- Kafka rolling restart runbook: restart brokers and controllers one at a time without offline partitions or client errorsData Platform · 11 Nov 2026
- KRaft controller quorum cheat sheet: check quorum health, add and remove controllers, and read cluster metadataData Platform · 11 Nov 2026
- Spark on Kubernetes production checklist: memory overhead, local storage, dynamic allocation and executor decommissioningData Platform · 11 Nov 2026
- Rotate the Airflow Fernet key without breaking connections and variablesData Platform · 10 Nov 2026
- Airflow ExternalTaskSensor waits forever: logical date mismatch, execution_delta and failed upstream statesData Platform · 8 Nov 2026
- dbt test failed: see the failing rows, set severity and thresholds, and stop noisy tests blocking buildsData Platform · 8 Nov 2026
- Airflow CLI cheat sheet for on-call: check DAGs, pause, trigger, clear tasks and change poolsData Platform · 6 Nov 2026
- dbt source freshness: alert when a source stops loadingData Platform · 4 Nov 2026
- Repair a failed Databricks job run without duplicating data: repair-run, latest_repair_id and dependent tasksDatabricks on Azure · 4 Nov 2026
- Stop a runaway Snowflake query: cancel by query ID, session, user or warehouse, then set timeoutsData Platform · 4 Nov 2026
- Azure Data Factory operations cheat sheet: find, rerun, cancel and pause pipelines from the CLI, PowerShell and KQLData Platform · 2 Nov 2026
- Azure Databricks \"does not have permission\" on clusters, jobs and notebooks: fixing workspace object ACLsDatabricks on Azure · 2 Nov 2026
- Decommissioning an OCI compute instance safely: a checklistOCI · 2 Nov 2026
- Snowflake ACCOUNT_USAGE ops cheat sheet: failed queries, long runners, failed logins, locks and grant changesData Platform · 2 Nov 2026
- Moving SQL Server database files to a new drive: user databases, tempdb and the default pathsDatabases · 30 Oct 2026
- Oracle Data Pump cheat sheet: expdp, impdp, remaps, monitoring and the errors you'll hitDatabases · 30 Oct 2026
- Snowflake key-pair authentication for service users: setup and zero-downtime key rotationData Platform · 30 Oct 2026
- Kafka partition reassignment in production: rack awareness, throttling and rebalancing brokers safelyData Platform · 29 Oct 2026
- Redis Cluster operations: hash slots, resharding, rebalancing and finding hot or big keysDatabases · 29 Oct 2026
- Sev1: a production Kafka topic was deleted. Stop the damage, recreate it and recover the dataData Platform · 29 Oct 2026
- Kafka Connect REST API cheat sheet: status, restarting failed tasks, pause/stop and resetting offsetsData Platform · 28 Oct 2026
- Kafka Schema Registry cheat sheet: subjects, compatibility checks and fixing rejected schemasData Platform · 27 Oct 2026
- Redis DBA cheat sheet: redis-cli, INFO, keys, memory, clients, replication and persistenceDatabases · 27 Oct 2026
- Databricks CLI cheat sheet for Azure workspace operations: clusters, jobs, files and grantsDatabricks on Azure · 26 Oct 2026
- Kafka CLI cheat sheet: topics, consumer groups, configs and partition movesData Platform · 26 Oct 2026
- SSM Run Command cheat sheet - running scripts across EC2 fleets safely with rate control and output to S3AWS · 26 Oct 2026
- Advisory: a patching strategy on OCI with OS Management Hub - lifecycle environments, groups and schedulesOCI · 25 Oct 2026
- Advisory: a patching strategy with Azure Update Manager - rings, maintenance windows and reportingAzure · 25 Oct 2026
- Azure Resource Graph queries for daily operations, a cheat sheetAzure · 24 Oct 2026
- dbt node selection and CLI cheat sheet: run exactly what you meanData Platform · 24 Oct 2026
- Expiring Entra ID app registration secrets and certificates, finding and rotating them without an outageAzure · 24 Oct 2026
- Databricks cluster policies: compute governance that cuts cost and support ticketsData Platform · 23 Oct 2026
- Databricks cost optimisation with system tables: find, attribute and cut DBU spendData Platform · 23 Oct 2026
- Databricks job performance tuning: AQE, shuffle, skew, joins, Photon and file layoutData Platform · 23 Oct 2026
- Databricks operations monitoring: system tables, alerts and an ops dashboardData Platform · 23 Oct 2026
- Databricks production go-live readiness checklist for pipelines and workloadsData Platform · 23 Oct 2026
- Databricks SQL warehouse optimisation: sizing, scaling, auto-stop, caching and slow query fixesData Platform · 23 Oct 2026
- Day-to-day SQL Server Agent job management: the DBA's daily, weekly and monthly routineDatabases · 23 Oct 2026
- Delta tables on autopilot: liquid clustering and predictive optimization in DatabricksData Platform · 23 Oct 2026
- MySQL DBA cheat sheet: client, processlist, InnoDB, sys schema, replication and backupsDatabases · 23 Oct 2026
- Oracle DBA cheat sheet: SQL*Plus, sessions, waits, space, RMAN, Data Guard and moreDatabases · 23 Oct 2026
- PostgreSQL DBA cheat sheet: psql, sessions, locks, vacuum, replication and backupsDatabases · 23 Oct 2026
- Spark Structured Streaming checkpoint recovery runbook: restart, change or reset a stream safelyData Platform · 23 Oct 2026
- SQL Server DBA cheat sheet: the queries and commands you use every weekDatabases · 23 Oct 2026
- Treat SQL Server Agent like production code: standards for naming, ownership, logging, alerting and changeDatabases · 23 Oct 2026