go-memdb
tidb
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| go-memdb | tidb | |
|---|---|---|
| 3 | 27 | |
| 3,067 | 36,046 | |
| 1.6% | 0.8% | |
| 3.6 | 10.0 | |
| about 2 months ago | 7 days ago | |
| Go | Go | |
| Mozilla Public License 2.0 | Apache License 2.0 |
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.
go-memdb
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I created an in-memory SQL database called MemSQL as a learning project
For another in-memory database example, you could also check out https://github.com/hashicorp/go-memdb, but it's based on a radix tree implementation.
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Why use a real K/V database over a MapStore?
I just think its a glorified map. Yeah, for example go-memdb list some of its advantages in their https://github.com/hashicorp/go-memdb/blob/master/README.md README. But it is not clear whether you gain any performance gain over a map except for avoiding the locking as explained.
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An Unlikely Database Migration
>So we invested what probably amounts to two or three weeks of engineering time into designing in-memory indexes that are transactionally consistent
I'll be interested to see that part if it does get open sourced. I've used https://github.com/hashicorp/go-memdb which sounds similar.
tidb
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A MySQL compatible database engine written in pure Go
tidb has been around for a while, it is distributed, written in Go and Rust, and MySQL compatible. https://github.com/pingcap/tidb
Somewhat relatedly, StarRocks is also MySQL compatible, written in Java and C++, but it's tackling OLAP use-cases. https://github.com/StarRocks/starrocks
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Show HN: GitHub Organization Analytics
It's MySQL-Compatible database for scale and real-time analytics https://github.com/pingcap/tidb
- TiDB: An open-source distributed MySQL compatible database
- TiDB: Open-source, cloud-native, distributed, MySQL compatible database
- Embed hard-coded SQL into binaries for a cleaner look!
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Ask HN: Who is hiring? (January 2023)
PingCAP | https://www.pingcap.com | Database Engineer, Product Manager, Developer Advocate and more | Remote in California | Full-time
We work on a MySQL compatible distributed database called TiDB https://github.com/pingcap/tidb/ and key-value store called TiKV.
TiDB is written in Go and TiKV is written in Rust.
More roles and locations are available on https://www.pingcap.com/careers/
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Banco de dados puramente com go
Pesquise por CockroachDB ou TiDB
- MySQL-mimic - Python implementation of the MySQL server wire protocol.
- Apache Pegasus – A a distributed key-value storage system
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What is your experience with mixed workload (OLTP and OLAP) databases?
OLTP usually comes with high throughput of transactions, which means usually write(e.g., IUD - insert, update, delete) to read (e.g., select) ratio is above 4 or 5 or even higher. There are some good benchmarks to test OLTP workload like TPC-C (https://www.tpc.org/tpcc/), and some benchmarks to test OLAP workload like TPC-H (https://www.tpc.org/tpch/). For mixed or hybrid OLTP and OLAP (it's called HTAP, see this blog for some background https://en.pingcap.com/blog/the-beauty-of-htap-tidb-and-allo...), TPC-H was originally designed for this, however, it actually doesn't reveal the real world workload with several drawbacks. A newer research work from UC Berkeley proposed a HTAP benchmark called TAOBench (https://www.vldb.org/pvldb/vol15/p1965-cheng.pdf) which is pretty interesting and worthy to check.
For the HTAP systems, as mentioned in the above blog, there are quite a few industrial products, like Google just announced AlloyDB (https://cloud.google.com/alloydb), Snowflake's UniStore (https://www.snowflake.com/workloads/unistore/), and one of the most popular open source projects TiDB (https://github.com/pingcap/tidb) which have been deployed by many business applications.
Hopefully these may help a little bit :-)
What are some alternatives?
dbbench - 🏋️ dbbench is a simple database benchmarking tool which supports several databases and own scripts
vitess - Vitess is a database clustering system for horizontal scaling of MySQL.
badger - Fast key-value DB in Go.
cockroach - CockroachDB - the open source, cloud-native distributed SQL database.
buntdb - BuntDB is an embeddable, in-memory key/value database for Go with custom indexing and geospatial support
oceanbase - OceanBase is an enterprise distributed relational database with high availability, high performance, horizontal scalability, and compatibility with SQL standards.
bolt
InfluxDB - Scalable datastore for metrics, events, and real-time analytics
go-cache - An in-memory key:value store/cache (similar to Memcached) library for Go, suitable for single-machine applications.
go-mysql-elasticsearch - Sync MySQL data into elasticsearch
go-mysql - a powerful mysql toolset with Go