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The answer according to me is that network bandwidth gets used when heavy memory is consumed by an application (which has 0 affect on UI). This might not sound right to many IT professionals but in my case when i tried to reduce the heavy memory consumption by removing images from the memory automatically the network bandwidth consumption reduced. ...


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Not directly, no. If you can get a packet capture on the network utilization during the calculation, you'll see what's using the bandwidth. Perhaps the server has to grab a bunch of data from a backend DB box to perform said calculation - that'd be my guess.


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Most people's Internet bandwidth is downstream. Your own router does not make the packet scheduling decisions for downstream traffic, it is the ISP's routers that do that. They will almost certainly have some form of QoS scheduling even if it's as basic as WRED. Without any scheduling, a router will operate FIFO (first in, first out) with tail drop. That ...


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Quality of Service doesn't evenly distribute services based on the number of clients requesting the data, rather, it rations the bandwidth based on the services being requested. Example; one user is requesting Netflix, the other is just surfing web pages. If streaming video is higher on the list of priorities than HTML, then the first user's data will be ...


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If the binary blob is only a few hundred megabytes, you can just include it with your function as a "dependency". You can add it as a file alongside your code and reference it accordingly. Another option would be to have two lambda functions. One function does nothing but serve up the blob (which you create as above by sending the blob with the function) ...


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Spin up instances of various types and test them with your expected application and configuration. With spot instances, it's likely that you could test a significant portion of the available instance types with less than $5 US.


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The item "regional data transfer - in/out/between EC2 AZs or using IPs or ELB" accounts for data transfer: Between EC2 instances not using the private IP Between EC2 instances on different availability zones Between EC2 instances and ELBs If your cost for "regional data transfer - in/out/between EC2 AZs or using IPs or ELB" is $151.48, then that means ...


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Here is a solution, how to do traffic shaping for data rate limiting of individual clients with tc (traffic control) using a script called by OpenVPN. The traffic control settings are handled in a script tc.sh with the following features: Called by OpenVPN using directives: up, down, client-connect and client-disconnect All settings are passed via ...


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It appears that two of our NIC cards were faulty, one would give 100/30, other - 30/100. Third one was older but working perfectly. Still, we ended up buying Intel card for future reliability.


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OpenVPN per client traffic control To have a simple solution for traffic control on a per client basis, you could do something like the following. This solution only works for a /24 VPN subnet. Tested on Ubuntu 14.04. OpenVPN server example configuration: port 1194 proto udp dev tun topology subnet server 10.8.0.0 255.255.255.0 keepalive 10 60 comp-lzo ...



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