hive - Related information

  • A problem with hive query

    there is a partition table containing json files when querying, an error is always reported Failed with exception java.io.IOException:org.apache.hadoop.hdfs.BlockMissingException: Could not obtain block: BP-32616997-172.16.0.195-1533624415828:blk_107...

    Oct.29,2021
  • Hue does not display internal tables on the hue page when connecting to hive

    using hue to connect hive, displays only external tables in the left column of the hue interface, but internal tables cannot be displayed, but all tables can be displayed using show tables. What is the cause of this problem? In addition, the table name d...

    Jun.11,2021
  • Python pyhive connects hive through SSH tunnel to report an error and solve the problem.

    python pyhive through SSH tunnel connection hive, error content is: Could not start SASL: b Error in sasl_client_start (- 4) SASL (- 4): no mechanism available: Unable to find a callback: 2 ) ask for advice from sshtunnel import SSHTunnelForwarder f...

    Apr.03,2021
  • How to solve the problem of hadoop resourcemanager error reporting by INTERNAL_SERVER_ERROR?

    problem description hive is stuck or has no speed while executing mapreduce read the log hadoop resourcemanager reported an error 2018-07-17 19br 17br the environmental background of the problems and what methods you have tried set up a hadoop c...

  • The use of presto's projectNode

    recently read the presto source code, do not understand the role of projectNode? only knows that it is used for projection, which can be explained simply. ...

    Mar.20,2021
  • Hive left outer connection problem

    exposure meter: cid (user id) newsid (exposure News) Click list: cid (user id) newsid (Click News) want to check whether each news article has been clicked in the following form: cid newsid cid newsid 01 23456 01 23456 01 23457 null null HI...

    Mar.01,2021
  • 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-64f5-1bed3b3-313b2.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    MySQL Errno : 1021
    Message : Disk full (/tmp/#sql-temptable-64f5-1bed3b3-313b2.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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