Mapping - Related information

  • How to set different types for the same fields under the same index and different type in Elasticsearch?

    when Elasticsearch creates mapping, it will report an error if the same field name of different type is set to different type, so how to solve this situation? request a connection PUT http: localhost:9200 new parameters are as follows: { &qu...

  • Elasticsearch is reasonable about how to design index and type.

    now there are several completely different statistical data structures for a city, which are obtained from parsing tables. If you put dozens of type, under an index in the mapping of ES, there are probably dozens of type, under different Index or all und...

  • 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-64f5-1bf07fe-31484.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    MySQL Errno : 1021
    Message : Disk full (/tmp/#sql-temptable-64f5-1bf07fe-31484.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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