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LevelDB is an open-source on-disk key-value store written by Google fellows Jeffrey Dean and Sanjay Ghemawat. [ 2 ] [ 3 ] Inspired by Bigtable , [ 4 ] LevelDB source code is hosted on GitHub under the New BSD License and has been ported to a variety of Unix -based systems, macOS , Windows , and Android .
RocksDB, like LevelDB, stores keys and values in arbitrary byte arrays, and data is sorted byte-wise by key or by providing a custom comparator. RocksDB provides all of the features of LevelDB, plus: Transactions [16] Backups [17] and snapshots [18] Column families [19] Bloom filters [20] Time to live (TTL) support [21] Universal compaction [22]
.LDB Leveldb data file Google key-value storage library LDB.LDB MDB Database lock file Microsoft Access Database LDT: Labordatenträger, an xDT application Healthcare providers in Germany LGR LEDA graph data format. Commonly used exchange format for graphs. Stores a single, typed, directed, or undirected graph.
Emulator Latest version Released Guest emulation capabilities Host Operating System License Charon-AXP: 4.5 November 30, 2014: AlphaServer 4100, DS10, DS20, ES40, GS80, GS160, GS320 Windows, Linux Commercial Charon-AXP/SMA(+),/Station 2.2.39 November 20, 2013
FX!32 is a software emulator program that allows Win32 programs built for the Intel x86 instruction set to execute on DEC Alpha-based systems running Windows NT.Released in 1996, FX!32 was developed by Digital Equipment Corporation (DEC) to support their Alpha microprocessors.
Ahead of Super Bowl 2025, Kansas City Chiefs kicker Harrison Butker is looking back at his controversial Benedictine College commencement speech with no regrets.
As LMDB is memory-mapped, it can return direct pointers to memory addresses of keys and values through its API, thereby avoiding unnecessary and expensive copying of memory. This results in greatly-increased performance (especially when the values stored are extremely large), and expands the potential use cases for LMDB.
In some cases, emulators allow for the application of ROM patches which update the ROM or BIOS dump to fix incompatibilities with newer platforms or change aspects of the game itself. The emulator subsequently uses the BIOS dump to mimic the hardware while the ROM dump (with any patches) is used to replicate the game software. [7]