Despite trade restrictions, China has reclaimed the title of the world's fastest supercomputer for the first time since 2018. LineShine has pushed El Capitan out of number one on the TOP500 ranking. That's despite strict limits on what high-powered computing components can be sold to China by US firms, which dominate the list, with America […]

submitted by /u/verdagon [link] [留言]

So for learning purposes I was reading a few research papers on the topic of databases. I read through a few papers like gfs, cockroachdb, dynamodb, raft etc.. DynamoDb uses consistent hashing for the key distribution. It also uses virtual nodes for reducing the rebalancing problem when a node dies. So I had an idea of using the resource(disk, cpu, ram, network) of server to determine how much data/load it should handle. We can't determine the capacity of a server just with its hardware specs like ram & disk, if the latency is high or has frequent network issue then it makes that particular node not very reliable to hold the data. So incorporating the network details will help us get better resource scores of a node. Keys are mapped to slot using CRC16 and there will be a fixed number of slots 16384. Since I used a storage engine called pebble(similar to rocksdb) I was able to avoid the headache of writing the storage layer. I greatly underestimated the process of writing a database. So coming back to the topic I want to know if this resource based ranging splitting is already implemented and more information on it. I developed a architecture on this topic called irisdb and it implements this resource scores mechanism to determine which node to take the slot range to split. this is a learning project and I gladly accept any feedback I could get submitted by /u/wizard_zen [link] [留言]

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I'm sure we're all familiar with Dark Crystal, so we know that Jim Henson can be weird and tackle slightly more mature subject matter. But there is little in his oeuvre that is quite as mind-bending as the Muppetless The Cube. This 1969 teleplay was produced for an NBC anthology series called Experiment in Television, […]

https://x.com/wrathofgnon/status/1250287741247426565 , https://xcancel.com/wrathofgnon/status/1250287741247426565

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