Brisk meetup

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Introductory ideas for Brisk.

http://datastax.com/brisk

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Brisk meetup

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

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