Database Reference
In-Depth Information
Figure 11-8. Pricing impact on logging and monitoring WASB
Additionally, the Windows Azure's Logging infrastructure provides a trace of the executed requests against your
storage account (blobs, tables, and queues). You can monitor requests made to your storage accounts, check the
performance of individual requests, analyze the usage of specific containers and blobs, and debug storage APIs at a
request level. To understand this logging infrastructure in depth and learn how to manage the storage analytics in
detail, refer to the following blog post by the Azure Storage team:
http://blogs.msdn.com/b/windowsazurestorage/archive/2011/08/03/windows-azure-storage-logging-using-
logs-to-track-storage-requests.aspx .
Logging in Windows Azure HDInsight Emulator
Windows Azure HDInsight Emulator is a single-node distribution of HDInsight available on Windows Server
platforms. The logging mechanism on the emulator is almost exactly the same as in the Azure service. There are only
some minor changes to the log file paths to worry about.
Basically, everything remains the same. The only real change is that the base directory changes to C:\Hadoop
as opposed to the C:\apps\dist used in Azure. Also, since the emulator deploys HDInsight cluster version 1.6 as of
this writing, the directory names of each of the projects also change. Figure 11-9 shows the directory structure of the
emulator installation as of the writing of this topic. There is every possibility that the emulator will match the Azure
HDInsight cluster versions in the near future, and that everything will eventually be in sync.
 
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