Author: Simon Gao

OLTP workload performance improvement in Greenplum 6

Greenplum 6 contains multiple optimizations for OLTP scenarios, greatly improving the performance of simple query, insert, delete, and update operations in high concurrent situations. These improvements include: Updating the PostgreSQL kernel version to 9.4. This update brings a new set of features while also improving the overall performance of the system. For example, the introduction…
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GPExpand improvement in Greenplum 6.0

Gpexpand is a cluster expansion tool for Greenplum. It can provide more storage space and computing capacity by adding new hardware to an existing cluster. First its important to understand that a Greenplum cluster consists of many database segments. You can think of segments as the individual postgres databases that all store and process a…
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