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Number of active connections is limited by number of socket's available. socket is clien_ip + client_port + server_port + server_ip. Maximum port number is about 65k, so the only way to increase number of connections - use additional IP. For example use virtual interfaces. Or Add virtual adapter to virtualbox machine. Anyway, for good performance testing ...


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Since you're running your environment on AWS, I'm hoping that you're environment is setup using CloudFormation templates or any of the services built upon it (e.g. Elastic Beanstalk). With that assumption, I'm gonna propose the following: Spin up an exact copy of your environment in a separate VPC Create your load test scripts, starting with a lower amount ...


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That image says that the maximum UDP transfer rate over 1gbps ethernet is 119635891 Bytes per second. Multiple 119635891 with 8 (one byte is 8 bits) and you get 957087128 == 957,08mbps


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From my experience, letting btrfs take over a whole disk with no partitions will not result in proper logical/physical sector alignment. I've tried this with 3.14.1; latter versions may do this differently (current release is 3.18.x). My suggestion is to use properly aligned GPT partitions and tell BTRFS to use a 4K sector size with mkfs.btrfs --sectorsize. ...


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Regarding server load: you don't say what operating system this is. For most flavours of Unix (including Linux) as long as the load is less than the number of CPUs then you probably shouldn't worry about it. In this scenario, each process gets to stay in the CPU for as long as it can do useful stuff there (more or less). But when there is a queue of proceses ...



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