 'ClickHouseAsyncMetrics_CGroupMemoryUsed / ClickHouseAsyncMetrics_CGroupMemoryTotal * 100 > 80' - for: 5m - labels: - severity: warning - annotations: - summary: ClickHouse Memory Usage Warning (instance {{ $labels.instance }}) - description: "Memory usage is over 80%.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseDiskSpaceLowOnDefault - expr: 'ClickHouseAsyncMetrics_DiskAvailable_default / (ClickHouseAsyncMetrics_DiskAvailable_default + ClickHouseAsyncMetrics_DiskUsed_default) * 100 < 20' - for: 2m - labels: - severity: warning - annotations: - summary: ClickHouse Disk Space Low on Default (instance {{ $labels.instance }}) - description: "Disk space on default is below 20%.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseDiskSpaceCriticalOnDefault - expr: 'ClickHouseAsyncMetrics_DiskAvailable_default / (ClickHouseAsyncMetrics_DiskAvailable_default + ClickHouseAsyncMetrics_DiskUsed_default) * 100 < 10' - for: 2m - labels: - severity: critical - annotations: - summary: ClickHouse Disk Space Critical on Default (instance {{ $labels.instance }}) - description: "Disk space on default disk is critically low, below 10%.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseDiskSpaceLowOnBackups - expr: 'ClickHouseAsyncMetrics_DiskAvailable_backups / (ClickHouseAsyncMetrics_DiskAvailable_backups + ClickHouseAsyncMetrics_DiskUsed_backups) * 100 < 20' - for: 2m - labels: - severity: warning - annotations: - summary: ClickHouse Disk Space Low on Backups (instance {{ $labels.instance }}) - description: "Disk space on backups is below 20%.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseReplicaErrors - expr: 'ClickHouseErrorMetric_ALL_REPLICAS_ARE_STALE == 1 or ClickHouseErrorMetric_ALL_REPLICAS_LOST == 1' - for: 0m - labels: - severity: critical - annotations: - summary: ClickHouse Replica Errors (instance {{ $labels.instance }}) - description: "Critical replica errors detected, either all replicas are stale or lost.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseNoAvailableReplicas - expr: 'ClickHouseErrorMetric_NO_AVAILABLE_REPLICA == 1' - for: 0m - labels: - severity: critical - annotations: - summary: ClickHouse No Available Replicas (instance {{ $labels.instance }}) - description: "No available replicas in ClickHouse.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseNoLiveReplicas - expr: 'ClickHouseErrorMetric_TOO_FEW_LIVE_REPLICAS == 1' - for: 0m - labels: - severity: critical - annotations: - summary: ClickHouse No Live Replicas (instance {{ $labels.instance }}) - description: "There are too few live replicas available, risking data loss and service disruption.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseHighNetworkTraffic - expr: 'ClickHouseMetrics_NetworkSend > 250 or ClickHouseMetrics_NetworkReceive > 250' - for: 5m - labels: - severity: warning - annotations: - summary: ClickHouse High Network Traffic (instance {{ $labels.instance }}) - description: "Network traffic is unusually high, may affect cluster performance.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseHighTcpConnections - expr: 'ClickHouseMetrics_TCPConnection > 400' - for: 5m - labels: - severity: warning - annotations: - summary: ClickHouse High TCP Connections (instance {{ $labels.instance }}) - description: "High number of TCP connections, indicating heavy client or inter-cluster communication.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseInterserverConnectionIssues - expr: 'increase(ClickHouseMetrics_InterserverConnection[5m]) > 0' - for: 1m - labels: - severity: warning - annotations: - summary: ClickHouse Interserver Connection Issues (instance {{ $labels.instance }}) - description: "An increase in interserver connections may indicate replication or distributed query handling issues.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseZookeeperConnectionIssues - expr: 'avg(ClickHouseMetrics_ZooKeeperSession) != 1' - for: 3m - labels: - severity: warning - annotations: - summary: ClickHouse ZooKeeper Connection Issues (instance {{ $labels.instance }}) - description: "ClickHouse is experiencing issues with ZooKeeper connections, which may affect cluster state and coordination.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseAuthenticationFailures - expr: 'increase(ClickHouseErrorMetric_AUTHENTICATION_FAILED[5m]) > 0' - for: 0m - labels: - severity: info - annotations: - summary: ClickHouse Authentication Failures (instance {{ $labels.instance }}) - description: "Authentication failures detected, indicating potential security issues or misconfiguration.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseAccessDeniedErrors - expr: 'increase(ClickHouseErrorMetric_RESOURCE_ACCESS_DENIED[5m]) > 0' - for: 0m - labels: - severity: info - annotations: - summary: ClickHouse Access Denied Errors (instance {{ $labels.instance }}) - description: "Access denied errors have been logged, which could indicate permission issues or unauthorized access attempts.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseRejectedInsertQueries - expr: 'increase(ClickHouseProfileEvents_RejectedInserts[1m]) > 0' - for: 1m - labels: - severity: warning - annotations: - summary: ClickHouse rejected insert queries (instance {{ $labels.instance }}) - description: "INSERTs rejected due to too many active data parts. Reduce insert frequency.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseDelayedInsertQueries - expr: 'increase(ClickHouseProfileEvents_DelayedInserts[5m]) > 0' - for: 2m - labels: - severity: warning - annotations: - summary: ClickHouse delayed insert queries (instance {{ $labels.instance }}) - description: "INSERTs delayed due to high number of active parts.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseZookeeperHardwareException - expr: 'increase(ClickHouseProfileEvents_ZooKeeperHardwareExceptions[1m]) > 0' - for: 1m - labels: - severity: critical - annotations: - summary: ClickHouse zookeeper hardware exception (instance {{ $labels.instance }}) - description: "Zookeeper hardware exception: network issues communicating with ZooKeeper\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseHighNetworkUsage - expr: 'rate(ClickHouseProfileEvents_NetworkSendBytes[1m]) > 100*1024*1024 or rate(ClickHouseProfileEvents_NetworkReceiveBytes[1m]) > 100*1024*1024' - for: 2m - labels: - severity: warning - annotations: - summary: ClickHouse high network usage (instance {{ $labels.instance }}) - description: "High network usage. ClickHouse network usage exceeds 100MB/s.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: ClickhouseDistributedRejectedInserts - expr: 'increase(ClickHouseProfileEvents_DistributedRejectedInserts[5m]) > 0' - for: 2m - labels: - severity: critical - annotations: - summary: ClickHouse distributed rejected inserts (instance {{ $labels.instance }}) - description: "INSERTs into Distributed tables rejected due to pending bytes limit.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" diff --git a/dist/rules/couchdb/gesellix-couchdb-prometheus-exporter.yml b/dist/rules/couchdb/gesellix-couchdb-prometheus-exporter.yml new file mode 100644 index 0000000..2f0473a --- /dev/null +++ b/dist/rules/couchdb/gesellix-couchdb-prometheus-exporter.yml @@ -0,0 +1,164 @@ +groups: + - name: couchdb-alerts + rules: + - alert: CouchDBNodeDown + expr: expr: couchdb_httpd_node_up == 0 or couchdb_httpd_up == 0 + for: 2m + labels: + severity: critical + annotations: + summary: "CouchDB node down" + description: "CouchDB node is not responding (node_up metric is 0) for more than 2 minutes." + + - alert: CouchDBAtomMemoryHigh + expr: couchdb_erlang_memory_atom_used > 0.9 * couchdb_erlang_memory_atom + for: 5m + labels: + severity: critical + annotations: + summary: "CouchDB atom memory usage critical" + description: "Atom memory usage is above 90% of limit." + + - alert: CouchDBOpenDatabasesCritical + expr: couchdb_httpd_open_databases > 0.9 * 1000 + for: 5m + labels: + severity: critical + annotations: + summary: "CouchDB open databases critical" + description: "Number of open databases exceeds 90% of node capacity." + + - alert: CouchDBOpenOSFilesCritical + expr: couchdb_httpd_open_os_files > 0.9 * 65535 + for: 5m + labels: + severity: critical + annotations: + summary: "CouchDB open OS files critical" + description: "CouchDB is using more than 90% of allowed OS file descriptors, may fail to open new files." + + - alert: CouchDB5xxErrorsHigh + expr: rate(couchdb_httpd_status_codes{code=~"5.."}[5m]) / rate(couchdb_httpd_requests[5m]) > 0.05 + for: 5m + labels: + severity: critical + annotations: + summary: "CouchDB 5xx error ratio high" + description: "More than 5% of HTTP requests are returning 5xx errors." + + - alert: CouchDBTemporaryViewReadsCritical + expr: rate(couchdb_httpd_temporary_view_reads[5m]) > 100 + for: 5m + labels: + severity: critical + annotations: + summary: "CouchDB temporary view read rate critical" + description: "Temporary view read rate exceeds 100 reads/sec, high risk of performance degradation." + + - alert: CouchDBMangoTooManyDocsScanned + expr: rate(couchdb_mango_too_many_docs_scanned[5m]) > 50 + for: 5m + labels: + severity: warning + annotations: + summary: "CouchDB Mango queries scanning too many docs" + description: "Some Mango queries are scanning too many documents, consider adding indexes." + + - alert: CouchDBMangoInvalidIndexQueries + expr: rate(couchdb_mango_query_invalid_index[5m]) > 5 + for: 5m + labels: + severity: warning + annotations: + summary: "CouchDB Mango queries failed due to invalid index" + description: "Some Mango queries failed to execute because the index was missing or invalid." + + - alert: CouchDBMangoDocsExaminedHigh + expr: rate(couchdb_mango_docs_examined[5m]) > 1000 + for: 5m + labels: + severity: warning + annotations: + summary: "CouchDB Mango docs examined high" + description: "High number of documents examined per Mango queries, consider indexing." + + - alert: CouchDBReplicatorManagerDeaths + expr: increase(couchdb_replicator_changes_manager_deaths[5m]) > 0 + for: 1m + labels: + severity: critical + annotations: + summary: "CouchDB Replicator manager died" + description: "Replication manager process has crashed." + + - alert: CouchDBReplicatorQueueDeaths + expr: increase(couchdb_replicator_changes_queue_deaths[5m]) > 0 + for: 1m + labels: + severity: critical + annotations: + summary: "CouchDB Replicator queue process died" + description: "Replication queue process has crashed." + + - alert: CouchDBReplicatorReaderDeaths + expr: increase(couchdb_replicator_changes_reader_deaths[5m]) > 0 + for: 1m + labels: + severity: critical + annotations: + summary: "CouchDB Replicator reader process died" + description: "Replication reader process has crashed." + + - alert: CouchDBReplicatorFailedStarts + expr: increase(couchdb_replicator_failed_starts[5m]) > 0 + for: 1m + labels: + severity: critical + annotations: + summary: "CouchDB Replicator failed to start" + description: "One or more replication tasks failed to start." + + - alert: CouchDBReplicatorClusterUnstable + expr: couchdb_replicator_cluster_is_stable == 0 + for: 2m + labels: + severity: critical + annotations: + summary: "CouchDB replication cluster unstable" + description: "The replication cluster is unstable, replication may be interrupted." + + - alert: CouchDBReplicatorChangesReadFailures + expr: increase(couchdb_replicator_changes_read_failures[5m]) > 5 + for: 5m + labels: + severity: warning + annotations: + summary: "CouchDB replication read failures" + description: "Replication changes feed has failed reads more than 5 times in 5 minutes." + + - alert: CouchDBOpenFDsHigh + expr: process_open_fds / process_max_fds > 0.85 + for: 5m + labels: + severity: warning + annotations: + summary: "CouchDB file descriptors high" + description: "Process is using more than 85% of allowed file descriptors." + + - alert: CouchDBProcessRestarted + expr: changes(process_start_time_seconds[1h]) > 0 + for: 1m + labels: + severity: critical + annotations: + summary: "CouchDB process restarted" + description: "CouchDB process has restarted recently." + + - alert: CouchDBCriticalLogs + expr: increase(couchdb_server_couch_log{level=~"error|critical"}[5m]) > 0 + for: 1m + labels: + severity: critical + annotations: + summary: "CouchDB critical log entries" + description: "Critical or error log entries detected in the last 5 minutes."