This document discusses how to contribute to the open source Impala project. It provides information on the types of contributions accepted, including code, bug reports, documentation and extensions. It outlines the contribution guidelines and code review process using Gerrit. The mailing lists for developers and users are also listed. The document encourages starting small with contributions and getting feedback before undertaking large changes.

1. Contribu)ng+to+Impala
Henry&Robinson,&henry@cloudera.com

2. Impala!has!always!been!open*source

3. What's'changing?

4. Our$first$external$
contribu1on

5. h"p://github.com/cloudera/Impala/wiki

6. What%to%contribute?

7. Code

8. Bug$reports

9. Documenta*on

10. Extensions:*UDFs*and*Datasources

11. See#h%p://github.com/cloudera/
Impala/wiki/Contribu;ng<to<Impala#
for#our#contribu)on*guidelines

12. Check&the&JIRA&
&for&
ramp%up%tasks
!
!Impala!JIRA:!h,p://issues.cloudera.org/browse/IMPALA

13. How$a$patch$becomes$a$commit

14. Ge#ng&your&patch&
commi2ed
• Gerrit'is'the'Impala'code2review'and'
patch2management'tool''
• Only'Impala'engineers'have'commit'
privileges
• All'patches'must'pass'pre2commit'
tes:ng
!!
!Impala!Gerrit:!h.p://gerrit.cloudera.org:8080

15. Mailing'lists:
impala&dev@cloudera.org
impala&user@cloudera.org

16. Contribu)ng+effec$vely

17. 1.#Get#used#to#the#process:#start#
small

18. 2.#Get#buy$in#before#undertaking#a#
lot#of#work

19. 3.#Take#feedback#in#the#spirit#it's#
intended

20. 4.#Pardon#our#dust

21. Thanks!(Ques,ons?