Friday, November 20, 2015

Links of the day 20/11/2015: Open vSwitch conf, Postgres HA, Survey of Bigdata Systems

  • Yoke : Postgres redundancy/auto-failover solution that provides a high-availability PostgreSQL cluster. Note that solution like this one doesn't try to achieve any linearizable semantics, but to perform failure detection and fail over to some slave, with heuristics about what slave to pick. While the behavior of those systems is acceptable in many production situations (it's up to the product requirements to understand if it is ok that a given set of failure modes produce data loss and/or inconsistencies) but the important bit is that the semantics is very well documented so that users know what tradeoffs they are making.
  • A survey on big data systems : Detailed analyse and benchmark of  the value chain of Big data system and classify them into four sequential modules, namely data generation, data acquisition, data storage, and data analytic.
  • Open Virtual switch conference : all the slide deck and summary of the talks.

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