Practical tools for system, network, security, and operations administrators.

OPS

Operations desk

The overlapping desk: incidents, configuration, and the glue between teams. Built for the people who sit between titles.

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MongoDB WiredTiger Cache Calculator

Live

Size WiredTiger cache for hosts and containers. The result stays on this page.

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Redis maxmemory Policy Selector

Live

Redis maxmemory Policy Selector. Choose eviction policy by use case. The result stays on this page.

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PostgreSQL work_mem Calculator

Live

Safe work_mem from RAM and connections. The result stays on this page.

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max_connections Calculator

Live

max_connections Calculator. Safe connection limits from memory. The result stays on this page.

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PostgreSQL Autovacuum Tuner

Live

Tune autovacuum thresholds per table size. The result stays on this page.

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Linux Kernel Settings for Databases

Live

Hugepages, swappiness, THP, I/O scheduler. The result stays on this page.

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Hugepages Calculator

Live

Calculate vm.nr_hugepages for Oracle/PostgreSQL. The result stays on this page.

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PgBouncer Config Generator

Live

Generate pgbouncer.ini with pool modes. The result stays on this page.

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Connection Pool Size Calculator

Live

Recommends pool size from cores, disks and concurrency. The result stays on this page.

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RDS/Aurora Parameter Group Tuner

Live

Recommend parameter group values by instance class. The result stays on this page.

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Azure SQL / Cloud SQL Tier Selector

Live

Azure SQL / Cloud SQL Tier Selector. Pick service tier by workload. The result stays on this page.

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postgresql.conf Explainer

Live

Explain each setting in a pasted config. The result stays on this page.

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my.cnf Explainer

Live

Explain each setting in a pasted MySQL config. The result stays on this page.

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Backup Retention Calculator

Live

Storage needed for DB backup retention. The result stays on this page.

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Backup Size Estimator

Live

Backup Size Estimator. Estimate compressed backup size. The result stays on this page.

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Restore Time Estimator

Live

Estimate restore duration from size and throughput. The result stays on this page.

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Database RPO/RTO Planner

Live

Map requirements to backup and HA design. The result stays on this page.

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PITR Timestamp Helper

Live

Find the right restore point/LSN for a time. The result stays on this page.

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WAL / Binlog Retention Calculator

Live

WAL / Binlog Retention Calculator. Disk needed for WAL/binlog retention. The result stays on this page.

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Backup Verification Script Generator

Live

Backup Verification Script Generator. Generate restore-and-check scripts. The result stays on this page.

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pgBackRest Config Generator

Live

Generate pgBackRest stanza and schedules. The result stays on this page.

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RMAN Script Generator

Live

RMAN Script Generator. Generate Oracle RMAN backup scripts. The result stays on this page.

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XtraBackup / mariabackup Command Builder

Live

XtraBackup / mariabackup Command Builder. Build physical MySQL backup commands. The result stays on this page.

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mongodump / mongorestore Command Builder

Live

mongodump / mongorestore Command Builder. Build MongoDB backup commands. The result stays on this page.

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