Hasten the import of mysqldump exports into mysql
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README.md

Hasten

Gem Version Build Status

Overview

Hasten speeds up the import of mysql dumps containing very large innodb tables with multiple indexes by setting certain mysql modes, removing all indexes from table definitions, and then altering the tables to add the indexes back once all inserts have been completed. Check out this blog post for more detail.

Install

gem install hasten

Usage

This Ruby gem provides an executable script hasten that can be used as follows to import SQL files exported from mysqldump.

cat DUMPFILE | hasten | mysql -uUSER -pPASSWORD DATABASE

To disable the default mode settings, which can sometimes require elevated privileges:

cat DUMPFILE | hasten --no-modes | mysql -uUSER -pPASSWORD DATABASE

Benchmark

Hasten comes with a benchmarking tool, and using gnuplot, you can make pretty graphs: Benchmark

License

Copyright (c) 2015 Derrick Parkhurst (derrick.parkhurst@gmail.com),

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.