Hash - Related information

  • What is the difference between consistent hash and hash slot?

    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. ...

  • How to generate 16-bit MD5 hash by PHP

    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? ...

    Mar.16,2021
  • Nginx uses ip_hash for load balancing.

    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...

    Mar.04,2021
  • In the build.xml of ant, you want to get all the code files to generate a hash value, which is used to do guid.

    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...

    Feb.27,2021
  • MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
    MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1c1f3e3-32bda.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    MySQL Errno : 1021
    Message : Disk full (/tmp/#sql-temptable-64f5-1c1f3e3-32bda.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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