Editorial Technical Reference

Checkpoint Coordinator

This page explains how Checkpoint Coordinator is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A software component within the Redo Handler that manages and synchronizes checkpoint operations in database recovery systems.

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Product Specifications

Technical details and manufacturing context for Checkpoint Coordinator

Definition

The Checkpoint Coordinator is a critical sub-component of the Redo Handler in database management systems. It orchestrates checkpoint operations by coordinating between various system processes to ensure consistent recovery points are established. During database operations, it manages the timing, initiation, and completion of checkpoints, maintaining data integrity and enabling efficient crash recovery by ensuring that all necessary transaction logs and data modifications are properly synchronized before marking a checkpoint as complete. This component is designed for integration into database systems supporting versions 10 through 21, with a configurable checkpoint interval ranging from 1 to 60 minutes. It achieves a recovery time objective of 5 seconds or less, sustaining throughput of 1000 to 10000 checkpoints per second with latency not exceeding 10 milliseconds. Under normal load, it consumes 64 to 512 MB of memory and uses no more than 5% of a single CPU core. As a software component, the primary material on file is software code. All listed parameters are reference ranges that must be verified for the specific database version and deployment environment. The Checkpoint Coordinator is a part-level component, not a standalone product, and its performance depends on the underlying hardware and database configuration.

Working Principle

The Checkpoint Coordinator operates by monitoring transaction activities and system states. When triggered by time intervals, log thresholds, or manual commands, it initiates a checkpoint sequence: first, it signals all active processes to pause new modifications temporarily; then, it ensures all pending transactions are written to the redo log; finally, it updates the checkpoint record in the control file or database header. This creates a recovery point where all data modifications up to that moment are guaranteed to be durable on disk. The coordinator synchronizes these steps to maintain consistency and minimize impact on ongoing operations.

Common Materials

Software Code

Technical Parameters

Parameter	Typical range	Notes & selection driver
Supported Database Versions	10–21	Compatibility with major RDBMS versions
Checkpoint Interval	1–60 min	Configurable; shorter intervals reduce recovery time
Recovery Time Objective	≤5 s	Maximum time to restore consistency after failure
Throughput	1000–10000 checkpoints/s	Sustained checkpoint operations per second
Latency	≤10 ms	Time to initiate a checkpoint after trigger
Memory Footprint	64–512 MB	Typical RAM usage under normal load
CPU Usage	≤5 %	Percentage of a single core at peak load

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Checkpoint Trigger Module
Monitors system conditions and initiates checkpoint sequences based on configured thresholds

Material: software
Process Synchronization Handler
Coordinates with database processes to ensure consistent state during checkpoint operations

Material: software
Checkpoint Record Manager
Updates and maintains checkpoint records in system control structures

Material: software

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Redo Handler

View system integration details

Manufacturers of Checkpoint Coordinator

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Frequently Asked Questions

What is the Checkpoint Coordinator?

It is a software component within the Redo Handler that manages and synchronizes checkpoint operations in database recovery systems, ensuring consistent recovery points.

What are the key parameters?

Supported database versions 10-21, checkpoint interval 1-60 min, recovery time objective ≤5 s, throughput 1000-10000 checkpoints/s, latency ≤10 ms, memory 64-512 MB, CPU usage ≤5%, humidity 10-90%, power 5-20 W.

How does it work?

It monitors transaction activities and system states. When triggered, it pauses new modifications, writes pending transactions to the redo log, and updates the checkpoint record, creating a durable recovery point.

What should I verify before deployment?

Verify model-specific values for your database version and environment, and confirm compliance with standards like IEC 60529 with the legal manufacturer or supplier.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	N/A (software component)
other spec:	System uptime: 99.9%, Recovery time objective: <5 minutes, Transaction throughput: Up to 10,000 TPS
temperature:	0-70°C (operating environment)