Do you use the IOPS provisioning at AWS ? By default the AWS has the limited (poor) I/O performance with small bursts allowed.
суббота, 3 сентября 2016 г., 17:44:59 UTC+3 пользователь sdy7 написал: > > Thanks Willi for making all that clear. > We spun up a brand new 16.04 LTS from here > https://cloud-images.ubuntu.com/locator/ec2/ > and were able to reproduce the error there also. So now its clear that It > has nothing to do with the ArangoDB image in particular, but rather aws and > perhaps Ubuntu. > > Thanks > Soren > > On Wednesday, August 31, 2016 at 5:11:41 PM UTC+2, Wilfried Gösgens wrote: >> >> Hi, >> we basically just install an UBUNTU 14.04 plus add some more packages - >> and arangodb in the end. >> This is done using packer and ansible. >> You can have a look at this over at: >> >> https://github.com/arangodb-helper/ami-appliance >> >> Cheers, >> >> Willi >> >> On Friday, August 26, 2016 at 11:08:47 AM UTC+2, sdy7 wrote: >>> >>> Hi all >>> >>> We are using ArangoDB on the images published in AWS Marketplace. After >>> our own few customisations via apt-get plus making a new AMI, instances >>> launched from this has very bad write performance on /vol/data. Then after >>> a stop+start the problem goes away. A little write test program writes a >>> file of 280MB. It takes more than 50 seconds, and only 2 seconds on an >>> instance that works like it is supposed to. >>> >>> Also mentioned here: >>> https://forums.aws.amazon.com/thread.jspa?messageID=737841򴈱 >>> >>> How to reproduce the issue: >>> 1) launch a fresh ArangoDB instance from AWS Marketplace (c4.xlarge). >>> 2) run apt-get update and upgrade. >>> 3) Make a new image and launch a new instance. You will see the problem. >>> 4) Stop and start this instance and the problem goes away. >>> >>> Our production environment relies on automatically launched and loaded >>> instances via EC2 api. >>> >>> Has anyone with knowledge of this particular ArangoDB AWS image an idea >>> about what why it happens? >>> >>> >>> Thanks in advance >>> Soren >>> >>> -- You received this message because you are subscribed to the Google Groups "ArangoDB" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
