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    • Service: PostgreSQL
      • Runbooks
        • User
          • PostgreSQLConnectionsCritical
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          • PostgreSQLBackendsWaiting
          • PostgreSQLDeadlockConflicts
        • System
          • Alert rule: CNPGPostgreSQLReplicationLagCritical
          • Alert rule: CNPGPostgreSQLReplicaFailingReplication
          • Alert rule: CNPGPostgreSQLManualSwitchoverRequired
          • Alert rule: CNPGPostgreSQLNoStreamingReplicas
          • Alert rule: CNPGPostgreSQLXIDWraparound
          • Alert rule: CNPGPostgreSQLFencingOn
          • Alert rule: CNPGPostgreSQLArchiveFailing
          • Alert rule: CNPGClusterHAWarning
          • Alert rule: CNPGClusterOffline
          • Alert rule: CNPGClusterInstancesOnSameNode
          • Alert rule: CNPGClusterZoneSpreadWarning
        • Restore PostgreSQL by VSHN Database (StackGres)
        • Restore PostgreSQL by VSHN Database (CNPG)
    • Service: Redis
    • Service: MariaDB
      • Restore
    • Service: MinIO
      • Installation
    • Service: Forgejo / Codey
      • Architecture
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    • Service: Exoscale DBaaS
      • Exoscale Price API
      • Runbooks
        • Manually Restore DBaaS Backup
    • CSP: Exoscale
      • Exoscale Marketplace Integration
    • CSP: APPUiO
      • Runbooks
        • Change AppCat service quota on APPUiO
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    • CSP: SPKS
      • How to Investigate a Service
      • How to rollout new revisions
      • Redis
        • Redis Service Details
        • Redis Sentinel Load Balancing with HAProxy
        • Redis Fake Sentinel with HAProxy
        • How to rollout new revisions
        • Runbooks
          • How to Debug Redis Sentinel
          • How to Manually Perform a Redis Failover
          • Fix wrong/invalid leader after rollout/update
          • Alert rule: RedisClusterFlapping
          • Alert rule: RedisClusterDown
          • Alert rule: RedisDisconnectedSlaves
          • Alert rule: RedisDown
          • Alert rule: RedisKeyEviction
          • Alert rule: RedisMasterMissing
          • Alert rule: RedisMemoryHigh
          • Alert rule: RedisOutOfMemory
          • Alert rule: RedisReplicationBroken
          • Alert rule: RedisTooManyMasters
          • Restore Backman Backup
          • csp/spks/runbooks/redis/RedisMasterLinkDown.adoc
      • MariaDB Galera
        • HAProxy for MariaDB Galera Load Balancing
        • How to Access the HAPRoxy Stats Page
        • Runbooks
          • How to Debug MariaDB Galera
          • How to Find the Cluster for a Database Instance
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          • Alert rule: MySQLGaleraClusterDown
          • Alert rule: MySQLGaleraClusterEvenNodes
          • Alert rule: MySQLGaleraClusterSmall
          • Alert rule: MySQLGaleraDonorFallingBehind
          • Alert rule: MySQLGaleraNotConnected
          • Alert rule: MySQLGaleraNotOperational
          • Alert rule: MySQLGaleraNotReady
          • Alert rule: MySQLGaleraOutOfSync
          • Alert rule: MySQLInnoDBLogWaits
          • csp/spks/runbooks/mariadb_galera/HAProxyBackendsDown.adoc
      • Crossplane Service Broker Overview
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        • Install the Crossplane Service Broker
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        • Prepare HTTP Bearer Token Authentication
        • Connect the Service Catalog to a Service Broker
        • Install Kube Token Refresher
        • Setup HTTP Basic authentication
        • How to Implement a new Service Offering
        • Setting up the Crossplane Service Broker
      • Vault
        • Vault: Auto Unseal
        • Vault: Backup and Restore
      • Enable Plan Upgrades
    • Framework 1.0
      • ADRs
        • Working with ADRs
        • ADR 0001 - Architecture Decision Records
        • ADR 0002 - Service Documentation
        • ADR 0003 - StackGres Operator for PostgreSQL
        • ADR 0004 - PostgreSQL Metrics Exporter
        • ADR 0005 - Automated PostgreSQL Service Upgrades
        • ADR 0006 - Bitnami Helm Chart for Redis
        • ADR 0007 - Automated Redis Service Upgrades
        • ADR 0008 - Bitnami Helm Chart for MariaDB
        • ADR 0009 - ProxySQL for MariaDB Clustering
        • ADR 0010 - MinIO for Local Object Storage
        • ADR 0011 - Monitor Object Bucket with Probe
        • ADR 0012 - Converged Service in Managed Namespace
        • ADR 0013 - Use Logging Facilities of Platform
        • ADR 0014 - Commodore Component to Deploy Compositions and XRDs
        • ADR 0015 - Metrics and Monitoring of Services
        • ADR 0016 - Service API Design
        • ADR 0017 - Handling of Capacity Alerts for Incident Prevention
        • ADR 0018 - SLA Reports Handling
        • ADR 0019 - Deletion Protection with Validating Webhook
        • ADR 0020 - User Management in Service Instances
        • ADR 0021 - Composition Function Error Handling
        • ADR 0022 - Replace API Server by Custom Resources
        • ADR 0023 - Releasee Process for AppCat Components
        • ADR 0024 - Product Choice for Secret Management
        • ADR 0025 - Nextcloud Deployment with Helm Chart
        • ADR 0026 - Deploy MongoDB with Operator
        • ADR 0027 - Keycloak Deployment with Helm Chart
        • ADR 0028 - SLI Prober for Object Storage
        • ADR 0029 - Converged Service Provisioning Implementation
        • ADR 0030 - Function Revisions
        • ADR 0031 - Naming scheme for Servala cluster names and URLs
        • ADR 0032 - CI Pipeline
        • ADR 0033 - Event-Based Billing
        • ADR 0034 - Redis High Availability / Clustering
        • ADR 0035 - iKube 2.0 Migration AppCat
        • ADR 036 - Revisiting PostgreSQL Operators
        • ADR 0037 - MariaDB Bitnami Replacement
        • ADR 0038 - Redis Bitnami Chart Alternative
        • ADR 0039 - Servala Framework Requirements
        • ADR 0040 - TCP Service Access
        • ADR 0041 - Migrate MinIO to Rclone
        • ADR 0042 - Backup Encryption for MariaDB Galera and PostgreSQL
        • ADR 0043 - Wazuh Agent for AppCat Services
        • ADR 0044 - Configuration Language: KCL vs CUE
        • ADR 0045 - Service Orchestration: Crossplane 2.x
        • ADR 0046 - Secret Management (Framework 2.0)
        • ADR 0047 - Service Maintenance and Upgrades (Framework 2.0)
        • ADR 0048 - Evaluating vector databases as AppCat services
        • ADR 0049 - Managed OpenBao Service Implementation
        • ADR 0050 - Alternatives to Minio for S3 compatible Object Storage
        • ADR 0051 - Standardized Status Fields for AppCat Services
        • ADR 0052 - Rework initial maintenance
        • ADR 0053 - Day 2 Operations With AppCat
        • ADR 0054 - VSHN Managed Forgejo Runners
      • Framework Requirements
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      • Working with Crossplane Functions
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      • Framework 2.0
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      • Implement Services non-converged compatible
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        • Billing Overview
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        • Backfill Billing Data (Deprecated)
      • AppCat Quality Requirements
        • Service Production Readiness Standards
        • Backups Can Be Exported
        • Reliability
          • Automatic Updates
          • Mandatory Updates
          • Minimum Backup Interval
        • Usability
          • Actionable Alerts
          • Declarative Configuration of Instances
          • Service Instance API Validation
          • Provisioning Time
          • Service Instance Logs
      • Runbooks
        • AppCat Release Process
        • Alert rule: AppCatBackupJobError
        • Alert rule: AppCatMaintenanceJobFailed
        • AppCat Rollback
        • Alert rules: VSHNRedis
        • Alert rule: GuaranteedUptimeTarget
        • Alert rule: AppCatHighAvailableStatefulsetWarning
        • Alert rule: AppCatHighAvailableDeploymentWarning
        • Alert: AppCatSLIExporterDown
        • Alert rule: AppCatHotfixJobError
        • Alert rule: CrossplaneDown
        • Alert rule: CrossplaneResourceUnsynced
        • Alert rule: CrossplaneResourceNotReady
        • Alert rule: HighOdooHTTPFailureRate
        • Alert rule: HighProviderHTTPFailureRate
    • Framework 2.0
      • ADRs
        • ADR 0001 - AppCat Framework 2.0: ServiceBundle to Crossplane Converter (Slapper)
        • ADR 0002 - AppCat Framework 2.0: Claim Lifecycle and Provisioner (CLAP)
        • ADR 0003 - Slapper Stdlib Loader
        • ADR 0004 - Slapper Helm Renderer for the Provisioning Step
    • Control Plane
      • Central Control Plane (CCP)
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      • Using AI with AppCat
        • Sandboxing AI Sessions
      • Reattach a lost ObjectBucket
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  • Alert rule: MySQLInnoDBLogWaits
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Alert rule: MySQLInnoDBLogWaits

Overview

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Steps for Debugging

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Alert rule: MySQLGaleraOutOfSync csp/spks/runbooks/mariadb_galera/HAProxyBackendsDown.adoc

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