Presentation delivered by Gabriel Györi from #Elos Technologies during #EnterpriseDB seminar held in Prague, 25th March 2015.

1. Postgres Plus Advanced Server 9.4
Gabriel Gy˝ori - ELOS Technologies, s.r.o.
gabriel.gyori@elostech.cz
http://www.elostech.cz
25. 4. 2015
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 1 / 21

2. Obsah
Obsah prezent´acie
Obsah prezent´acie
´Uvod
Architekt´ura datab´aze
Moˇznosti nasadenia
Konfigur´acia datab´aze
Oracle kompatibilita
Migr´acia datab´aze
Optimaliz´acia v´ykonu
Z´alohy datab´aze
Vysok´a dostupnost’
Moˇznosti rozˇs´ırenia
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 2 / 21

3. Postgres Plus Advance Server
Postgres Plus Advance Server
relaˇcn´a datab´aza
viac neˇz 15 rokov aktivn´eho v´yvoja
multiplatformn´a datab´aza
vyv´ıjan´a v jazyku ANSI C
jednoduch´e moˇznosti rozˇs´ırenia
Multi-Version Concurrency Control
(MVCC)
ANSI-SQL:2008 standard
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 3 / 21

4. Postgres Plus Advance Server
Postgres Plus Advance Server
Bezpeˇcnost’
Host-based autentifik´acia
Object-level opr´avnenia
Auditing (PEM)
SSL
EDB SQL/Protect
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 4 / 21

5. Postgres Plus Advance Server
Limity datab´aze
Maxim´alna vel’kost’ datab´aze neobmedzen´a
Maxim´alna vel’kost’ tabul’ky 32 TB
Maxim´alna vel’kost’ z´aznamu 1.6 TB
Maxim´alny poˇcet riadkov neobmedzen´y
Maxim´alny poˇcet st´lpcov 250 - 1600
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 5 / 21

6. Architekt´ura datab´aze
Architekt´ura datab´aze
PostgreSQL nepouˇz´ıva thready ale procesy
hlavn´y proces postmaster
background writer
WAL writer
checkpointer proces
autovacuum launcher/worker
logging collector
stats collector
backend proces / user session
WAL (transakˇcn´e) logy
archiv´acia transakˇcn´ych logov
adres´ar d´atov´eho clusteru
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 6 / 21

7. Moˇznosti nasadenia
Moˇznosti nasadenia
One-Click inˇstal´ator
bal´ıˇcky operaˇcn´ych syst´emov
RPM/YUM
DEB Debian/Ubuntu
FreeBSD port
Solaris bal´ıˇcek
kompil´acia zdrojov´ych k´odov
PostgresPlus Solution Pack
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 7 / 21

8. Konfigur´acia datab´aze
Konfigur´acia datab´aze
v¨aˇcˇsina konfigur´acie v s´ubore
(postgresql.conf)
host-based autentifik´acia (pg hba.conf)
konfiguraˇcn´e s´ubory per d´atov´y cluster
parameter - hodnota
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 8 / 21

9. Oracle kompatibilita
Oracle kompatibilita - podporovan´e zdrojov´e datab´aze
Object Oracle Sybase SQL Server MySQL
Schemas • • • •
Tables • • • •
List-Partitioned Tables •
Range-Partitioned Tables •
Constraints • • • •
Indexes • • • •
Triggers •
Table Data • • • •
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 9 / 21

10. Oracle kompatibilita
Oracle kompatibilita - podporovan´e zdrojov´e datab´aze
Object Oracle Sybase SQL Server MySQL
Views • •
Packages •
Procedures •
Functions •
Sequences •
Users/Roles •
Object Types •
Database Links •
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 10 / 21

11. Oracle kompatibilita
EDB*PLUS
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 11 / 21

12. Migr´acia datab´aze
Migr´acia datab´aze
moˇznost’ testovania nov´ych technol´ogii
moˇznost’ vol’by alternat´ıvnej datab´aze
dynamick´e testovanie Postgres Plus Advance Server
alternat´ıvne technol´ogie mˆoˇzu uˇsetrit’ podstatn´u ˇcast’ n´akladov firmy
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 12 / 21

13. Migr´acia datab´aze Migration Toolkit
Migration Toolkit
zdrojov´y k´od: java
konzolov´a aplik´acia
online migr´acia
offline migr´acia
vel’k´e mnoˇzstvo explicitn´ych nastaven´ı migr´acie
defin´ıcia pripojenia dvojice datab´az (konfiguraˇcn´y s´ubor)
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 13 / 21

14. Migr´acia datab´aze Migration Toolkit
Proces migr´acie
Krok za krokom
defin´ıcia zdrojovej a ciel’ovej datab´aze
identifik´acie potenci´alnych probl´emov inform´acii
rozdelenie migr´acie rozsiahlych sch´em do dvoch ˇcast´ı
migr´acia sch´em
migr´acia d´at
vykonanie konkr´etnej migr´acie
overenie migr´acie
prekonvertovanie aplik´acie na novu datab´azu
testovanie a optimaliz´acia syst´emu
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 14 / 21

15. V´ykon datab´aze Optimaliz´acia
Optimaliz´acia
pouˇzitie VACUUM
pouˇzitie ANALYZE
optimaliz´acia dotazov
pouˇzitie cache
pridelenie dostatku pam¨ati
upgrade datab´aze
pouˇzitie uloˇzn´ych proced´ur
pouˇzitie partitioningu
hardware
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 15 / 21

16. V´ykon datab´aze DRITA
Dynamic Runtime Instrumentation Tools Architecture
ˇcasov´y odhad vykon´avan´ych procesov
odhad z´at’aˇze konkr´etnych objektov ˇci operaˇcn´eho syst´emu
inform´acie pre odhal’ovanie v´ykonnostn´ych nedostatkov
vyladenie v´ykonu datab´aze
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 16 / 21

17. V´ykon datab´aze edb dynatune
Dynatune
Urˇcenie mnoˇzstva pouˇzit´ych zdrojov datab´azov´ym serverom
edb dynatune
1 - 33 - testovacie servery na ktor´ych beˇzia d’alˇsie aplik´acie
34 - 66 - fixn´y poˇcet ostatn´ych aplik´acii spusten´ych na serveri
67 - 100 - server urˇcen´y v´yhradne pre spr´avu datab´aze
edb dynatune profile
oltp - zv´yˇsene n´aroky na online transakˇcn´e procesy
reporting - datab´azov´e servery pouˇz´ıvane na reporty
mixed - kompromis oboch modelov
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 17 / 21

18. Z´alohovanie datab´aze
Z´alohovanie datab´aze
Logick´a z´aloha
pg dump
pg dumpall
pg restore
Fyzick´a z´aloha
archiv´acia WAL logov
z´aloha d´atov´eho adres´ara
PITR
EDB Backup and Recovery Tool
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 18 / 21

19. Replik´acie datab´aze
Replik´acie datab´aze
Moˇznosti replik´acie
Log shipping (Hot standby)
Streaming (Hot standby)
Selekt´ıvna replik´acia Londsite
Selekt´ıvna replik´acia Slony
Load balancing pgpool II
Multimaster replik´acia
EDB replikaˇcn´e n´astroje
xDB Replication console multi master
xDB Replication console single master
EDB Failover Manager
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 19 / 21

20. Replik´acie datab´aze
EDB Failover manager
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 20 / 21

21. Replik´acie datab´aze
ˇDakujem za pozornost’
Gabriel Gy˝ori (ELOS Technologies) Postgres Plus Advanced Server 25. 4. 2015 21 / 21