Brisk meetup
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Brisk meetup

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Introductory ideas for Brisk.

Introductory ideas for Brisk.

http://datastax.com/brisk

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Brisk meetup Brisk meetup Presentation Transcript

  • Brisk: Hadoop without the Ha derp
    • Easier to operate
      • SingleNode, Pseudo-distributed, Distributed
      • Scale and change nodes with no downtime
      • Cross Datacenter Clusters
    • Easier to use
      • Allocate resources for OLAP vs OLTP
      • No ETL
    Why Brisk?
    • HDFS Compatible Layer (CassandraFS)
      • 2 Column Families (inode, block)
      • No Namenode, Secondary Namenode. No SPOF.
      • hadoop distcp hdfs:///mydata cassandra:///mydata
    • JobTracker and TaskTracker management
      • 1 Seed node is elected JobTracker
      • No config for this
    • BriskSnitch splits cluster for OLAP and OLTP workloads
    • Hadoop and Hive Drivers for accessing Cassandra data
    4/28/11 Brisk Internals
    • Two types of access
      • Fixed column access (rowid, firstname, lastname, zip)
      • Dynamic column access (rowid,column,value)
    • Hive MetaStore in Cassandra
      • Unified schema view from any node. no SPOF.
    More on Hive
    • Low-Latency Side
      • Live tick prices for NASDAQ stocks
      • Thousands of Portfolios being maintained
    • Batch Analytics Side
      • Historical EOD Stock prices
      • Historical VAR (Value At Risk) calculation for each portfolio in using Hive
      • Risk number is written back to portfolio table in Cassandra
    Portfolio Demo
  •