KTuner & KCare Database Performance Management Platform manufacturer, company, constructor

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Product Brief

Challenges in Database Operations
Database performance bottlenecks often indicate systemic IT issues—storage performance, SAN network throughput, OS configurations, and application logic flaws—culminating in database-layer crises. Key dilemmas include:

DBA Limitations: Database experts struggle to identify application logic flaws due to limited code analysis skills.
Operational Gaps: Application teams lack database expertise, leading to inefficient troubleshooting.

Common Missteps in Performance Optimization
Traditional monitoring (e.g., wait events or cache hit ratios) fails to capture the full picture of database workloads. Such methods only show historical issues, not real-time events, and lack resource-state correlation. Manual analysis via V$ views is overly complex, requiring deep expertise. Additionally: DBAs often lack involvement in application logic analysis, hindering performance improvements. Operational teams lack platform-layer knowledge, limiting system-wide optimizations. IT leaders frequently resort to costly hardware upgrades, increasing risks (e.g., compatibility issues, delayed ROI). KTuner resolves these challenges, enabling proactive performance management and avoiding unnecessary upgrades.

Core Features
Multi-Metric Monitoring & Alerts:——Monitors and alerts on over 200 database performance metrics.

Automated Diagnostic Reports:—— Generates optimization recommendations and diagnostic reports based on runtime data.

One-Click Optimization:—— Leverages AI models to deeply optimize high-frequency, inefficient SQL statements.

Full - Time Performance Retrospection:—— Analyze database states and workloads at any historical timestamp without manual intervention.

Low-load operation:——Ensures monitoring and optimization tasks consume less than 1% of system resources, avoiding performance impact.

Ensuring Information Security

KTuner collects and analyze only database runtime metrics (e.g., sessions, transactions, I/O, CPU/memory usage), never accessing customer data. Key advantages:
Agentless Architecture:
No agents installed on target systems, eliminating platform reliability risks.
Minimal Permissions:
Requires only read-only privileges for analysis and tuning tasks.

Zero-Overhead Intelligent Optimization

KTuner supports concurrent monitoring of hundreds of databases with near-zero overhead. Features include:

Full-Lifecycle Management: Automates optimization scripts and recommendations across business cycles.

Combined with DeepSeek AI large model, Automatically generate optimization recommendations and refactor SQL scripts.

KTuner DB Perfance Management Platform
Multi-Metric Monitoring				24h*7 tracking of 100+ database metrics.
Full-Time Retrospection				Analyze historical states (queries, workloads) at any timestamp.
Low-Cost Optimization				Optimize inefficient SQL without modifying applications.
Third-Party Integration				APls for seamless integration with existing monitoring/alerting systems.
All-in-One DBA Workspace				Integrated tools:diagnostics,SQL editor SSH,SFTP.
Agentless deployment				Without deploying any agent programs in the target database environment.
Al-Driven Expert Assistant				Auto-detects inefficiencies, provides root-cause analysis, and generates optimization scripts.

Functional Panels

KTuner Main Interface

KCare Main Interface

Customer Benefits

Higher Efficiency : Reduces manual DBA tasks by 90%.

Enhanced Visibility : Real-time and historical insights for proactive troubleshooting.

Stable Operations : AI-driven optimizations ensure consistent performance.

Lower Costs : Agentless deployment reduces maintenance complexity.

Flexible Management : Enables rapid response to security threats via dynamic alerts.

Improved Security : Minimizes data leakage and operational risks.

PostgreSQL Extension

PEV (PostgreSQL Enterprise Views) enhances open-source PostgreSQL with enterprise grade monitoring and management capabilities. Features:

Cross-Layer Monitoring: Tracks OS and database metrics (loads, processes, sessions, SQL execution plans, locks).

Visualization: The PEV Client provides intuitive dashboards for performance insights. A PostgreSQL-based search engine enabling full-text indexing and metadata-driven relevance ranking.

Ranking: PEV ranks 6th on PostgreSQL’s official extension list, with over 16 tables and 6 views for real-time analysis.（https://www.postgresql.org/download/products/6- postgresql-extensions/）

Quick Recovery for a National Joint-Stock Bank’s E-Channel System

Challenge

A national joint-stock bank’s e-channel system (including third-party payments) experienced severe latency during peak hours (7:30 AM), causing transaction failures. After 90 minutes of failed troubleshooting (including database reboots), the system remained unstable.

Solution

KTuner identified 3 high-frequency SQLs whose execution plans degraded from 500ms to 50s. Root cause: A core table’s B+ tree index had 8 layers with 85% fragmentation, caused by daily batch deletions/inserts. One-Click Fix: Enforced optimal execution plans restored service in 10 minutes.

The index was rebuilt during maintenance.

Benefits

10-minute recovery (vs. 90+ minutes traditionally), minimizing financial losses.

Proactive Health Reports: Integrated into daily SOPs to prevent recurrence.

Efficiency Transformation for a State-Owned Bank’s Large-Scale Database Operations

Challenge

A large state-owned bank has more than 300 relational databases, covering a number of critical system systems. With only 10 DBAs responsible for over 30 databases each, the traditional manual approach is unsustainable. Key challenges include:

Low inspection coverage, leading to overlooked risks.

Lack of a centralized knowledge base, hindering expertise transfer.

Reactive fault resolution, where issues are addressed post-occurrence, often causing significant disruptions.

Solution

KTuner + KCare Suite: Automated inspections, prioritized alerts, and auto-repair scripts.

Standardized Reports: Identify high-frequency problems and risks based on historical data.

Benefits

90% reduction in manual inspections workload.

85% decrease in peak-time incidents.

Transformed DBA teams from "cost centers" to "value drivers."

Course Registration Optimization for Zhongnan University of Economics and Law

Challenge

During course registration peaks, the system experienced 30+ second delays and frequent errors. A staggered registration schedule triggered fairness disputes. Vendors failed to resolve the issue despite multiple attempts.

Solution

In 2019, the school's information center utilized specialized optimization on the educational administration system database using KTuner. KTuner identified high frequency, inefficient SQL statements causing lock contention. Automated recommendations—including index additions and stored procedure optimizations, reducing response times to <1 second and achieving 99.8% success rates.

Benefits

The system response time stabilized within 1 second during peak hours, and the success rate of course selection is increased to 99.8%.

Hardware resource savings eliminate the need for expensive equipment upgrades to improve performance.

KTuner Enhances Fault Resolution for a Tier-3 Hospital

Challenge

Hospital business systems (such as registration and electronic medical records) have extremely high requirements for continuity, but there is a common phenomenon of "one person with multiple posts" in the information team.The professional ability of the database is limited, and the emergency fault handling is highly dependent on external technical resources.

Solution

Deploying the KTuner suite easily solves the problem mentioned above. Comprehensive DBA tools ensure that connections are processed immediately to avoid delays. Standby environment wastes time; automated diagnostics that generate executable scripts in minutes.

Benefits

Instant Connectivity : No specialized team required.

Toolkit Efficiency : Avoided "30-minute prep for 5-minute fixes.”

Proactive Issue Management : Prevents problem escalation through rapid response.