Thanks Artem. So no EBS pre-warming does not apply to EBS volumes created from snapshots. Rayson ================================================== Open Grid Scheduler - The Official Open Source Grid Engine http://gridscheduler.sourceforge.net/ http://gridscheduler.sourceforge.net/GridEngine/GridEngineCloud.html On Thu, May 26, 2016 at 10:52 AM, Artem Tomyuk <admin@xxxxxxxxxxxxxx> wrote: > Please look at the official doc. > > "New EBS volumes receive their maximum performance the moment that they are > available and do not require initialization (formerly known as pre-warming). > However, storage blocks on volumes that were restored from snapshots must be > initialized (pulled down from Amazon S3 and written to the volume) before > you can access the block" > > Quotation from: > http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-initialize.html > > 2016-05-26 17:47 GMT+03:00 Rayson Ho <raysonlogin@xxxxxxxxx>: >> >> On Thu, May 26, 2016 at 10:00 AM, Artem Tomyuk <admin@xxxxxxxxxxxxxx> >> wrote: >>> >>> >>> 2016-05-26 16:50 GMT+03:00 Rayson Ho <raysonlogin@xxxxxxxxx>: >>>> >>>> Amazon engineers said that EBS pre-warming is not needed anymore. >>> >>> >>> but still if you will skip this step you wont get much performance on ebs >>> created from snapshot. >> >> >> >> IIRC, that's not what Amazon engineers said. Is that from your personal >> experience, and if so, when did you do the test?? >> >> Rayson >> >> ================================================== >> Open Grid Scheduler - The Official Open Source Grid Engine >> http://gridscheduler.sourceforge.net/ >> http://gridscheduler.sourceforge.net/GridEngine/GridEngineCloud.html >> >> >> > -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
