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Published on Aug 20, 2012
Session: Hastur: Open-Source Scalable Metrics with Cassandra Speaker: Noah Gibbs (Ooyala) Description: Ooyala recently open-sourced the Hastur monitoring system, backed by Cassandra. We present our Read-Write-Modify-free Cassandra schema for high-volume, variable-size time series data and how we use Btrfs LZO compression on disk to improve both storage space and retrieval time. We also describe the ZeroMQ routing architecture for our metrics, how scaling and fault-tolerance are guaranteed, and future directions for our work.