Search Results for "reduce"
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Showing 35 open source projects for "reduce"
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Apache Phoenix
Mirror of Apache Phoenix
...The power of standard SQL and JDBC APIs with full ACID transaction capabilities and the flexibility of late-bound, schema-on-read capabilities from the NoSQL world by leveraging HBase as its backing store. Apache Phoenix is fully integrated with other Hadoop products such as Spark, Hive, Pig, Flume, and Map Reduce. Become the trusted data platform for OLTP and operational analytics for Hadoop through well-defined, industry-standard APIs. Apache Phoenix takes your SQL query, compiles it into a series of HBase scans, and orchestrates the running of those scans to produce regular JDBC result sets. Direct use of the HBase API, along with coprocessors and custom filters, results in performance on the order of milliseconds. -
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Rbatis
Rust High Performance compile-time ORM(RBSON based)
A highly Performant, Safe, Dynamic SQL(Compile-time) ORM framework written in Rust, inspired by Mybatis and MybatisPlus. Zero cost Dynamic SQL, implemented using (proc-macro,compile-time, Cow (Reduce unnecessary cloning)) techniques, don't need ONGL engine(mybatis) Free deserialization, Auto Deserialize to any struct(Option,Map,Vec...) High performance, Based on Future, with async_std/tokio, single threaded benchmark can easily achieve 200,000 QPS. logical deletes, pagination, py-like SQL and basic Mybatis functionalities. Supports logging, customizable logging based on log crate. 100% Safe Rust with #!... -
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Tarantool
Get your data in RAM, get compute close to data, enjoy the performance
In OLTP scenarios, Tarantool can be used instead of relational databases. Such a solution will work many times faster. With Tarantool, you can replace the traditional bundle of database & cache and reduce operational costs. Tarantool is tolerant of write-heavy loads. It also allows keeping full-featured applications close to the data, thus reducing data access network latency to zero. The open-source Community Edition lets you develop applications and speed up a system in operation. It features synchronous replication, affords easy scalability, and includes tools to develop efficient applications. ... -
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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 redistribute Nebula Graph, even for commercial purposes, all without asking for permission. ... -
MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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RisingWave
RisingWave: the next-generation streaming database in the cloud
RisingWave is a cloud-native streaming database that uses SQL as the interface. It is designed to reduce the complexity and cost of building real-time applications. RisingWave consumes streaming data, performs continuous queries, and updates results dynamically. As a database system, RisingWave maintains results in its own storage so that users can access data efficiently. RisingWave accepts data from sources like Apache Kafka, Apache Pulsar, Amazon Kinesis, Redpanda, and materialized CDC sources. ... -
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Apache Druid
A high performance real-time analytics database
Druid is designed for workflows where fast ad-hoc analytics, instant data visibility, or supporting high concurrency is important. As such, Druid is often used to power UIs where an interactive, consistent user experience is desired. Druid streams data from message buses such as Kafka, and Amazon Kinesis, and batch load files from data lakes such as HDFS, and Amazon S3. Druid supports most popular file formats for structured and semi-structured data. Druid has been benchmarked to greatly... -
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Logidze
Database changes log for Rails
Logidze is a Ruby on Rails extension that enables versioning for ActiveRecord models using PostgreSQL JSONB columns. It stores change history directly in the database, allowing applications to track, view, and restore previous states of a record without creating additional tables. Unlike traditional audit systems, Logidze is lightweight and fast, leveraging PostgreSQL’s capabilities for efficient data storage and retrieval. -
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Anti-Plagiarism - software designed to effectively detect and thereby prevent plagiarism. It is a versatile tool to deal with World Wide Web copy-pasting information from the assignment of authorship. The goal of this program is to help reduce the impact of plagiarism on education and educational institutions. Checking documents in a format *.rtf, *.doc, *.docx, *.pdf Check the source code C, C++, C#, Java, ... Download - https://ap.km.ua/ Documentation - https://ap.km.ua/
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xsd2pgschema
Relational database replication tool based on XML Schema
xsd2pgschema is a Java application suite, which converts XML Schema 1.1 (hierarchical data model) to PostgreSQL DDL (relational data model) and supports XML data migration into PostgreSQL based on the XML Schema without defects on information content. It also supports full-text indexing via either Apache Lucene or Sphinx Search utilizing the relational data model. File conversion from XML to CSV, TSV, or JSON is possible as well as mapping XML Schema to JSON Schema. Obtained PostgreSQL... -
Add Two Lines of Code. Get Full APM.Works out of the box for Rails, Django, Express, Phoenix, and more. Monitoring exceptions and performance in no time.
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nonblonde
A Key/data Store
...Nonblonde tables are backed by b-trees that organize their nodes as critical bit trees. It allows multiple tables per store, atomic updates, keys of unlimited size. Head and tail key compression and a variable block size reduce the database disk size. Disk blocks are never modified in place, for which the written database is always in an intended state and does not need repair or recovery. -
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SnappyData
Memory optimized analytics database, based on Apache Spark
...One common use case for SnappyData is to provide analytics at interactive speeds over large volumes of data with minimal or no pre-processing of the dataset. For instance, there is no need to often pre-aggregate/reduce or generate cubes over your large data sets for ad-hoc visual analytics. This is made possible by smartly managing data in memory, dynamically generating code using vectorization optimizations, and maximizing the potential of modern multi-core CPUs. SnappyData enables complex processing on large data sets in sub-second timeframes. -
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log4db2
Logging utility for DB2 for LUW written in SQL-PL
...Its purpose is to provide an easy way to write messages from a SQL routine, with the possibility to query these messages directly from the database, allowing to monitor the progression of a process. This utility aims to reduce the time used for developing, testing, debugging and monitoring SQL routines, by centralizing the messages produced by the code. The idea and architecture of this utility are based on the popular Java logging utilities, such as Log4j and slf4j/logback. * Log4j - http://logging.apache.org/log4j * Logback/SLF4J - http://logback.qos.ch/ - http://www.slf4j.org/ The licenses of this project are: * For the source code is "BSD 2-Clause license"... -
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sled
The champagne of beta embedded databases
...If keys are the same length and sequential then the system can avoid storing 99%+ of the key data in most cases, essentially acting like a learned index. sled performs prefix encoding on long keys with similar prefixes that are grouped together in a range, as well as suffix truncation to further reduce the indexing costs of long keys. -
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Erlang Resource Pool
Resource Pool manages reusable resources among multiple processes.
Resource pool project is written in Erlang as a tiny library. The goal of the tool is reduce the overhead of creating new resources by reusing of the same resources among multiple processes. Achieving result is better performance and throughput. The resource pool was inspired by Java Apache's commons pool and adopts API and main principals from this project. Database connection is most popular example for pooling resource. -
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CStore FDW
Columnar storage extension for Postgres
cstore_fdw is a columnar store extension for PostgreSQL built by Citus Data using the Foreign Data Wrapper (FDW) interface. It stores data in a compressed, columnar format that significantly reduces disk I/O for analytical queries. Ideal for read-heavy workloads and time-series data, cstore_fdw enhances Postgres’ ability to serve as a lightweight data warehouse. -
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Smart Application Maker
Database application creator/builder/maker/producer/designer for user
Database application creator/builder/maker/producer/designer for user with zero programming knowledge. It is the smart version of Handy Application Maker. The objective is to optimize the usability and the user friendliness to produce software. -
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goleveldb
LevelDB key/value database in Go
...Corrupted DB can be recovered with Recover function. CompactRange compacts the underlying DB for the given key range. In particular, deleted and overwritten versions are discarded, and the data is rearranged to reduce the cost of operations needed to access the data. -
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Hitchhiker Tree
Functional, persistent, off-heap, high performance data structure
Hitchhiker-Tree is a functional, immutable, off-heap, snapshottable sorted map data structure (a persistent key-value tree) designed for scalable, high-performance storage in Clojure / ClojureScript systems. It blends ideas from fractal trees and B-trees, supports lazy loading, and can persist incrementally to arbitrary backends. It is used as a backend for systems like Datahike and can support enormous data sets while retaining functional persistence semantics. Outboard is a simple API for... -
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AvanceDB
An in-memory database based on the CouchDB REST API
AvanceDB is a high-performance, in-memory database designed to accelerate SQL-based applications. It uses advanced caching techniques to reduce database latency and improve query execution speed, making it ideal for real-time analytics and transactional workloads. -
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EventQL
Distributed "massively parallel" SQL query engine
EventQL is a distributed, column-oriented database built for large-scale event collection and analytics. It runs super-fast SQL and MapReduce queries. The community software … the ideal channel for companies and organizations looking for additional interactions with their community? The first AC Repair appeared in the Best AC Repair Miami research landscape as early as the end of the 2000s, but the great added value offered by these HVAC companies in Miami was not recognized or even... -
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Lovefield
Lovefield is a relational database for web apps
...Queries support joins, aggregations, ordering, pagination, and predicates, enabling complex client-side data operations with transactional semantics. The engine includes a cost-based optimizer and a planner that chooses index scans and join orders to reduce latency. Because it is embedded, apps can keep responsive, offline-capable experiences while synchronizing with a server on their own schedule. The library targets maintainable, testable data logic by abstracting away browser storage quirks behind a stable relational façade. -
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SQL Script Generator is a SQL code generator database building tool, aiming to reduce time of coding and debugging, speed up projects, reducing human errors and avoiding repetitive tasks. The initial goal of this prject was to to demonstrate basic coding structures, Visual Basic Language, SQL, .NET WinForms theming .
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mycorecms
CMS/CRM/DBMS Site Generator
MyCoreCMS is a lightweight jQuery driven CMS designed to easily build dynamic relational databases. With MyCoreCMS you can build something as simple as a forum to as complex as a customer relationship management tool tailored to your specific needs. -
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Model driven code generation can improve coding standards, speed, quality of development and reduce your costs. From my experience generating code from XML using XSLT is one of the best and fastest solutions. This is just the base of the framework presenting the idea, any code template can be implemented upon request. Some sample generators are present for SQL / PLSQL / C# / AnsiC / Java The main target is to generate DTO/BDO/POJO objects based on the database definitions in multiple languages aligning all technologies used by a development team. ...
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HareDB Data Model Management
A GUI tool for converting schema and migrating data from RDB to HBase
...This tool provides an merge table function, it can help you merge tables which have relationships in RDB. It provides not only an schama redesigner but also an data loader from RDB to HBase. This tool can reduce time cost of migration project which is from RDB to HBase.
