Postgres-XC tutorial PDF - PGCon

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Parameters exclusive to XC ● enforce_two_phase_commit – default = on – Control of autocommit temporary objects ● ● – Turn to off to create temporary objects max_coordinators – default 16, max Coordinators usable max_datanodes – default 16, max Datanodes usable May 16th, 2012 PostgresXC 34
Node startup ● ● Coordinator/Datanode ● ● ● GTM ● ● Same options as vanilla Postgres Except... Mandatory to choose if node starts up as a Coordinator (C) or a Datanode (X) Possible to set with pg_ctl Z coordinator/Datanode gtm D $DATA_FOLDER gtm_ctl start D $DATA_FOLDER S gtm May 16th, 2012 PostgresXC 35
Page 1 and 2: PGCon2012 Tutorial Configuring Writ
Page 3 and 4: Chapter A PostgresXC Introduction
Page 5 and 6: Summary (1) ● PostgreSQLbased d
Page 7 and 8: Symmetric Cluster (1) PostgreSQL re
Page 9 and 10: Read/Write Scalability DBT1 throu
Page 11 and 12: How to achieve R/W scalability Tabl
Page 13 and 14: Major Difference from PostgreSQL
Page 15 and 16: Summary ● ● Coordinator ● ●
Page 17 and 18: Difference from vanilla PostgreSQL
Page 19 and 20: How each component works Act as jus
Page 21 and 22: Chapter B Cluster design, navigatio
Page 23 and 24: General advice ● Avoid data mater
Page 25 and 26: Online transaction processing (OLTP
Page 27 and 28: B2 Code and binaries Code navigat
Page 29 and 30: Structure of code 2 ● Pooler -
Page 31 and 32: B3 Everything about configuration
Page 33: Configuration parameters ● ● Ba
Page 37 and 38: Demonstration psql client GTM Port
Page 39 and 40: CREATE TABLE extensions ● Control
Page 41 and 42: Point in time recovery PITR ●
Page 43 and 44: Chapter C Distributing data effecti
Page 45 and 46: Replicated Tables Writes Reads writ
Page 47 and 48: Querying replicated tables ● Exam
Page 49 and 50: Replicated tables - multirow oper
Page 51 and 52: Distributed Table ● ● ● Write
Page 53 and 54: Distributed tables - multirow ope
Page 55 and 56: ● JOINs Example: Join on distribu
Page 57 and 58: ● Perfoming JOINs on datanodes Ex
Page 59 and 60: Shippability of Joins Hash/Module d
Page 61 and 62: Choosing distribution strategy (1)
Page 63 and 64: Example DBT1 (1) ● author, item
Page 65 and 66: Example DBT1 (3) ● Shopping_car
Page 67 and 68: DBT1 scaleup ● Old data, we w
Page 69 and 70: Chapter D Backup, restore, recovery
Page 71 and 72: Example configuration (2) ● GTM
Page 73 and 74: General ● Coordinator and Datanod
Page 75 and 76: Cold backup of each database cluste
Page 77 and 78: Physical backup of each database cl
Page 79 and 80: Hot backup (2) ● ● ● ● Othe
Page 81 and 82: Hot backup - coord1 example ● Con
Page 83 and 84: GTM Hot Backup - GTM Sandby ● ●
Page 85 and 86:
GTMStandby backs up ● GTM stand
Page 87 and 88:
Restore from pg_dump and pg_dumpall
Page 89 and 90:
Restore from the cold backup (2)
Page 91 and 92:
Recovery.conf settings coord1 examp
Page 93 and 94:
When coordinator or datanode crashe
Page 95 and 96:
If GTM crashes ● ● ● ● ●
Page 97 and 98:
Run GTM Proxies $ cat /home/koichi/
Page 99 and 100:
Additional gtm_proxy options ● Ti
Page 101 and 102:
Running GTMStandby ● Run GTM as
Page 103 and 104:
HA General ● ● ● ● Postg
Page 105 and 106:
Coordinator/datanode configuration
Page 107 and 108:
Cleaningup outstanding 2PC ●
Page 109 and 110:
Sites to know ● ● ● Main mana
Page 111 and 112:
Documentation ● ● Published in
Page 113 and 114:
Release policy and code merge May 1
Page 115 and 116:
What next? ● First major release,
Page 117:
Thank You Very Much! May 16th, 2012
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