Editorial Technical Reference

File Index Database

This page explains how File Index Database 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 structured database component within a File Manager system that stores and organizes metadata about files for efficient retrieval and management.

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Product Specifications

Technical details and manufacturing context for File Index Database

Definition

The File Index Database is a core component of a File Manager system that maintains a structured collection of metadata records for all managed files. It functions as the central repository for file attributes such as names, locations, sizes, creation/modification dates, permissions, and custom tags, enabling rapid search, sorting, filtering, and access operations without directly scanning the physical storage media. This database is designed to handle high volumes of file metadata, with storage capacity ranging from 1 to 64 TB (scalable with RAID configurations) and support for 100 to 1000 concurrent users. It provides indexing latency of 10 to 100 ms for files up to 1 GB, and search query response times of 0.5 to 2.0 seconds for 10 million indexed files. Metadata precision is maintained at ±0.01 ms for timestamp accuracy. The database operates within an ambient temperature range of 0 to 40 °C and storage humidity of 20 to 80% RH (non-condensing). Power consumption varies from 50 to 200 W depending on the number of drives, with auto-ranging input voltage of 100 to 240 V AC. Ingress protection ratings range from IP20 to IP54 (per IEC 60529) for industrial environments. The database type can be configured as SQL or NoSQL based on deployment needs. Maximum file size is limited by the file system, typically 1 to 16 TB. Indexing throughput ranges from 1000 to 10,000 files per second, and full backup of 10 TB data takes 1 to 24 hours. These values are reference ranges and must be verified with the manufacturer for specific models and applications.

Working Principle

The database operates by creating and maintaining index entries for each file added to the File Manager. When a file operation (e.g., search, open, move) is requested, the File Manager queries this database instead of scanning the entire filesystem. It uses data structures (like B-trees or hash tables) optimized for fast lookups, updates, and relational queries on file metadata. Changes to files trigger updates to the corresponding index records to ensure consistency.

Common Materials

Digital Data Storage Media

Technical Parameters

Parameter	Typical range	Notes & selection driver
Storage Capacity	1–64 TB	Scalable with RAID configurations
Max Concurrent Users	100–1000 users	Performance degrades beyond this range
Indexing Latency	10–100 ms	For files up to 1 GB
Search Query Response Time	0.5–2.0 s	For 10 million indexed files
Metadata Precision	±0.01 ms	Timestamp accuracy for file operations
Operating Temperature	0–40 °C	Outside this range, performance may degrade
Storage Humidity	20–80 % RH	Non-condensing
Power Consumption	50–200 W	Depends on number of drives
Input Voltage	100–240 V AC	Auto-ranging
Ingress Protection	IP20–IP54	Higher IP for industrial environmentsIEC 60529
Database Type	SQL/NoSQL	Configurable based on deployment
Max File Size	1–16 TB	Limited by file system
Indexing Throughput	1000–10000 files/s	Depends on hardware
Backup Time	1–24 h	For full backup of 10 TB data

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

Index Table Part
Stores the core file metadata records with unique identifiers and attributes.

Material: database_table
Query Engine
Processes search and retrieval requests against the index data.

Material: software_module
Cache Layer Part
Stores frequently accessed index data in memory for faster response times.

Material: ram_memory

Applied To / Applications

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

File Manager

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Manufacturers of File Index Database

Manufacturer profiles associated with File Index Database.

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Frequently Asked Questions

What is the typical storage capacity of the File Index Database?

The reference storage capacity ranges from 1 to 64 TB, scalable with RAID configurations. Actual capacity depends on the specific deployment and hardware.

How does the database handle concurrent users?

It supports 100 to 1000 concurrent users. Performance may degrade beyond this range, so it is important to size the system according to expected load.

What is the indexing latency for files up to 1 GB?

Indexing latency is typically 10 to 100 ms for files up to 1 GB. This can vary based on hardware and system load.

What environmental conditions are required for operation?

The database operates in temperatures from 0 to 40 °C and storage humidity of 20 to 80% RH (non-condensing). Ingress protection ranges from IP20 to IP54, depending on the enclosure.

Data Basis

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

Preliminary Technical Classification

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pressure:	N/A (digital component)
other spec:	Max file entries: 10 million, Query latency: <100ms for 95% of requests, Data throughput: 10,000 operations/second
temperature:	0°C to 50°C (operating), -10°C to 60°C (storage)

File Index Database

Product Specifications

Applied To / Applications

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