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Category: Tuning

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Turning a Slow ORDER BY … LIMIT Query into an Index-Only Scan

Jim KnicelyJune 5, 2026

A common tuning pattern in YugabyteDB is finding a query that looks simple, has indexes available, and still performs inconsistently. This often […]

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Configure Preferred Zones for Multi-Region Deployments

Jim KnicelyMay 23, 2026

In a multi-region YugabyteDB cluster, tablet leaders matter. Every strongly consistent read and every write is served by the tablet leader. A […]

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Check for Zombie Processes After OS Patching

Jim KnicelyMay 23, 2026

Routine OS patching should be boring. Patch the host, reboot or restart services, confirm YugabyteDB is healthy, and move on. But there […]

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Check Session and Server Memory from ysqlsh

Jim KnicelyMay 14, 2026

When troubleshooting query behavior, connection sizing, or general node health, it can be useful to answer a few simple questions: ● How […]

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