最近在使用log4net,在使用之前我们必须知道文件流是如何操作的,否则就是盲人摸向...,在FileAppender.cs文件里面有LockingModelBase来控制流的锁,默认有3个子类 ExclusiveLock:默认的,Hold an exclusive lock on the output file,Open the file once for writing and hold it open until CloseFile is called. Maintains an exc
0. Data Lake Analytics(DLA)简介 关于Data Lake的概念,更多阅读可以参考:https://en.wikipedia.org/wiki/Data_lake 以及AWS和Azure关于Data Lake的解读:https://amazonaws-china.com/big-data/datalakes-and-analytics/what-is-a-data-lake/https://azure.microsoft.com/en-us/solutions/data-