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180

answers:

1
+2  Q: 

Postgresql performance on EC2/EBS

What gives best performance for running PostgreSQL on EC2? EBS in RAID? PGData on /mnt?

Do you have any preferences or experiences? Main "plus" for running pgsql on EBS is switching from one to another instances. Can this be the reason to be slower that /mnt partition?

PS. im running postgresql 8.4 with datas/size about 50G, amazon ec2 xlarge(64) instance.

+2  A: 

Here there is some linked info.

leonbloy  2010-06-10 15:43:41

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