ydb
Scylla
| ydb | Scylla | |
|---|---|---|
| 10 | 19 | |
| 3,422 | 12,582 | |
| 1.7% | 1.4% | |
| 10.0 | 10.0 | |
| about 24 hours ago | about 2 hours ago | |
| C++ | C++ | |
| GNU General Public License v3.0 or later | GNU Affero General Public License v3.0 |
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.
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 ?
Scylla
- ScyllaDB: NoSQL data store using the seastar framework
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Database 101: How to Model Leaderboards for 1M Player's Game.
Then I decided to talk to my boss and ask him if I could work with the YARG guys and the condition was to create something cool enough to implement ScyllaDB (NoSQL Wide-column Database) since I'm working as a Developer Advocate there. You won't believe how the simplicity and scalability brought by ScyllaDB perfectly fit the needs of YARG.in!
- Potential for silent data loss on ScyllaDB 5.2.x
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Why ScyllaDB is Moving to a New Replication Algorithm: Tablets
ScyllaDB now has initial support for a new replication algorithm: tablets...
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What are some C++ projects with high quality code that I can read through?
Scylla which is a C++ implementation of the Cassandra distributed K:V store https://github.com/scylladb/scylladb
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Take Advantage of Git Rebase
What you say is impossible, we pretty successfully apply at ScyllaDB (see https://github.com/scylladb/scylladb/commits/master).
I'm not sure 100% of the commits compile & pass all tests - there may be some mistakes - but generally we're in a pretty good state, and the clean git log is being successfully used for bisecting.
If you want even larger scale - if I understand correctly, the Linux kernel practices a similar thing, which is where we got this practice from (ScyllaDB founders came from kernel development). And since Git was originally created to help developing Linux - that's where you want to look for good practices.
- Reducing logging cost by two orders of magnitude using CLP
- How Palo Alto Networks Replaced Kafka with ScyllaDB for Stream Processing
- Catch exceptions without even try-ing
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Databases inside or outside k8s cluster?
Examples: - Vitess - MySQL cluster - YugabyteDB - ScyllaDB - Couchbase - ArangoDB
What are some alternatives?
ClickHouse - ClickHouse® is a free analytics DBMS for big data
Apache HBase - Apache HBase
Aerospike - Aerospike Database Server – flash-optimized, in-memory, nosql database
Druid - Apache Druid: a high performance real-time analytics database.
MySQL - MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.
Apache Cassandra - Mirror of Apache Cassandra
ytsaurus - YTsaurus is a scalable and fault-tolerant open-source big data platform.
OpenTSDB - A scalable, distributed Time Series Database.
dqlite - Embeddable, replicated and fault-tolerant SQL engine.
druid - A data-first Rust-native UI design toolkit.
yugabyte-db - YugabyteDB - the cloud native distributed SQL database for mission-critical applications.
scylla-operator - The Kubernetes Operator for ScyllaDB