hive
How to transfer mysql table to hive?
I have a large mysql table that I would like to transfer to a Hadoop/Hive table. Are there st开发者_Go百科andard commands or techniques to transfer a simple (but large) table from Mysql to Hive? The t[详细]
2023-02-03 17:01 分类:问答What is the advantage of integrating Hbase and Hive
Recently, I came across a blog where the author mentioned about integrating Hbase and Hive. Will this be possible开发者_JAVA技巧 and if so what is the advantage of using both(in terms of performance a[详细]
2023-02-02 16:18 分类:问答How should I partition data in s3 for use with hadoop hive?
I have a s3 bucket containing about 300gb of log files in no particular order. I want to partition this data for use in hadoop-hive using a date-time stamp so that log-lines related to a particular[详细]
2023-01-30 14:14 分类:问答writing custom functions that use external java classes on Hive
I\'ve been thinking of how to do it in Hive. For e.g. i\'ve a specific field in a log file that I want to extract (this is already possible in Hive) and then I want to map this field\'s value to some[详细]
2023-01-22 06:14 分类:问答Using Hive with Pig
My hive query has multiple outer joins and takes very long to execute. I was wondering if it would make sense to break it into multiple smaller queries and use pi开发者_C百科g to work the transformati[详细]
2023-01-17 22:18 分类:问答Combine multiple rows into one space separated string
So I have 5 rows like this userid, col ------开发者_StackOverflow中文版-------- 1, a 1, b 2, c 2, d 3, e[详细]
2023-01-16 12:47 分类:问答Spring-Batch for a massive nightly / hourly Hive / MySQL data processing
I\'m looking into replacing a bunch of Python ETL scripts that perform a nightly / hourly data summary and statistics gathering on a massive amount of data.[详细]
2023-01-12 06:32 分类:问答How to connect to Hadoop/Hive from .NET
I am working on a solution 开发者_如何学JAVAwhere I will have a Hadoop cluster with Hive running and I want to send jobs and hive queries from a .NET application to be processed and get notified when[详细]
2023-01-11 13:57 分类:问答Trino Invalid partition spec:
I\'ve created a external partition table in trino, I\'m using hive connector. I\'m changing the partition location with unregister partition using command[详细]
2022-12-07 20:16 分类:问答Flutter save data from json with hive
I am trying to save api data with hive, and got this error: HiveE开发者_StackOverflow社区rror: Cannot write, unknown type: User. Did you forget to register an adapter?[详细]
2022-12-07 18:28 分类:问答
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