read the algorithms of consistent hash and hash slot and articles on the network that introduce them both. It is said that consistent hash needs less data to migrate than traditional hash when deleting node or and adding nodes. There is no problem here. ...
The value of PHP md5 defaults to 32 bits. How to get 16 bits. On the Internet, there are a lot of characters that are intercepted by strings with 16 bits. Is this a reliable way? ...
the principle of ip_hash for load balancing is that the ip_hash technology in nginx can direct the request of a certain ip to the same backend. So if you encounter a down drop on one of the servers, is it impossible for the client assigned to this server...
currently guid generation is a string generated by time or randomly. now wants to generate a hash value based on the code content as the guid code content remains the same, the guid does not change. Otherwise, each build will generate a new guid . < h...
the user field of one of the app is the foreign key of UserProfile (AbstractUser). After registration in admin, it does not display a drop-down list, but a search box. The result I want is a drop-down list it has been tested that associations can be d...
I have no problem installing other packages globally with npm, but when I install this vue-cli, I report this error, and in fact, I have already installed vue-cli, and I use the npm update module to make the same mistake. There is a big boss to solve the...
function aa () { (async () => { for (let i = 0; i < 10; iPP) { console.log(i, iiiii ) await new Promise((resolve1, reject1) => { (async () => { for (let j = 0; j < 20; jPP) { ...
I want to determine whether to open it for an ie browser, and then use but it doesn t work. Is it ie11 incompatible? ...
if there is an abc, there are 3! The order of is abc acb bac bca cab cba to any number, such as Numeric 4, output bca. now there are 26 English letters, a total of 26! Given any number N, how to find the alphabetic column? listen to others say tha...