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CockroachDB - the open source, cloud-native SQL database.
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craig[bot] and lucy-zhang Merge #35972
35972: workload: make kv --max-block-bytes an inclusive upper bound r=lucy-zhang a=lucy-zhang

The `kv` workload takes arguments `--min-block-bytes` and `--max-block-bytes`
and was generating keys with a length chosen uniformly at random from the
interval that excludes `--max-block-bytes`. Also, since we were using
`Rand.Intn()`, using the same value for both args would cause a panic from
passing in 0. This change makes the upper bound inclusive, which seems to be
the intended behavior.

Release note: None

Co-authored-by: Lucy Zhang <lucy-zhang@users.noreply.github.com>
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README.md

CockroachDB

CockroachDB is a cloud-native SQL database for building global, scalable cloud services that survive disasters.

TeamCity CI GoDoc

What is CockroachDB?

CockroachDB is a distributed SQL database built on a transactional and strongly-consistent key-value store. It scales horizontally; survives disk, machine, rack, and even datacenter failures with minimal latency disruption and no manual intervention; supports strongly-consistent ACID transactions; and provides a familiar SQL API for structuring, manipulating, and querying data.

For more details, see our FAQ or architecture document.

Here’s a quick explainer video:

Status

CockroachDB is production-ready. See our Roadmap for a list of features planned or in development.

Docs

For guidance on installation, development, deployment, and administration, see our User Documentation.

Quickstart

  1. Install CockroachDB.

  2. Start a local cluster and talk to it via the built-in SQL client.

  3. Learn more about CockroachDB SQL.

  4. Use a PostgreSQL-compatible driver or ORM to build an app with CockroachDB.

  5. Explore core features, such as data replication, automatic rebalancing, and fault tolerance and recovery.

Client Drivers

CockroachDB supports the PostgreSQL wire protocol, so you can use any available PostgreSQL client drivers to connect from various languages.

Deployment

  • Test Deployment - Easiest way to test an insecure, multi-node CockroachDB cluster.
  • Production Deployments
    • Manual - Steps to deploy a CockroachDB cluster manually on multiple machines.
    • Cloud - Guides for deploying CockroachDB on various cloud platforms.
    • Orchestration - Guides for running CockroachDB with popular open-source orchestration systems.

Need Help?

Contributing

We're an open source project and welcome contributions. See our Contributing Guide for more details.

Engineering discussion takes place on our public mailing list, cockroach-db@googlegroups.com.

Design

For an in-depth discussion of the CockroachDB architecture, see our Architecture Guide.

For the original design motivation, see our design doc.

Comparison with Other Databases

To see how key features of CockroachDB stack up against other databases, visit the CockroachDB in Comparison page on our website.

See Also

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