Home Database navicat What performance metrics can Navicat display?

What performance metrics can Navicat display?

Jul 29, 2025 am 12:20 AM

Navicat can display a variety of performance metrics to help users monitor and optimize database performance. Its core functions include: 1. Provide real-time data on connections and sessions, such as the current number of connections, number of active sessions, session running time and source information, to facilitate the detection of bottlenecks caused by too many connections; 2. Display query execution time, frequency and resource usage, and provide SQL execution plan, supporting time-consuming or frequency sorting to locate inefficient queries; 3. Monitor server-level resource usage through integrated tools, such as CPU utilization, memory consumption and disk I/O speed, to distinguish whether performance problems originate from hardware or query design; 4. Analyze table and index efficiency, including table size, number of rows, index fragmentation rate and cache hit rate, and recommend rebuilding inefficient indexes to improve query speed. These metrics provide comprehensive and intuitive data support for database optimization.

Navicat can display a variety of performance metrics to help users monitor and optimize database performance. These metrics vary depending on the type of database you're working with (like MySQL, PostgreSQL, or SQL Server), but here are some common ones you'll likely see.

1. Connection and Session Metrics

Navicat provides real-time data about current connections and active sessions. This includes how many users are connected, what queries they're running, and how long those connections have been open.

  • You can view details like:
    • Number of active vs. idle sessions
    • Time each session has been running
    • Which user or host initiated the connection

This is especially useful when troubleshooting slow performance — sometimes too many open connections can bottleneck your system.

2. Query Performance Statistics

One of the most commonly used features in Navicat for performance monitoring is its ability to show query execution time, frequency, and resource usage.

  • For example, it can show:
    • Slowest queries over a given period
    • Queries that lock tables or take up high CPU
    • Execution plans for SQL statements

You can sort by duration or frequency to quickly spot inherent queries that need optimization.

3. Resource Usage (CPU, Memory, Disk I/O)

If you're using Navicat Premium or a version integrated with a monitoring tool (like Navicat Monitor), you can also get insights into server-level resource usage.

  • It typically displays:
    • Real-time CPU utilization
    • Memory consumption trends
    • Disk read/write speeds

These metrics help you understand whether performance issues stem from hardware limitations or poorly optimized queries.

4. Table and Index Efficiency

Navicat helps analyze table performance by showing metrics like:

  • Table size and row count
  • Index fragmentation levels
  • Hit rates for cached data

For instance, if an index has low usage or high fragmentation, Navicat may suggest rebuilding or reorganizing it — which can significantly improve query speed.


In short, Navicat gives you a solid set of tools to monitor performance through connection stats, query behavior, server resources, and table efficiency. While the exact metrics depend on your database system, these views give you actionable insights without needing to write complex monitoring scripts yourself.

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