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snipcode:
def main(args: Array[String]): Unit = {
println(getSdf().format(System.currentTimeMillis()))
val sparkConf = new SparkConf().setAppName("RealTimeReciveTable")
sparkConf.setM…
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**Describe the problem you faced**
I am consuming data from Kafka topic with hudi streamer and writing it locally. My data has column 'CreatedAt' that is in form of date i want to convert this date…
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reduce()是一个js数组原型链上的高级函数，没个几年经验估计对这个方法的用法会很模糊。
我最常用的就是用recude()求和，但其实它还有很多值得挖掘的好用之处…
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As described in HADOOP-12990, the Hadoop `Lz4Codec` uses the lz4 block format, and it prepends 8 extra bytes before the compressed data. I believe that lz4 implementation in parquet-cpp also uses the …
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### Before asking
- [X] I have read the [How to ask for help](https://linkis.apache.org/community/how-to-ask-for-help) (我已阅读[如何寻求帮助](https://linkis.apache.org/zh-CN/community/how-to-ask-for-help)指引文档…
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Vulnerable Library - json-smart-2.4.2.jar
JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write. It is easy for machines to parse and ge…
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**Test name(s)**
- AuthenticationTokenSecretManagerTest.testVerifyPassword
**Describe the failure observed**
There seems to be some small probability that the AuthenticationTokenSecretManager …
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I am trying to run a `Pyspark` application using operator. I can run it perfectly if I backed the `python` application in `spark` image but when I am trying to get them from `s3`, I am getting into al…
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Hi, I want to follow the usecase example and download it to run on AWS, but the data is removed from https://s3.computational.bio.uni-giessen.de/swift/v1/sparkhitTool/sparkhitSummer.tar.gz
Could yo…
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这是我输入的提示词：
我想让你扮演Java开发工程师的面试官，我将作为候选人回答问题。请按照以下要求进行：
1.你负责提问Java开发工程师职位的面试问题。
2.每次只问一个问题。
3.只提问，不要解释你提的问题，不要回答你提的问题。
请问第一个问题
这是大模型给出的回答：
请简述一下Java中垃圾回收机制（Garbage Collection）的工作原理和你在项目中如何优化内存…
xqxls updated
2 months ago