RKRakesh Kishoreintunedinstance.com·22h ago · 6 min readAzure SQL DTU at 100%: How to Stop Cloud Throttling and Optimize Database CostsIt is a sudden, costly performance drop that hits modern cloud applications completely by surprise. Your application has been running beautifully for weeks on a budget-friendly cloud tier. Suddenly, u00
RKRakesh Kishoreintunedinstance.com·22h ago · 6 min readSQL Server Autogrowth Shock: How to Fix Slow File Growth and Stop Random Query TimeoutsIt is one of the most frustrating performance mysteries in database administration. Out of nowhere, an application query that usually takes 10 milliseconds completely freezes. It spins for 15 seconds,00
RKRakesh Kishoreintunedinstance.com·2d ago · 6 min readSQL Server JSON Performance: How to Fix Slow JSON Queries and Index Dynamic Data SafelyIt is an incredibly popular development pattern. To keep application code flexible, your backend team decides to store dynamic, changing user attributes or third-party API logs inside a single text co00
RKRakesh Kishoreintunedinstance.com·2d ago · 6 min readParameter Sniffing: Why Your Stored Procedures Suddenly Run Slow and How to Fix ItIt is one of the most baffling anomalies in database engineering. A stored procedure that has run perfectly for months—completing in less than 50 milliseconds every single time—suddenly spikes your CP00
RKRakesh Kishoreintunedinstance.com·3d ago · 6 min readSQL Server Implicit Conversions: How to Fix Data Type Mismatches and Stop Slow Index ScansYou spent hours carefully designing a non-clustered index on a massive table's primary lookup column. You verified the query filters match the index key perfectly. Yet, when the application runs the s00
RKRakesh Kishoreintunedinstance.com·3d ago · 6 min readSQL Server Query Blocking: How to Fix LCK Waits and Keep Traffic Moving SmoothlyIt is a baffling situation that every application team runs into eventually. Suddenly, a fast web page lookup stops loading and spins indefinitely until it throws a timeout error. You jump onto your s00
UAUptime Architectinuptimearchitect.hashnode.dev·3d ago · 18 min readHow to Read an AWR Report Without DrowningAn AWR report is a wall of numbers — dozens of sections, hundreds of rows, a thousand ways to get lost chasing a metric that doesn't matter. Most people scroll to "Buffer Hit %", see 99%, and conclude00
RKRakesh Kishoreintunedinstance.com·3d ago · 8 min readLow Page Life Expectancy: How to Fix SQL Server Buffer Pool Memory PressureIt is a silent performance decline that catches infrastructure teams completely off guard. Your application behaviour starts showing subtle delays, page load times creep upward, and your storage metri00
RKRakesh Kishoreintunedinstance.com·4d ago · 6 min readSQL Server Linked Servers: How to Fix Slow Cross-Server Queries and Stop Performance LagIt is a common design pattern in modern business infrastructure. Your application needs to combine data from two entirely separate databases—such as pulling customer records from a local marketing ins00
RKRakesh Kishoreintunedinstance.com·5d ago · 7 min readDatabase Shrinking Myths: How to Stop Data File Bloat Without Destroying PerformanceIt is a tense moment that every database professional faces eventually. A large historical table is dropped, or a massive cleanup script deletes millions of old rows from a database. You look at your 00
