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Posts with tag "Migration"

Feb7

Moving from Cassandra to Scylla via Apache Spark: The Scylla Migrator

Scylla and Spark

Welcome to a whole new chapter in our Spark and Scylla series! This post will introduce the Scylla Migrator project – a Spark-based application that will easily and efficiently migrate existing Cassandra tables into Scylla. Over the last few years, ScyllaDB has helped many customers migrate from existing Cassandra installations to a Scylla deployment. The migration approach is detailed in this document. Briefly, the process is comprised of several phases: Create an identical schema in Scylla to hold the data; Configure the application to perform dual writes; Snapshot the historical data from Cassandra and load it into Scylla; Configure the […]

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Oct3

Scylla Summit Preview: Kiwi.com Migration to Scylla: The Why, the How, the Fails and the Status

Scylla Summit Preview: Kiwi.com Migration to Scylla: The Why, the How, the Fails and the Status

In the run-up to Scylla Summit 2018, we’ll be featuring our speakers and providing sneak peeks at their presentations. This interview in our ongoing series is with Martin Strycek of Kiwi.com. His presentation at Scylla Summit is entitled Kiwi.com Migration to Scylla: The Why, the How, the Fails and the Status. Martin, before we get into the details of your talk, we’d like to get to know you a little better. Outside of technology, what do you enjoy doing? What are your interests and hobbies? Thank you for the great opportunity to speak at Scylla Summit. I really like outdoor […]

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Dec19

Making the Move: Migrating to Scylla

migrate

  For the past two years, we have helped users build fast, resilient, and stable applications with Scylla, an enterprise-grade database solution. During these two years, our early adopters migrated from a variety of database solutions, and while most of the migrations we successfully completed were Apache Cassandra (enterprise and open-source versions), we have seen users migrate from MongoDB, HBase, relational systems such as MySQL and Postgres, and key/value stores like Memcache and Redis. Migration strategies differ between users and systems. In general, we can divide Apache Cassandra-to-Scylla migrations into two main strategies, cold migration and hot migration. Cold Migration […]

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Nov13

New Docs: 4 Phases to Migrate from Apache Cassandra to Scylla

Apache Cassandra may have served you well. But alas, nothing is ever perfect, so you’re looking to migrate. Typically sub-millisecond consistency, performance of various operations, compaction, as well as read/write latency (especially under heavy loads) can be less than optimal.

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