ydb
Aerospike
ydb | Aerospike | |
---|---|---|
10 | 16 | |
3,422 | 971 | |
1.7% | 1.5% | |
10.0 | 8.7 | |
about 23 hours ago | 30 days ago | |
C++ | C | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
ydb
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Erasure Coding versus Tail Latency
There https://ydb.tech/ open source db that uses erasure coding for replication in single zone/region.
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YDB – an open source distributed SQL database
This is a good source for features that may/may not already be existing.
https://github.com/ydb-platform/ydb/blob/main/ROADMAP.md
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Sqllogictest Illustrated
[YDB] implemented by Python
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Gitlab is splitting their main and ci Postgres databases
https://ydb.tech/ which each has promise.
There is definitely lots of progress to make in this space. From what I have seen they are all significantly slower on a single node and are not as battle-hardened. But I think with time we will have a few really nice options to pick from.
- Ask HN: Free and open source distributed database written in C++ or C
- YDB – distributed DBMS that combines HA, scalability, strict consistency, ACID
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Yandex Open-Sources YDB
I found a lot of mentions of "Postgresql" in repository: https://github.com/ydb-platform/ydb/search?q=postgresql
Is it build on top of PG ?
Aerospike
- System Design: Databases and DBMS
- Ask HN: Why are there no open source NVMe-native key value stores in 2023?
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Aerospike Driver for LINQPad
Aerospike for LINQPad 7 is a data context dynamic driver for interactively querying and updating an Aerospike database using “LINQPad”. The driver is free. For more information go to this blog post. You can directly download the driver from the LINQPad NuGet manager.
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Using In-Memory Databases in Data Science
Aerospike is a real-time cloud structured platform with good performance capabilities. This IMDB platform allows enterprises to perform their operations in real time through the hybrid memory and parallelism model.
- System Design: Caching, Content Delivery Networks (CDN) & Proxies.
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Block and Filesystem side-by-side with K8s and Aerospike
Block storage stores a sequence of bytes in a fixed size block (page) on a storage device. Each block has a unique hash that references the address location of the specified block. Unlike a filesystem, block storage doesn't have the associated metadata such as format-type, owner, date, etc. Also, block storage doesn’t use the conventional storage paths to access data like a filesystem file. This reduction in overhead contributes to improved overall access speeds when using raw block devices. The ability to store bytes in blocks allows applications the flexibility to decide how these blocks are accessed and managed, making block storage an ideal choice for low latency databases such as Aerospike. From a developer's perspective, a block device is simply a large array of bytes, usually with some minimum granularity for reads and writes. In Aerospike this granularity is configured and referred to as the write-block-size. The Aerospike Kubernetes Operator uses the storage infrastructure software inside of Kubernetes and the need for data platforms to use raw block storage becomes ever more important.
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Aerospike & IoT using MQTT
This example shows how the Aerospike database can be easily and scalably used to store industrial time series data made available by the MQTT ecosystem. Aerospike plus its Community Time Series Client streamlines the storage and retrieval of the data, supporting the ability to both write and read millions of data points per second if required.
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Building Large-Scale Real-Time JSON Applications
Real-time large-scale JSON applications need reliably fast access to data, high ingest rates, powerful queries, rich document functionality, scalability with no practical limit, always-on operation, and integration with streaming and analytical platforms. They need all this at low cost. The Aerospike Real-time Data Platform provides all this functionality, making it a good choice for building such applications. The Collection Data Types (CDTs) in Aerospike provide powerful support for modeling, organizing, and querying a large JSON document store. Visit the tutorials and code sandbox on the Developer Hub to explore the capabilities of the platform, and play with the Document API and query capabilities for JSON.
- System Design: NoSQL databases
- System Design: Caching
What are some alternatives?
ClickHouse - ClickHouse® is a free analytics DBMS for big data
dragonfly - A modern replacement for Redis and Memcached
Scylla - NoSQL data store using the seastar framework, compatible with Apache Cassandra
Redis - Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.
MySQL - MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.
yugabyte-db - YugabyteDB - the cloud native distributed SQL database for mission-critical applications.
ytsaurus - YTsaurus is a scalable and fault-tolerant open-source big data platform.
dqlite - Embeddable, replicated and fault-tolerant SQL engine.
neon - Neon: Serverless Postgres. We separated storage and compute to offer autoscaling, branching, and bottomless storage.
rupy - HTTP App. Server and JSON DB - Shared Parallel (Atomic) & Distributed