Data warehouse in a PG environment
[2016-03-19 Sat 11:00] speaker: CK Tan @ Vitesse Data event: FOSSASIA 2016 ** postgres for data warehousing greenplum ** ELT with MPP (massively parallel processing) extract data from prod into MPP db compute aggregate in MPP push results back into prod ** LOFT: large optimized foreign table file based, partition aware, simple parquet format query using postgres foreign tables ** Vitesse DB: PostgreSQL for DW compile plan tree with LLVM 140 MB/s for heap table with postgres, improved to 18 GB/s ** hardware has obsoleted software db engines optimize for low IO IO has caught up utilizing compute is the new challenge