Excerpt from official blog: https://blog.twitter.com/engineering/en_us/topics/open-source/2023/twitter-recommendation-algorithm Twitter aims to deliver you the best of what’s happening in the world right now. This requires a recommendation algorithm to distill the roughly 500 million Tweets posted daily down to a handful of top Tweets that ultimately show up on your device’s For You timeline. This blog is an introduction to […]
Source Link: https://www.happierhuman.com/live-consciously/ There are generally two groups of people as far as awareness is concerned. Those that are wired to think before acting… and those who inherently act impulsively. Pausing to collect your thoughts, and considering the consequences of your actions, are habits of conscious people. As you may imagine, there’s much more depth to practicing conscious living, and […]
Short, temporary moments of forgetfulness are happening to more of us more often these days, memory experts say. Grant Shields was teaching a college seminar to 24 students last week when his mind went blank. He’d forgotten the name of his teaching assistant. “I was embarrassed,” says Dr. Shields, who thought he heard students laugh […]
When it comes to the problem of high disk io on yarn cluster, it may lead to many undesirable situations, such as application’s slowing down too much, hdfs operation shows high latency, although the file being operated is very small. What happened? It may be a shuffle problem. For example, spark is our main compute […]
范欣欣的博文讲解深入又很清晰。 如何实现高速读写? 是否使用offheap? jdk跳表cslm实现及阿里ccsmap的优化? 详见:http://hbasefly.com/2019/10/18/hbase-memstore-evolution/
低频用户冷启动需要考验算法模型的泛化能力。建模中容易产生马太效应。 何谓马太效应?摘自wiki media, 天之道,损有余而补不足。人之道,则不然,损不足以奉有余。 凡有的,还要加给他,叫他有余;凡没有的,连他所有的也要夺去。 强者愈强,弱者愈弱。