Search Results for "concurrent"
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Showing 39 open source projects for "concurrent"
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DictDataBase
A python NoSQL dictionary database, with concurrent access and ACID
DictDataBase (DictDB) is a lightweight, Python-based in-memory database that uses dictionaries as its primary data structure. It provides a simple and efficient way to store, retrieve, and manipulate data without requiring an external database server. DictDB is useful for applications needing fast lookups, temporary storage, or embedded database functionalities. -
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pg_timetable
pg_timetable: Advanced scheduling for PostgreSQL
pg_timetable is a flexible job scheduler for PostgreSQL that allows scheduling of SQL or shell tasks directly within the database. It supports complex workflows, error handling, and dependency management, making it a powerful alternative to cron or external schedulers for database-related jobs. -
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DuckDB
DuckDB is an in-process SQL OLAP Database Management System
...For more information on the goals of DuckDB, please refer to the Why DuckDB page on our website. Processing and storing tabular datasets, e.g. from CSV or Parquet files. Interactive data analysis, e.g. Joining & aggregate multiple large tables. Concurrent large changes, to multiple large tables, e.g. appending rows, adding/removing/updating columns. Large result set transfer to client. For development, DuckDB requires CMake, Python3 and a C++11 compliant compiler. Run make in the root directory to compile the sources. For development, use make debug to build a non-optimized debug version. -
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pg_squeeze
A PostgreSQL extension for automatic bloat cleanup
pg_squeeze is a PostgreSQL extension that reclaims space in bloated tables without blocking read or write access. It provides a non-intrusive alternative to VACUUM FULL by creating a new compacted copy of the table in the background. It’s particularly useful for maintaining performance in large, heavily updated databases. -
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libmdbx
One of the fastest embeddable key-value ACID database
libmdbx (Lightning Memory-Mapped Database Extended) is a high-performance, key-value database library derived from LMDB (Lightning Memory-Mapped Database). It is designed for fast, scalable, and ACID-compliant data storage with minimal resource consumption. -
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With Advisory Lock
Advisory locking for ActiveRecord
with_advisory_lock is a Ruby gem that provides a simple and thread-safe way to use PostgreSQL advisory locks within Ruby applications. It allows developers to wrap critical code sections with database-level locks to prevent race conditions across concurrent processes or threads. It’s especially useful in distributed systems, background job processing, or scheduled tasks where application-level mutexes aren't sufficient. -
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Instant
Instant is a modern Firebase
Instant is a modern, frontend-friendly backend / real-time database system, designed to provide reactive, multiplayer data handling with relational query syntax, offline caching, optimistic updates, and automatic rollback. It is intended to be a simpler alternative to Firebase, making front-end development more seamless by offloading backend concerns (permissions, synchronization, querying) to Instant. So we built Instant. Instant gives you a database you can use in the client, so you can... -
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DBreeze Database
C# .NET NOSQL ( key value store embedded ) ACID database
DBreeze Database is a professional, open-source, multi-paradigm (embedded Key-Value store, objects, NoSql, text search, multi-parameter search, embedding vector database, vector similarity search/clustering, etc.), multi-threaded, transactional and ACID-compliant data management system for .NET5> / .NET Framework 3.5> / Xamarin MONO Android iOS / .NET Core 1.0> / .NET Standard 1.6> / Universal Windows Platform / .NET Portable / UNITY / CoreRT. -
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ShareDB
Realtime database backend based on Operational Transformation (OT)
ShareDB is a realtime database backend based on Operational Transformation (OT) of JSON documents. It is the realtime backend for the DerbyJS web application framework. Realtime synchronization of any JSON document. Synchronous editing API with asynchronous eventual consistency. Projections to select desired fields from documents and operations. Middleware for implementing access control and custom extensions. Ideal for use in browsers or on the server. In-memory implementations of database... -
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Turso Database
Turso is an in-process SQL database, compatible with SQLite
...It supports SQLite’s SQL dialect, file formats, and C API while adding newer database capabilities. The project is currently in beta, so it is best used with care and proper backups for production data. Turso includes support for concurrent writes through MVCC, change data capture, and faster schema management. It offers bindings and integrations across languages such as Rust, JavaScript, Go, Python, Java, .NET, and WebAssembly. The database also includes vector support, asynchronous Linux I/O with io_uring, and a built-in MCP server that lets AI assistants inspect and modify databases through structured tools. -
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lmdb-js
Simple, efficient, ultra-fast, scalable data store wrapper for LMDB
This is an ultra-fast NodeJS, Bun, and Deno interface to LMDB; probably the fastest and most efficient key-value/database interface that exists for storage and retrieval of structured JS data (objects, arrays, etc.) in a true persisted, scalable, ACID compliant database. It provides a simple interface for interacting with LMDB, as a key-value db, which makes it easy to fully leverage the power, crash-proof design, and efficiency of LMDB using intuitive JavaScript, and is designed to scale... -
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ArcticDB
ArcticDB is a high performance, serverless DataFrame database
...ArcticDB is designed with quant users in mind. It allows you to self-manage your data leveraging your preferred infrastructure. Giving you the keys to protect your most valuable asset. Supports large concurrent writes to many tables ensuring datasets can be onboarded fast and in the most convenient format. Scale-out architecture and built-in compression ensure that networks and storage are utilized efficiently. Support for DataFrames with thousands of columns enables large trading universes. -
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YugabyteDB
The high-performance distributed SQL database for global apps
...YugabyteDB reuses PostgreSQL’s query layer and supports all advanced features. Scale-out and in with zero impact. Proven in production to scale beyond 300K TPS, over 100TB of data, and thousands of concurrent connections. Achieve continuous availability during infrastructure failures and on maintenance tasks such as software upgrades and distributed backups. Use powerful replication and data geo-partitioning capabilities to achieve the latency, resilience, and compliance your applications need. Deploy YugabyteDB in public, private, and hybrid cloud environments, on VMs, containers, or bare metal. ... -
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MongoDB Rust Driver
The official MongoDB Rust Driver
...The driver supports common MongoDB features like CRUD operations, indexing, aggregations, change streams, and transactions, enabling full use of the database’s capabilities from Rust applications. Because it’s asynchronous by design, it works well with Rust async runtimes like Tokio and async-std, letting developers build highly concurrent networked services that efficiently use modern multicore hardware. The crate also includes BSON encoding and decoding that maps cleanly to Rust types, so developers can work with rich document structures while retaining Rust’s performance guarantees. -
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StarRocks
StarRocks is a next-gen sub-second MPP database for full analytics
...From streaming data to change data capture, StarRocks meets the data ingestion demands of real-time analytics. Scale storage and computing power horizontally and support tens of thousands of concurrent users. All of your BI tools work with StarRocks through standard SQL. StarRocks provides superior performance. It is also a unified OLAP covering most data analytics scenarios. -
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Nebula Graph
A distributed, fast open-source graph database
The graph database built for super large-scale graphs with milliseconds of latency. Optimized SUBGRAPH and FIND PATH for better performance. Optimized query paths to reduce redundant paths and time complexity. Optimized the method to get properties for better performance of MATCH statements. Nebula Graph adopts the Apache 2.0 license, one of the most permissive free software licenses in the world. Free as in freedom, because, under the Apache 2.0 license, you can use, copy, modify and... -
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HugeGraph
A graph database that supports more than 100+ billion data
HugeGraph is a convenient, efficient, and adaptable graph database compatible with the Apache TinkerPop3 framework and the Gremlin query language. HugeGraph supports fast import performance in the case of more than 10 billion Vertices and Edges Graph, millisecond-level OLTP query capability, and can be integrated into big data platforms like Hadoop or Spark for OLAP analysis. The main scenarios of HugeGraph include correlation search, fraud detection, and knowledge graph. Not only supports... -
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GT.M High end TP database engine
Industrial Strength NoSQL Application Development Platform
GT.M[tm] is a vetted industrial strength, transaction processing application platform consisting of a key-value database engine optimized for extreme transaction processing throughput & business continuity. Check https://fis-gtm.sourceforge.io/ for documentation -
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chb
Lightweight on-disk hash table for fast key-value storage in pure PHP
CHB (Colony Hash Bucket) is a lightweight on-disk hash table designed for simplicity, predictability, and fast key-value lookups. Data is organized into a fixed-size bucket directory that maps hash values to chains of records stored in a compact append-only area. Each record contains a pointer to the next record in the chain, a key-length field with deletion flag support, and a fixed-size payload area. Bucket count and record size are configurable at file creation time, allowing CHB to be... -
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Xodus
Transactional schema-less embedded database used by JetBrains
...It was initially developed for JetBrains YouTrack, an issue tracking and project management tool. Xodus is also used in JetBrains Hub, the user management platform for JetBrains' team tools, and in some internal JetBrains projects. Xodus is highly concurrent. Reads are completely non-blocking due to MVCC and true snapshot isolation. Xodus is schema-less and agile. It does not require schema migrations or refactorings. Xodus is embedded. It does not require installation or administration. There are three different ways to deal with data, which results in three different API layers: Environments, Entity Stores and Virtual File Systems. ... -
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MySQL Erlang client
ErlMySQL is a MySQL client (driver) written in Erlang.
...The client is using low level (TCP/IP socket) connection to MySQL server and allows to exchange a data with maximum possible speed. Multiple datasource support and connection pool are incapsulated in the client that increases a performance in concurrent environment. -
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sysbench
Scriptable database and system performance benchmark
...It is most frequently used for database benchmarks, but can also be used to create arbitrarily complex workloads that do not involve a database server. extensive statistics about rate and latency is available, including latency percentiles and histograms. Low overhead even with thousands of concurrent threads. sysbench is capable of generating and tracking hundreds of millions of events per second. New benchmarks can be easily created by implementing pre-defined hooks in user-provided Lua scripts. Can be used as a general-purpose Lua interpreter as well, simply replace #!/usr/bin/lua with #!/usr/bin/sysbench in your script. ... -
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Bolt
An embedded key/value database for Go
Bolt is a pure Go key/value store inspired by Howard Chu's LMDB project. The goal of the project is to provide a simple, fast, and reliable database for projects that don't require a full database server such as Postgres or MySQL. Since Bolt is meant to be used as such a low-level piece of functionality, simplicity is key. The API will be small and only focus on getting values and setting values. That's it. Bolt is stable, the API is fixed, and the file format is fixed. Full unit test... -
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SportWire is a website toolkit for high-speed high-volume collection, transformation and redistribution of documents. Sportwire is currently employed by xmlteam.com to translate multiple concurrent vendor news feeds into standard SportsML at over 20 documents per second.
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SimpleLoadGenerator
Generate predefined SQL load on a database
SimpleLoadGenerator allows you to generate load on a database by executing predefined SQLs from a file. This is perfect for e.g. re-executing captured SQL statements from a SQL log on a production database which provides more realistic testing compared to synthetic load generating tools.
