Postgres-XC tutorial PDF - PGCon
Postgres-XC tutorial PDF - PGCon
Postgres-XC tutorial PDF - PGCon
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Choosing distribution strategy (2)<br />
●<br />
●<br />
Hash/Modulo distributed – if<br />
●<br />
●<br />
There are high pointread/write loads<br />
The queries have equality conditions on the distribution key,<br />
such that the data comes from only one node (essentially it<br />
becomes equivalent to replicated table for that query)<br />
Round Robin – if<br />
●<br />
There is no definite distribution key, but still want to balance the<br />
write load across the cluster<br />
May 16th, 2012 <strong>Postgres</strong><strong>XC</strong> 62