PostgreSQL は、コミュニティ主導で開発されています。 意思があれば誰でも、データベース・コアから外部ツールまで、さまざまな形で開発に参加することができます。 どのような開発への関わり方があるかを紹介し、参加の方法や、その利点について説明いたします。また、PGCon2008 の様子をお伝えします。

1. PostgreSQL Conference 2008
http://www.postgresql.jp/events/postgresql-conference-2008-program/#community_1
PGCon 2008
PostgreSQL / NTT OSS
2008.6.6
1

2. Agenda
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?
?
?
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FILLFACTOR
PGCon2008
HOT TOPIC
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3. PostgreSQL is an open-source PROJECT.
Not only an open-source PRODUCT.
( )
PostgreSQL
PostgreSQL
,
PostgreSQL
3

4. http://www.postgresql.org/community/contributors/
Core Team (7 )
Web
Major Contributors (24 )
Contributors (36 )
4
…
4

5. 5

6. ?
(Google Summer of Codes)
PostgreSQL
6

7. ?
/
ToDo (http://www.postgresql.org/docs/faqs.TODO.html)
PGCon 2008
VACUUM
DBMS
CPU ?
/
7

8. ?
SQL
Hook +
PL/pgSQL
(PL/Java, PL/ruby)
(JDBC, .NET)
GUI (pgAdmin, phpPgAdmin)
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9. pgFoundry :
http://pgfoundry.org/
CVS
Web
URL
http://< >.projects.postgresql.org
3
9

10. : Google Summer of Codes
http://code.google.com/soc/
http://www.postgresql.org/developer/summerofcode
http://wiki.postgresql.org/wiki/GSoC_2008
2008
pgScript - pgAdmin
SQL
XPath
Collation ( )
(SQL2003)
XML (SQL2003)
Full Disjunction ( OUTER JOIN)
ecpg (C SQL )
10

11. ?
README
contrib
PostgreSQL Wiki (http://wiki.postgresql.org/)
PostgreSQL
JPUG
11

12. http://www.postgresql.jp/npo/mailinglist.html
pgsql-jp
http://www.postgresql.org/community/lists/
pgsql-announce
PostgreSQL
pgsql-general
pgsql-bugs
Web
(http://www.postgresql.org/support/submitbug)
pgsql-committers
CVS PostgreSQL pgFoundry
pgsql-hackers
12

13. ?
Developer FAQ
http://wiki.postgresql.org/wiki/Developer_FAQ
( )
( )
( )
( )
/ TODO /
SQL
“Long-term solution” !
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14. 1 +α
v8.1 (2005/11) 10
v8.2 (2006/12) 13
v8.3 (2008/2) 14
v8.4 (2009/7) 17
Commit Fest
v8.4
http://wiki.postgresql.org/wiki/PostgreSQL_8.4_Development_Plan
http://wiki.postgresql.org/wiki/CommitFest
2 /
v8.3
v8.4 Commit-Fest 7, 9, 11
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15. FILLFACTOR
(v8.2)
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16. FILLFACTOR
CREATE TABLE/INDEX … WITH (FILLFACTOR = n )
FILLFACTOR=90
90% 90% 90%
INSERT 90%
•UPDATE ( )
• ( )
POINT
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17. FILLFACTOR :
Index (*)
(8.3 HOT )
POINT
&
…
(*) VACUUM 10% ( v8.1)
UPDATE 10% VACUUM
v8.2, v8.3
90% 50% 50%
17

18. FILLFACTOR : ML
/ /…
( )
SQL (PCTFREE vs. FILLFACTOR)
( )
pg_class.relfillfactor ( ) vs. pg_class.reloptions ( )
WITH OIDS → WITH (OIDS = true)
POINT
ML
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19. FILLFACTOR :
pg_class
SQL (CREATE, ALTER)
FILLFACTOR
(SGML)
(make check)
POINT
• !
•
•
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20. FILLFACTOR :
pgsql: Add FILLFACTOR to CREATE INDEX.
•From: momjian(at)postgresql(dot)org (Bruce Momjian)
•To: pgsql-committers(at)postgresql(dot)org
•Subject: pgsql: Add FILLFACTOR to CREATE INDEX.
•Date: Sat, 1 Jul 2006 23:23:23 -0300 (ADT)
Log Message:
-----------
Add FILLFACTOR to CREATE INDEX.
ITAGAKI Takahiro
(HEAD)
COMMITTERS ML
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21. PGCon 2008
The PostgreSQL Conference
21

22. PGCon 2008
PostgreSQL
http://www.pgcon.org/2008/
@University of Ottawa
5/20, 21 (4 )
5/22, 23 (37 , 3 )
Anniversary Summit 3
200 ( 120 )
22

23. PGCon
(5 )
HOT, GIN, CPU ,
(4 )
, , Windows
(5 )
, (GIS),
(7 )
pgPool2, plProxy, Log-Shipping, Bucardo, …
(7 )
Npgsql(C#), JBoss , NASA
(4 )
, What PostgreSQL could learn from MySQL
23

24. Developer’s Meeting
2
26
5/21 10:00 17:00
http://wiki.postgresql.org/wiki/PgCon_2008_Developer_Meeting
Agenda
Review of Commit-Fest
How to Deal with Sponsored Features
BuildFarm & Performance Regression Testing
Partitioning Roadmap
Vacuum Roadmap
Multi-CPU Queries
Platform-Specific Optimization
…
24

25. HOT TOPIC : &
Review of Commit-Fest
v8.4
ML + Wiki
How to Deal with Sponsored Features
Materialized View
Stack Builder (Windows )
Postgres Plus (EnterpriseDB )
25

26. Stack Builder
PostgreSQL 8.3 Windows Installer
(8.3 )
.NET
OLE-DB
JDBC
ODBC
Slony-I
PostGIS
Ruby on Rails
26

27. HOT TOPIC :
BuildFarm & Performance Regression Testing
BuildFarm
?
pgbench? pgUnitTest? Test harness by Sun?
Platform-Specific Optimization
API
?
I/O
posix_fadvise
Direct I/O
27

28. HOT TOPIC :
Partitioning Roadmap
? ?
Vacuum Roadmap
VACUUM
Free Space Map
Dead Space Map
Long-running transaction
Multi-CPU Queries
/
COPY
pg_dump/pg_restore
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29. HOT TOPIC :
/ ?
pgpool, PL/Proxy PostgresForest, Sequoia
SQL TRIGGER
pgpool Slony-I warm-standby
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30. PostgreSQL
pgFoundry
PostgreSQL
PostgreSQL
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