Microsoft has contributed significant resources to support Hadoop and its related projects on Windows platforms. This includes over 10,000 lines of code for native Hadoop libraries on Windows, a Windows implementation of the Hadoop filesystem for Azure Storage, improvements to Hadoop's permissions model for Windows Azure VMs, and donations of Jenkins servers and over 6,000 engineering hours for Hadoop continuous integration on Windows. Microsoft also provides the HDInsight Hadoop service on Windows for its Azure cloud computing platform.