@gosquared/es-migrate
Advanced tools
Readme
Tool to help set up and run elasticsearch migrations.
npm i -g @gosquared/es-migrate
Create a new migration project:
es-migrate init es-migrate-1
Change to project directory. See readme for further instructions.
cd es-migrate-1
cat README.md
We were finally upgrading our 2.3 cluster to 7.x. Due to breaking changes, some mappings needed to be changed and documents reindexed. It is easier to migrate direct from 2.x to 7.x than stepping through 5.x and 6.x, although not 'easy' to do either!
Breaking changes that affected us:
The Elasticsearch Reindex API is useful but has limited transform options.
Since we work in Javascript we found it easiest to write our transforms in JS.
If we were to upgrade via 5.x and 6.x, we would need to make our services compatible with each version. Also, each node in the cluster would need to be cycled, involving manual patching and restarting the node - a labour intensive process.
git config blame.ignoreRevsFile .ignore-revs
FAQs
Tool to migrate documents from one cluster to another.
We found that @gosquared/es-migrate demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 3 open source maintainers collaborating on the project.
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