Optimizing Your Log Analytics Logs Blade

Microsoft recently release the new Logs experience with this also removing the link to the Advanced Analytics Portal which was separate portal. My friend and fellow MVP Stefan Roth opened a e-mail discussion to some of us asking if there is a way to reach his workspace again from the Advanced Analytics Portal as that portal offered cleaner experience where Logs is a little bit cluttered due to being general portal for Azure services. I had some tips on how to use better the Logs experience in Azure Portal and my friend and fellow MVP Cameron Fuller thought that we should share this with the community thus this blog post.

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It Is Time to Erase OMS Acronym From Your Dictionary

As I still see people confused and not informed about OMS I’ve decided to write this blog post and lay my thoughts around the end of OMS.
If you are not sure what is OMS that is ok and you do not necessary need to know but if you are curious you should check out my blog post What is OMS and a Brief History of It. At Ignite 2018 Microsoft probably announced the last major change related to OMS. This was announced on the Azure blog and at Ignite session. To put it in short Log Analytics (which is in 99% what people refer to when they say OMS) is part of Azure Monitor. In Azure Monitor you might see it being called just Logs for short. But besides that there are actually way more changes some of which happened at Ignite others were happening for quite some time.

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What is OMS and a Brief History of It

While discussing Azure/OMS topics in the community I often see incorrect usage of OMS (Operations Management Suite). That is understandable of course as Microsoft hasn’t done good job at clearing out all the terms but I still think we should be using the correct term when posting questions or discussing OMS in forums and other sites. This can help us communicate better between each other and especially in forums could result to answering question faster. As we the move from OMS Portal to Azure Portal it was about time to write this blog post which I’ve intended to do for quite some time but always delayed due to different circumstances.

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OMS Portal Moving to Azure

For quite some time it was clear that the OMS Portal will move completely to Azure and that is good news. We have seen services like Update Management, Azure Security Center (Security & Audit solution is part of it) releasing new functionalities only in Azure Portal. In fact some services that have been part of OMS (OMS is a suite not a product or service) have always been in Azure Portal. Such services are Azure Backup, Site Recovery, Application Insights, etc. Microsoft has documented OMS Portal deprecation but I would like to add some things to the ones documented there:

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Aggregate on More Than One Column for Azure Log Search Alerts

Log Analytics alerts aka Azure Log Search Alerts allows you to create a single alert and trigger alert instances per a column. This is possible by creating metric measurement alert. Unfortunately these types of alerts also have a limitation which might be blocking in certain situation. The classical example for that limitation is to create a single alert that will separate instance for free disk space threshold for each computer and disk. The query representation of that looks like this:

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