Michael Kjellman Michael Kjellman on

Making and implementing a C* Migration Plan
Migrating to a new database is hard: really hard. It’s almost impossible to do it perfectly. I’d like to break the migration issue into two parts: 1) maintaining integrity of your data during import and migration and 2) how to operationally plan and code a migration plan to migrate from MySQL to C* downtime free (fingers crossed!).

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Unknown author on

Matt Jurik (Software Developer, Hulu) gave an excellent talk at Cassandra Day Silicon Valley about Hulu's migration to Cassandra. The talk features awesome diagrams of Hulu's architecture with a focus on the Hugetop service. Hugetop tracks users' progress in content. Hulu has been able to scale this service to accommodate over 400 million monthly plays. Here are my favorite snapshots from the talk.

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Matt Jurik Matt Jurik on

Hulu users view 400 million videos and 2  billion advertisements each month. Hugetop is the service that allows users to track their progress in video content. The Hulu engineering team switched to a Cassandra-based architecture in the wake of unbounded data growth, MySQL servers that were running out of space, and the horrors of manual resharding.

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Geoffrey Anderson Geoffrey Anderson on

In this talk, Geoffrey Anderson from Box, discusses how Box made a shift from the Cacti monitoring system to OpenTSDB. He details the changes made to their servers as well as daily interactions with monitoring to increase agility in identifying and addressing changes in database behavior. This talk was recorded at the SF MySQL Meetup Group at Lithium Technologies.

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