Build & test Apache Hawq

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GPORCA is newly open source advanced query optimizer that is a subproject of Greenplum Database open source project. GPORCA is the query optimizer used in commercial distributions of both Greenplum and HAWQ. In these distributions GPORCA has achieved 1000x performance improvement across TPC-DS queries by focusing on three distinct areas: Dynamic Partition Elimination, SubQuery Unnesting, and Common Table Expression. Now that GPORCA is open source, we are looking for collaborators to help us realize the ultimate dream for GPORCA - to work with any database. The new breed of data management systems in Big Data have to process so much data that optimization mistakes are magnified in traditional optimizers. Furthermore, coding and manual optimization of complex queries has proven to be hard. In this session, Venkatesh will discuss: - Overview of GPORCA - How to add GPORCA to HAWQ with a build option - How GPORCA could be made to work with any database - Future vision for GPORCA and more immediate plans - How to work with GPORCA, and how to contribute to GPORCA

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1. Build & Test Apache Hawq Zhanwei Wang zwang@pivotal.io

2. About Me Apache HAWQ committer linkedin: https://cn.linkedin.com/in/wangzw github: https://github.com/wangzw page: http://www.wangzw.org

3. Outline Requirement to build hawq Setup build & test environment Build and Test Do everything with Docker Demo & QA

4. Requirement Build OS: Centos 7 Depend packages (libraries and headers) Java Development Kits (7+) Python development package (optional, 2.7) GCC and other build utilities Apache Maven (3.0) Test OS: Centos 7 Depend packages (libraries) Java Runtime Environment(7+) Python 2.7 GCC and other build utilities Apache HDFS

5. Setup Build Env On CentOS 7 We can install everything with Yum. Extra yum repositories are required: epel for libgsasl ... bintray-wangzw-rpm for libhdfs3 JAVA_HOME should be set correctly Find script on github: https://gist.github.com/wangzw/26accf185caa081ae069

6. Setup Test Env On CentOS 7 Non-root user is required SSH connection should work without password A working Apache HDFS cluster with at least 3 datanodes HDFS should support “append” and “truncate” features

7. Build Apache HAWQ Get source code git clone https://github.com/apache/incubator-hawq.git /path/hawq_src Build and install libyarn mkdir -p /path/hawq_src/depends/libyarn/build cd /path/hawq_src/depends/libyarn/build && ../bootstrap --prefix=/usr/ make && sudo make install && ldconfig

8. Build Apache HAWQ (cont.) Build and install Apache HAWQ cd /path/hawq_src ./configure --prefix=/path/to/install make && make install

9. Test Apache HAWQ Initialize an Apache HAWQ single node cluster modify /path/to/install/etc/hawq-site.xml with HDFS information source /path/to/install/greenplum_path.sh hawq init cluster

10. Test Apache HAWQ (cont.) Run install check with schedule named GOOD cd /path/hawq_src source /path/to/install/greenplum_path.sh make installcheck-good

11. Build & Test with Docker Following the instruction to setup build & test env with docker https://github.com/wangzw/hawq-devel-env Docker images can be found at https://hub.docker.com/r/mayjojo/hawq-devel/ https://hub.docker.com/r/mayjojo/hawq-test/

12. Demo & QA More Information https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=61320026

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