Editorial Technical Reference

Transaction Manager

This page explains how Transaction Manager 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 database component that manages transaction operations, ensuring data consistency and integrity.

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Product Specifications

Technical details and manufacturing context for Transaction Manager

Definition
The Transaction Manager is a core component within the Database Engine responsible for coordinating and controlling all transaction operations. It ensures ACID properties (Atomicity, Consistency, Isolation, Durability) by managing transaction states, handling commit and rollback operations, maintaining transaction logs, and coordinating with other database components like the Lock Manager and Recovery Manager to guarantee reliable data processing. This component is essential for systems that require high data integrity, such as online transaction processing (OLTP) systems. It tracks transaction states (active, committed, aborted), manages transaction identifiers, and coordinates with concurrency control mechanisms to ensure that concurrent transactions do not interfere with each other. The Transaction Manager writes to transaction logs for recovery purposes, ensuring that all operations within a transaction either complete fully or are rolled back completely. It supports various isolation levels (READ_COMMITTED to SERIALIZABLE) and concurrency control methods (MVCC to 2PL) to balance consistency and performance. The component's performance is characterized by transaction throughput (1000–5000 TPS), latency (1–10 ms), recovery time (1–60 s), and memory footprint (50–200 MB). It supports up to 10,000 connections and operates within a temperature range of 0–70°C. Storage interfaces can range from SATA to NVMe, and logging methods from WAL to AOF. The Transaction Manager adheres to ISO/IEC 9075 for isolation levels and may be subject to quality and security management standards such as ISO 9001 and ISO 27001. These values are reference ranges and must be verified for the specific model and application. The Transaction Manager is a software component, with the primary material being software code. It is designed for use in computer, electronic, and optical product manufacturing, serving as a part of a larger database system.
Working Principle
The Transaction Manager operates by tracking transaction states (active, committed, aborted), managing transaction identifiers, coordinating with concurrency control mechanisms, writing to transaction logs for recovery purposes, and ensuring all operations within a transaction either complete fully or are rolled back completely to maintain database consistency. It interacts with the Lock Manager to manage locks and with the Recovery Manager to ensure durability. The manager uses a logging method (WAL or AOF) to record changes, enabling recovery after failures. It supports various isolation levels and concurrency control methods to balance consistency and performance. The component's performance is characterized by transaction throughput (1000–5000 TPS), latency (1–10 ms), recovery time (1–60 s), and memory footprint (50–200 MB). It supports up to 10,000 connections and operates within a temperature range of 0–70°C. Storage interfaces can range from SATA to NVMe, and logging methods from WAL to AOF. The Transaction Manager adheres to ISO/IEC 9075 for isolation levels and may be subject to quality and security management standards such as ISO 9001 and ISO 27001. These values are reference ranges and must be verified for the specific model and application.
Common Materials
Software Code
Technical Parameters
ParameterTypical rangeNotes & selection driver
Transaction Throughput1000–5000 TPSHigher values for high-volume OLTP systems
Transaction Latency1–10 msLower latency for real-time processing
Isolation LevelREAD_COMMITTED–SERIALIZABLEHigher isolation reduces concurrencyISO/IEC 9075
Concurrency ControlMVCC–2PLMVCC for read-heavy, 2PL for write-heavy
Recovery Time1–60 sTime to recover from failure
Logging MethodWAL–AOFWAL for durability, AOF for append-only
Memory Footprint50–200 MBIncludes transaction logs and buffers
Max Connections100–10000Affects scalability
Operating Temperature0–70 °COutside range may cause data corruption
Storage InterfaceSATA–NVMeNVMe for lower latency
Data IntegrityACIDAtomicity, Consistency, Isolation, Durability
ComplianceISO 9001–ISO 27001Quality and security managementISO 9001, ISO 27001

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

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (software component)
other spec: Throughput: 10,000-100,000 transactions per second, Latency: <10ms per transaction, Data Integrity: ACID compliance, Concurrency: Supports 1000+ simultaneous connections
temperature: 0°C to 70°C (operational), -40°C to 85°C (storage)
Media Compatibility
✓ Relational databases (SQL Server, Oracle, PostgreSQL) ✓ Distributed systems with eventual consistency requirements ✓ Financial transaction processing systems
Unsuitable: Real-time embedded systems with deterministic timing constraints (e.g., automotive control systems, medical device controllers)
Sizing Data Required
  • Peak transaction volume per second (TPS)
  • Average transaction size in bytes
  • Required uptime percentage (e.g., 99.99%)

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion and pitting
Cause: Exposure to moisture, chemicals, or harsh environmental conditions leading to material degradation and loss of structural integrity.
Mechanical wear and fatigue
Cause: Continuous operation, vibration, or improper alignment causing component degradation, loosening, or eventual failure.
Maintenance Indicators
  • Unusual noises such as grinding, clicking, or excessive vibration during operation
  • Visible signs of corrosion, leakage, or physical damage on the housing or connections
Engineering Tips
  • Implement regular preventive maintenance schedules including inspections, cleaning, and lubrication to reduce wear and environmental damage
  • Ensure proper installation, alignment, and environmental controls (e.g., moisture protection, temperature regulation) to minimize operational stresses and corrosion risks

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI/ASQ Z1.4 Sampling Procedures and Tables for Inspection by Attributes DIN EN 10204 Metallic Products - Types of Inspection Documents

Quoted from the published standard.

Manufacturing Precision
  • Dimensional Accuracy: +/-0.05mm for all critical features
  • Surface Finish: Ra 1.6μm maximum for sealing surfaces
Quality Inspection
  • Functional Testing: Verification of transaction processing accuracy and data integrity
  • Environmental Stress Screening: Temperature cycling and vibration testing per MIL-STD-810G
Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
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Manufacturers of Transaction Manager

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Frequently Asked Questions

What is the Transaction Manager's role in a database system?

The Transaction Manager is a core component that coordinates and controls all transaction operations. It ensures ACID properties (Atomicity, Consistency, Isolation, Durability) by managing transaction states, handling commit and rollback, maintaining transaction logs, and coordinating with other components like the Lock Manager and Recovery Manager to guarantee reliable data processing.

What are the key parameters to consider when selecting a Transaction Manager?

Key parameters include transaction throughput (1000–5000 TPS), transaction latency (1–10 ms), isolation level (READ_COMMITTED to SERIALIZABLE), concurrency control method (MVCC to 2PL), recovery time (1–60 s), logging method (WAL to AOF), memory footprint (50–200 MB), max connections (100–10000), operating temperature (0–70°C), and storage interface (SATA to NVMe). These are reference ranges; verify with the manufacturer for your specific application.

How does the Transaction Manager ensure data consistency?

It ensures consistency by enforcing ACID properties. It tracks transaction states, coordinates with concurrency control mechanisms to prevent conflicts, writes to transaction logs for recovery, and ensures that all operations within a transaction either commit fully or roll back completely, maintaining database integrity.

What standards are relevant to the Transaction Manager?

The isolation levels are referenced to ISO/IEC 9075. Additionally, the component may be subject to quality and security management standards such as ISO 9001 and ISO 27001. These standards are procurement references; actual compliance must be verified with the manufacturer.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Related equipment

Applied To / Applications

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

Database Engine
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Database Management Module
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File Operation Engine
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Metadata Database Engine
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Industrial Ecosystem & Supply Chain Structure

Data Basis

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

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 12 October 2026

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