Postgres-XC tutorial PDF - PGCon

More documents

Recommendations

Info

JOINs ● ● Performing JOIN on coordinator won't be efficient if ● ● Number of rows selected
● Perfoming JOINs on datanodes Example: Join on distribution key EXPLAIN VERBOSE SELECT * FROM tab1, tab2 WHERE tab1.val = tab2.val; QUERY PLAN Data Node Scan on "__REMOTE_FQS_QUERY__" Output: tab1.val, tab1.val2, tab2.val, tab2.val2 Node/s: datanode_1 Remote query: SELECT tab1.val, tab1.val2, tab2.val, tab2.val2 FROM tab1, tab2 WHERE (tab1.val = tab2.val) – JOIN performed on datanode May 16th, 2012 <strong>Postgres</strong><strong>XC</strong> 57
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 and 34: Configuration parameters ● ● Ba
Page 35 and 36: Node startup ● ● Coordinator/
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: ● JOINs Example: Join on distribu
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
show all

Postgres-XC tutorial PDF - PGCon

Create successful ePaper yourself

Delete template?

Save as template?