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Data processing technique to eliminate duplicate copies of repeating data
In computing, data deduplication is a technique for eliminating duplicate copies of repeating data. Successful implementation of the technique can improve
Data_deduplication
Topics referred to by the same term
Look up deduplication in Wiktionary, the free dictionary. The term deduplication refers generally to eliminating duplicate or redundant information. Data
Deduplication
Kernel feature to share memory pages between multiple processes or virtualised guests
also known as kernel shared memory, memory merging, memory deduplication, and page deduplication is a kernel feature that makes it possible for a hypervisor
Kernel_same-page_merging
Stored data in computer systems
called deduplication. It can occur on a server before any data moves to backup media, sometimes referred to as source/client side deduplication. This approach
Backup
messages to be broken into conveniently-sized smaller "chunks". In data deduplication, data synchronization and remote data compression, Chunking is a process
Chunking_(computing)
Malicious archive file designed to disrupt the program or system reading it
mitigation, filesystems with transparent compression and/or transparent deduplication tend to suffer less from zip bombs as these operations reduce the space
Zip_bomb
Copy-on-write file system
when using deduplication, which can cause performance to plummet, or result in complete memory starvation.[citation needed] Because deduplication occurs at
ZFS
Free and open-source backup software
object-storage services. Notable features include: client-side encryption; deduplication of backup data; incremental backup snapshots; repository checking and
Restic
Data deduplication storage system
Dell EMC Data Domain was Dell EMC’s data deduplication storage system. Development began with the founding of Data Domain, and continued since that company’s
Dell_EMC_Data_Domain
software. Single-instance storage is a simple variant of data deduplication. While data deduplication may work at a segment or sub-block level, single-instance
Single-instance_storage
mirrored systems. As data is stored on the system, technologies such as deduplication and compression may store data at a greater than 1-to-1 data size-to-space
Storage_efficiency
appliance. Albireo SDK – a software development kit designed to add data deduplication to hardware devices or software applications that benefit from sharing
Permabit
handling very large files like operating system images. It has block-based deduplication and optional par2-based error correction. Bup development began in 2010
Bup
Digital identifier derived from the data by an algorithm
people for practical purposes. This fingerprint may be used for data deduplication purposes. This is also referred to as file fingerprinting, data fingerprinting
Fingerprint_(computing)
Proprietary file system developed by Microsoft
automated error-correction is only supported on mirrored spaces. Data deduplication was missing in early versions of ReFS. It was implemented in v3.2, debuting
ReFS
ZFS, originally developed by Sun Microsystems, with proprietary data deduplication features added by GreenBytes and subsequently made proprietary for a
ZFS+
Type of hash function
practice the distribution of split-sizes were wider than Rabin, making deduplication results about 1% poorer for the typical cases and 6% poor for the worst
Rolling_hash
Copy-on-write file system
between snapshots to a binary stream) Incremental backup Out-of-band data deduplication (requires userspace tools) Ability to handle swap files and swap partitions
Btrfs
File system from DragonFly BSD
checksums to deal with data corruption. HAMMER also supports data block deduplication, meaning that identical data blocks will be stored only once on a file
HAMMER_(file_system)
through deduplication (in development) No Box Backup ? No No Bup Yes Yes, chunk deduplication No Yes (Par2) Yes ? Yes, through deduplication Yes No cpio
Comparison_of_backup_software
Backup software
Microsoft Exchange Server, DB2, and Teradata. Quest Software offers data deduplication, and protection for NAS filers (NDMP). NetVault Backup is based on a
NetVault_Backup
Machine learning model for speech
language identification and matching with transcripts, fuzzy deduplication, and deduplication with evaluation datasets to avoid data contamination. Speechless
Whisper (speech recognition system)
Whisper_(speech_recognition_system)
Open-source implementation of ZFS file system
ZFS, the implementation supports features like data compression, data deduplication, copy-on-write clones, snapshots, RAID-Z, and virtual devices that can
OpenZFS
Journaling file system for IRIX and Linux
set of planned features: snapshots, copy-on-write (COW) data, data deduplication, reflink copies, online data and metadata scrubbing, highly accurate
XFS
Hardware company
added many features/functions such as zone level deduplication, adaptive deduplication, global deduplication, scale to 2.7PB full backups, 32 appliances in
ExaGrid
of their files. At the heart of the complaint was the policy of data deduplication, where the system checks if a file has been uploaded before by any other
Criticism_of_Dropbox
Identifier system for audiovisual objects
The Entertainment Identifier Registry, or EIDR, is a global unique identifier system for a broad array of audiovisual objects, including motion pictures
EIDR
Backup and disaster recovery software
Replication decreases backup files size and data traffic with built-in data deduplication and compression. There is support for deduplicating storage systems
Veeam_Backup_&_Replication
American software company
partnership to provide virtual tape library solutions[buzzword] with deduplication for mainframes. Channel Gateway (CGX) is mainframe virtual tape controller
Luminex_Software
Open source command line archiver for Windows and Linux
last-modified date has changed since the previous update. It compresses using deduplication and several algorithms (LZ77, BWT, and context mixing) depending on
ZPAQ
File system from DragonFly BSD
to support enhanced clustering. HAMMER2 supports online and batched deduplication, snapshots, directory entry indexing, multiple mountable filesystem
HAMMER2
American IT company
GreenBytes was an American company providing inline deduplication data storage appliances and cloud-scale IO-Offload systems. Robert Petrocelli founded
GreenBytes
Brand name of computer data storage products
appliances utilize the iTX architecture, which includes features such as deduplication and compression, SSD caching and SSD tiering, automated tiered storage
StorTrends
Storage operating system
Inline Aggregate-wide data deduplication (IAD) and Post-process aggregate deduplication also known as Cross-Volume Deduplication[citation needed] share common
ONTAP
Type of computer data storage
environment may also provide policy management for features such as data deduplication, replication, thin provisioning, snapshots, copy-on-write clones, tiering
Software-defined_storage
American technology company
data deduplication technology, providing typical data reduction ratios of 15:1 or 93%. The company offers both target and source-based deduplication as
Quantum_Corporation
Type of NTFS file system object
April 2019). "Introduction to Data Deduplication in Windows Server 2012". Microsoft Tech Community. "Data Deduplication interoperability". docs.microsoft
NTFS_reparse_point
Read-only file system for Linux
Linux 5.13. Direct I/O, Direct Access (DAX) support, chunk-based data deduplication for uncompressed files since Linux 5.15. Multiple device support for
EROFS
Free and open-source operating system
supports configurable file system history, snapshots, checksumming, data deduplication and other features typical for file systems of its kind. HAMMER2, the
DragonFly_BSD
Australian computer scientist and entrepreneur
who has made significant contributions to data compression and data deduplication technologies. He is best known as the inventor of the US patent 5,990
Ross_Williams
Backup and recovery software from Arctera
VMware, and Linux, among others. Backup Exec also provides integrated deduplication, replication, and disaster recovery capabilities and helps to manage
Backup_Exec
Dell storage products. The most notable examples were the DR-family of deduplication appliances, launched in 2012, and integration of dedupe into Dell's
Ocarina_Networks
Deduplicating backup program
of the internal workings. It uses a rolling hash to implement data deduplication for all data in single repository. Compression defaults to lz4, encryption
Borg_(backup_software)
Behavior tracking for digital marketing
control and change history (audit trail) to maintain accountability Tag deduplication and asynchronous loading to improve page performance Support for A/B
Tag_management_system
US data storage company
with the $25 million purchase of a data deduplication software company called StorReduce, a data deduplication software company. In April 2019, the company
Everpure
Disk storage system
that an array has cache memory and advanced functionality, like RAID, deduplication, encryption and virtualization. Components of a disk array include:
Disk_array
Computer file consisting of the contents of a storage device
only store allocated data to reduce storage space. Compression and deduplication are commonly used to further reduce the size of image files. Disk imaging
Disk_image
Storage of digital data readable by computers
Memory leak Memory protection Page address register Stable storage Data deduplication Data proliferation Data storage tag used for capturing research data
Computer_data_storage
NEC HYDRAstor is a disk-based grid storage system with data deduplication for backups and archiving, developed by NEC Corporation. A HYDRAstor storage
NEC_HYDRAstor
system creation implementations reuse block references and support deduplication this way. This is not supported by the standard, but usually works well
Comparison_of_file_systems
Operation of checking the integrity of file
is not detected by a CRC comparison.[citation needed] Checksum Data deduplication "Checksum". NIST. "NIST's policy on hash functions" Archived 2011-06-09
File_verification
Computer memory type used for data preservation
Distributed database Database Data bank Data storage Data store Data deduplication Data structure Data redundancy Replication (computing) Memory refresh
5D_optical_data_storage
Task of finding records in a data set that refer to same entity across different sources
disambiguation/linking", "fuzzy matching", "duplicate detection", "deduplication", "record matching", "(reference) reconciliation", "object identification"
Record_linkage
Recording of information in a storage medium
Distributed database Database Data bank Data storage Data store Data deduplication Data structure Data redundancy Replication (computing) Memory refresh
Data_storage
Computer science problem
be more than one longest common substring. Applications include data deduplication and plagiarism detection. Unlike the longest common subsequence problem
Longest_common_substring
National identity card of Pakistan
scans and fingerprints. In 2007 NADRA began implementing fingerprint deduplication for national ID card issuance. By 2008, the data architecture was enhanced
CNIC_(Pakistan)
Topics referred to by the same term
redundancy, either wanted or unwanted (in which case one resorts to data deduplication) Content copying through cut, copy, and paste File copying Duplication
Duplication
Encryption method
the provider having access to the encryption keys. The combination of deduplication and convergent encryption was described in a backup system patent filed
Convergent_encryption
Chinese-American computer scientist
work on Distributed Shared Memory (DSM) and co-founding the storage deduplication company Data Domain Inc. which was acquired by EMC Corporation in 2009
Kai_Li
System for versioning updates of Linux-based operating systems
eos-updater. Flatpak, used to store applications and runtimes and to provide deduplication. Fedora's atomic spins (Silverblue, Kinoite, Budgie Atomic, and Sway
OSTree
Metric that measures the distance between two strings of text
analysis, image analysis, evidence-based machine learning, database data deduplication, data mining, incremental search, data integration, malware detection
String_metric
Internet hosting service for user files
Since secret key encryption results in unique files, it makes data deduplication impossible and therefore may use more storage space. Convergent encryption
File-hosting_service
Copy-on-write file system
S3 storage and back if needed for SSD aggregates, and Cross Volume Deduplication within an aggregate with maximum of 800TiB for each aggregate. WAFL
Write_Anywhere_File_Layout
Peer-to-peer file sharing protocol
download. The v2 format also hashes each file individually, enabling deduplication across torrents. If multiple torrents include identical files, a client
BitTorrent
American open source software company
Acquires Permabit Assets, Eases Barriers to Cloud Portability with Data Deduplication Technology". Red Hat. July 31, 2017. "Red Hat to Acquire CoreOS, Expanding
Red_Hat
Cohesive synthesis of information
Examples of technologies available to integrate information include deduplication, and string metrics which allow the detection of similar text in different
Information_integration
Software library for similarity search
without changing the measured distances Principal component analysis Data deduplication, which is especially useful for image datasets. FAISS has a standalone
FAISS
Clustered file system
files ~130,690 (VMFS5) Features Transparent compression No Transparent encryption No Data deduplication No Other Supported operating systems VMware ESX
VMware_VMFS
data. Primary technologies used for capacity optimization are data deduplication and data compression. These are delivered as software or hardware, integrated
Capacity_optimization
Electronic non-volatile computer storage device
Distributed database Database Data bank Data storage Data store Data deduplication Data structure Data redundancy Replication (computing) Memory refresh
Flash_memory
Lossless compression algorithm
(October 2017), zstd optionally implements very-long-range search and deduplication (--long, 128 MiB window) similar to rzip or lrzip. Compression speed
Zstd
Repeated fragment of computer source code
problem that may be commonly used but is generally a bad choice Data deduplication – Data processing technique to eliminate duplicate copies of repeating
Duplicate_code
Memory card format
Distributed database Database Data bank Data storage Data store Data deduplication Data structure Data redundancy Replication (computing) Memory refresh
MultiMediaCard
original on 2011-10-13. Retrieved 2010-07-01. "Dell Acquires Storage Deduplication Vendor Ocarina Networks (2010/07/20)". channelinsider.com. Retrieved
List of Dell ownership activities
List_of_Dell_ownership_activities
Data storage device
Distributed database Database Data bank Data storage Data store Data deduplication Data structure Data redundancy Replication (computing) Memory refresh
Semiconductor_memory
Computer data storage server
NAS intended for storing backup data. PBBAs typically include data deduplication, compression, RAID 6 or other redundant hardware components, and automated
Network-attached_storage
goals and exceeded our expectations by starting and completing the deduplication process in record time, and they were able to identify millions of duplicates"
Neurotechnology_(company)
Free and open-source Unix-like operating system
improvements, including the addition of a new allocation algorithm, as well as deduplication and block cloning optimizations. This version is compatible with FreeBSD
FreeBSD
Peer-to-peer web-based torrent client
Synthetic Versioning Features Case preservation Copy-on-write Data deduplication Data scrubbing Execute in place Extent File attribute Extended file
WebTorrent
Form of computer data storage
Distributed database Database Data bank Data storage Data store Data deduplication Data structure Data redundancy Replication (computing) Memory refresh
Random-access_memory
Journaling file system for Linux
POSIX ACLs Transparent compression No Transparent encryption Yes Data deduplication No Copy-on-write No Other Supported operating systems Linux FreeBSD
Ext4
Version control system
uses content addressed storage based on hashes to achieve automatic deduplication, integrity validation, and efficient caching. Revisions use Merkle trees
Lore_(version_control_system)
Flat, usually circular disc that encodes binary data
Distributed database Database Data bank Data storage Data store Data deduplication Data structure Data redundancy Replication (computing) Memory refresh
Optical_disc
and separation of concerns between the host and guest kernels through deduplication of filesystem and block layer storage management. FVD can be written
Fast_Virtual_Disk
no one ever talks about them, many folks never hear of them". Data deduplication reduces the disk space needed to store the backups in the disk pool
BackupPC
System or list for multiple mail recipients
legitimate list holders provide their customers with listwashing and data deduplication service regularly for no charge or a small fee.[citation needed] CAN-SPAM
Mailing_list
Open-source distributed vector database
the following large scale operations, applicable for vectors: Data deduplication Clustering Anomaly detection Milvus can be deployed as an embedded database
Milvus_(vector_database)
Enterprise storage platform
regardless of the size of the cluster. XIOS features global inline deduplication and compression, thin provisioning, snapshot architecture, XDP Data
Dell_EMC_XtremIO
Computer memory that does not lose its contents after being turned off
Distributed database Database Data bank Data storage Data store Data deduplication Data structure Data redundancy Replication (computing) Memory refresh
Non-volatile_memory
Software product
2011-07-04 at the Wayback Machine: Encryption File System Opendedup CDFS: Deduplication Based File System Dokan NFC: RFID / NFC File System vramfs on Windows:
Dokan_Library
Compact encoding of digital data
nowadays also an in-loop filtering step. In the prediction stage, various deduplication and difference-coding techniques are applied that help decorrelate data
Data_compression
Linux distribution for backup of virtual machines, containers, and physical hosts
Proxmox Backup Server is written mostly in Rust and implements data deduplication to reduce the storage space needed. Data is split into chunks. Development
Proxmox_Backup_Server
Data storage virtualization technology
data deduplication behind its Channel Gateway platform. With the consequent reduction in off-site replication bandwidth afforded by deduplication, it is
Virtual_tape_library
Electro-mechanical data storage device
Distributed database Database Data bank Data storage Data store Data deduplication Data structure Data redundancy Replication (computing) Memory refresh
Hard_disk_drive
Data recording made of plastic film
Distributed database Database Data bank Data storage Data store Data deduplication Data structure Data redundancy Replication (computing) Memory refresh
Magnetic_tape
Practice for controlling corporate data
databases. Ideally, database administrators resolve this problem through deduplication of the master data as part of the merger. Over time, as further mergers
Master_data_management
Algorithm for indexing of words by their pronunciation
based on the Soundex code all three variations will be returned. Data deduplication efforts use phonetic algorithms to easily bucket records into groups
Phonetic_algorithm
Form of non-volatile memory used in computers and other electronic devices
Distributed database Database Data bank Data storage Data store Data deduplication Data structure Data redundancy Replication (computing) Memory refresh
Read-only_memory
File archiver
modification, creation, last access times with high precision Optional file deduplication Advanced backup options, time-stamped files and previous file version
WinRAR
2-D grid of wires where data is represented by the presence or absence of diodes at nodes
Distributed database Database Data bank Data storage Data store Data deduplication Data structure Data redundancy Replication (computing) Memory refresh
Diode_matrix
DEDUPLICATION
DEDUPLICATION
DEDUPLICATION
DEDUPLICATION
Surname or Lastname
English (South Yorkshire)
English (South Yorkshire) : variant of Wigfall.
Boy/Male
Hindu
The name of a dynasty of king kaikobad
Girl/Female
Latin English
Noble. St. Patricia was a 7th century patron saint of Naples.
Male
Greek
Variant spelling of Greek Poseidonios, POSIDONIOS means "of Poseidôn."
Boy/Male
Tamil
God of river, Ocean, Hope
Surname or Lastname
English (East Midlands)
English (East Midlands) : habitational name from Hopwell in Derbyshire, named with Old English hop ‘valley’ + well(a) ‘spring’, ‘stream’.
Girl/Female
Hindu, Indian, Marathi
Milky; Holy River
Boy/Male
Australian, British, Danish, English, French
Purposeful Peace; Desires Peace
Girl/Female
Indian, Marathi
Born in Month of Shravan and on Nagpanchami
Girl/Female
Australian, Indian, Telugu
Rohini Nakshatra
DEDUPLICATION
DEDUPLICATION
DEDUPLICATION
DEDUPLICATION
DEDUPLICATION
n.
The division of that which is morphologically one organ into two or more, as the division of an organ of a plant into a pair or cluster.