Large Hadron Migrator VS Lol DBA

Compare Large Hadron Migrator vs Lol DBA and see what are their differences.

Large Hadron Migrator

Online MySQL schema migrations (by soundcloud)

Lol DBA

lol_dba is a small package of rake tasks that scan your application models and displays a list of columns that probably should be indexed. Also, it can generate .sql migration scripts. (by plentz)
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Large Hadron Migrator Lol DBA
3 1
1,759 1,452
0.5% -
0.0 4.4
over 2 years ago 5 days ago
Ruby Ruby
BSD 3-clause "New" or "Revised" License MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
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.

Large Hadron Migrator

Posts with mentions or reviews of Large Hadron Migrator. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-12-03.
  • GitHub downtime root cause analysis
    4 projects | reddit.com/r/programming | 3 Dec 2021
    No you didn't. They're doing what is often referred as "online schema change" using https://github.com/github/gh-ost (but the concept is the same than percona's pt-online-schema-change, or https://github.com/soundcloud/lhm.
  • Database... or Goose?
    4 projects | reddit.com/r/ruby | 28 Jun 2021
    Is there anything similar for MySQL? There is https://github.com/soundcloud/lhm but it's pretty much outdated nowadays
  • Do you use migrations for data manipulations? What are the pro's and con's ?
    3 projects | reddit.com/r/rails | 17 Feb 2021
    I may do it from the console or a task if I wanted to modify a large number of records, e.g. something in my Users table. I think you need a sense of how long the update will take - I'm not sure if there's any issue with migrations timing out or such like. If I modify my Users schema it takes 5 minutes or so as it has to make a copy of the table and swap it in and that works fine - https://github.com/soundcloud/lhm

Lol DBA

Posts with mentions or reviews of Lol DBA. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-08-06.

What are some alternatives?

When comparing Large Hadron Migrator and Lol DBA you can also consider the following projects:

Rails DB - Rails Database Viewer and SQL Query Runner

PgHero - A performance dashboard for Postgres

Scenic - Versioned database views for Rails

SchemaPlus - SchemaPlus provides a collection of enhancements and extensions to ActiveRecord

Foreigner - Adds foreign key helpers to migrations and correctly dumps foreign keys to schema.rb

Upsert - Upsert on MySQL, PostgreSQL, and SQLite3. Transparently creates functions (UDF) for MySQL and PostgreSQL; on SQLite3, uses INSERT OR IGNORE.

Squasher - Squasher - squash your old migrations in a single command

Shiba - Catch bad SQL queries before they cause problems in production

BatchLoader - :zap: Powerful tool for avoiding N+1 DB or HTTP queries

Seedbank - Seedbank gives your seed data a little structure. Create seeds for each environment, share seeds between environments and specify dependencies to load your seeds in order. All nicely integrated with simple rake tasks.

DatabaseValidations - Database validations for ActiveRecord