Postgres-XC tutorial PDF - PGCon
Postgres-XC tutorial PDF - PGCon
Postgres-XC tutorial PDF - PGCon
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Choosing distribution strategy (1)<br />
●<br />
Replication if<br />
●<br />
●<br />
●<br />
●<br />
●<br />
The table is lessfrequently written to<br />
The table's primary key is referenced by many distributed<br />
tables<br />
The table needs to have a primary key/unique key which is can<br />
not be distribution key<br />
The table is part of JOIN for many queries – makes easier to<br />
push the JOIN to the datanode<br />
Data redundancy<br />
May 16th, 2012 <strong>Postgres</strong><strong>XC</strong> 61
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