Re: MVCC for massively parallel inserts

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От Joshua D. Drake
Тема Re: MVCC for massively parallel inserts
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Msg-id 3FFA221F.6090300@commandprompt.com
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Ответ на Re: MVCC for massively parallel inserts  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: MVCC for massively parallel inserts  (Alex Satrapa <alex@lintelsys.com.au>)
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>You are mistaken to think that CPU is the bottleneck, anyway.  It is
>going to be disk bandwidth that's your problem, and throwing more CPUs
>at it would not help.  If your insert load exceeds the available disk
>bandwidth, I think you have little choice but to figure out a way to
>divide the workload among multiple independent databases.
>
>
>
If you have the money to purchase multiple machines, you can throw more
hard drives at it...

Hard drives are cheap... (well ide/sata anyway).

Sincerely,

Joshua D. Drake




>            regards, tom lane
>
>---------------------------(end of broadcast)---------------------------
>TIP 9: the planner will ignore your desire to choose an index scan if your
>      joining column's datatypes do not match
>
>


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