This is part 3 in our series on how we upgraded our Elasticsearch cluster without any downtime and with minimal user impact. As part of the Elasticsearch Upgrade project, we needed to investigate the search performance improvements between the old and the new versions. Running an older version of Elasticsearch has presented...
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How we upgraded an old, 3PB large, Elasticsearch cluster without downtime. Part 4 - Tokenization and normalization for high recall in all languages
This is part 4 in our series on how we upgraded our Elasticsearch cluster without any downtime and with minimal user impact. In part 2 we explained that we decided to do a full reindexing of our entire dataset as part of this Elasticsearch upgrade project. This blog post explains some of the changes we made to our documents during... Read the story