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This is one of a series of blogs developed as part of an overall IoT implementation project for beginners. The project will walk through the hardware needed, operating system installation, data collection and a Power BI dashboard to view the data. These blogs can be reviewed in sequence as part of the overall project or on their own if looking for information on a particular IoT topic.

IoT for Anyone – Introduction. IoT for Anyone – Materials and Connections. IoT for Anyone – Windows 10 IoT Core Operating System Installation. IoT for Anyone – Raspbian Operating System Installation. IoT for Anyone – Power BI Streaming Dataset Setup.

IoT for Anyone – Collecting and Streaming Data from Windows 10 IoT coming soon. IoT for Anyone – Collecting and Streaming Data from Raspbian Operating System this blog.

IoT for Anyone – Designing IoT Microsoft Power BI Dashboard. The steps in this blog will configure the Raspberry Pi running the Raspbian operating system to collect the temperature and humidity sensor data from the Adafruit DHT The data will then be streamed to Microsoft Azure.

These steps are different than those used for the configuration of a Raspberry Pi running Windows 10 IoT Core. For Window 10 IoT Core, review the blog in this series. Several of these commands were originally published in Sirui Sun’s blog called ” Building a Introduction to microsoft project 2016 getting started free download IoT Dashboard with Power BI: A Step-by-Step Tutorial.

py install. Now that you have the data being successfully uploaded to Power BI, before we create our Power BI dashboard in the next blog we want to make sure this script runs on every boot of the Raspberry Pi or other IoT device. The instructions below will setup the sensor collection script to automatically start at boot.

IoT for Anyone – Collecting and Streaming Data from Raspbian Operating System. IoT for Anyone – Designing IoT Microsoft Power BI Dashboard this blog. Power Business Intelligence Power BI is an amazing product that enables those of us who are not data scientists and those of us who are perhaps graphically challenged to do many amazing things with data.

The instructions below will walk you through one way to graphically represent the data being streamed. However, think about how you can change introduction to microsoft project 2016 getting started free download to what you want. Keep in mind that you cannot break the dashboard, so after you get the data initially displayed play with the many settings offered. See what you can come up with! Continuing with the articles in this blog series, we now have temperature and humidity data being collected by our Raspberry Pi running either the Windows 10 IoT Core or Raspbian operating system.

So now, how do we graphically display this data in a Power BI dashboard? For some readers of this blog series you may be new to Power BI and looking for more information. Below are several overview references:.

Several of the steps below were originally published in Sirui Sun’s blog called ” Building a Real-Time IoT Dashboard with Power BI: A Step-by-Step Tutorial. Make sure узнать больше здесь read the entire article! The SQL instances and databases deployed to support SCOM, generally fall into one of two categories:. The SQL server is managed by a DBA team within the company, and that teams standard will be applied.

Most SQL DBA’s will set up some pretty basic default maintenance on all SQL DB’s they support. This often includes, but is introduction to microsoft project 2016 getting started free download limited to:.

SQL DBA’s might schedule these to run via the SQL Agent to execute nightly, weekly, or some combination of the above depending on DB size and requirements. On the other side of the coin in some companies, the SCOM team installs and owns the SQL server and they don’t do ANY default maintenance to SQL. Because of this all too common scenario – a focus in SCOM was to have the Ops DB and Datawarehouse DB to be introduction to microsoft project 2016 getting started free download self-maintaining providing a good level of SQL performance whether or not any default maintenance was being done.

Reindexing is already taking place against the OperationsManager database for some of the tables but not all, and this is important to understand! This is built into the product. What we need to ensure – is that any default DBA maintenance tasks are not conflicting with our built-in maintenance, and our built-in schedules:. There is a rule in OpsMgr that is targeted at the All Management Servers Resource Pool:. This rule cannot be changed or modified.

Therefore – /25912.txt need to ensure there is not adobe illustrator cc free SQL maintenance including backups running at AM, or performance could be impacted.

SELECT TableName, OptimizationStartDateTime, OptimizationDurationSeconds, BeforeAvgFragmentationInPercent, AfterAvgFragmentationInPercent, OptimizationMethod FROM DomainTable dt inner join DomainTableIndexOptimizationHistory dti on dt. domaintableindexrowID ORDER BY OptimizationStartDateTime DESC. SELECT TableName, StatisticName, UpdateStartDateTime, UpdateDurationSeconds FROM DomainTable dt inner join DomainTableStatisticsUpdateHistory dti on dt. domaintablerowID ORDER BY UpdateStartDateTime DESC.

This will show you how long your maintenance is typically running. In a healthy environment these should not take very long. What you might find Introduction to microsoft project 2016 getting started free download tables like the raw perf, event, and localizedtext tables. This brings us to the new perspectives in SCOMespecially when used with SQL In SQLsome changes were made to optimize performance, especially when using new storage subsystems that leverage new disks like SSD.

The net effect of these changes, on SCOM databases, is that they will consume much more space in the database, than when using SQL and previous. The reason for this is deeply technical, and I will cover this later. But what you need to understand as a SCOM owner, is that the sizing guidance will not match up with previous versions of SQL, compared to SQL This isn’t a bad thing, you just need to make some minor changes to counteract this. SCOM inserts performance and event data into the SCOM database via something called BULK INSERT.

When we bulk insert the data, SCOM is designed to use a fairly small batch size by default. In SQLthis creates lots of unused reserved space in the database, that does not get reused.

Note in introduction to microsoft project 2016 getting started free download above graphic — the unused space is over 5 TIMES the space used by actual data! If you want to read more about this — my colleague Dirk Brinkmann worked on discovering the root cause of this issue, and has a great deep dive on this:. The SQL server team also recently added a blog post describing the issue in depth:.

Do not despair. In order to clean up the unused space, a simple Index Rebuild or at a minimum Index Reorganize for each table is all that is needed. HOWEVER — these perf tables are NOT indexed by default! This was likely done when SCOM was designed, because these are not static tables, they contain transient data in the OpsDB, that is only held for a short amount of time.

The long term data is moved into the Data Warehouse DB, where it is aggregated into hourly and daily tables — and those are indexed via built in maintenance.

To resolve this, and likely improve performance of SCOM — I recommend that each SCOM customer set up SQL agent jobs, that handles Index maintenance for the entire OpsDB, once a day.

That lets the built in maintenance run, and wont conflict with too much. You should try and avoid having anything running at AM because of the Alert Auto Resolution. This is a well thought out maintenance plan, that analyzes the tables, and chooses to Reindex or Reorganize based on fragmentation thresholds, skipping tables if not needed introduction to microsoft project 2016 getting started free download all.

The first time you index the entire DB, it may take a long time. Once you set this up to run daily, it will only be optimizing the daily perf and event tables for the most part, which will be a single table containing one days worth. The data warehouse DB is also self-maintaining. This is called out by a rule ” Standard Data Warehouse Data Set maintenance rule ” which is targeted to the ” Standard Data Set ” object type. This stored procedure is called on the data warehouse every 60 seconds.

It performs many, many tasks, of which Index optimization is but one. To examine the index and statistics history – run the following query for the Alert, Event, Perf, and State tables:. select basetablename, optimizationstartdatetime, optimizationdurationseconds, beforeavgfragmentationinpercent, afteravgfragmentationinpercent, optimizationmethod, onlinerebuildlastperformeddatetime from Ссылка на подробности sdoh inner join StandardDatasetAggregationStorageIndex sdasi on sdoh.

StandardDatasetAggregationStorageIndexRowId inner join StandardDatasetAggregationStorage sdas on sdasi. StandardDatasetAggregationStorageRowId ORDER BY OptimizationStartDateTime DESC. In the data warehouse – we can see that all the necessary tables are being updated and reindexed as needed. Since we run our maintenance every 60 seconds, and only execute maintenance when necessary, there is no “set window” where we will run our maintenance jobs.

I will caveat the above statement introduction to microsoft project 2016 getting started free download from findings from the field. We have some new visualization tables and management type tables that do not get optimized, and this can lead to degraded performance. If you manage a very large SCOM environment, this might be worth investigating.

I have seen many support cases which resulted in a manual run of Update Statistics to resolve an issue with performance. For the above reasons, I would be careful with any maintenance jobs on the Data Warehouse DBbeyond a CHECKDB and a good backup schedule.

UNLESS — you are going to analyze the data, determine which areas aren’t getting index maintenance, or determine how out of date your statistics get. Then ensure any custom maintenance wont conflict with built-in introduction to microsoft project 2016 getting started free download. Lastly – I’d like to discuss the recovery model of the SQL database. We default to ” simple ” for all our DB’s.

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Migrating application databases to Microsoft Azure. PDF MOBI EPUB. By carrying out the dependency visualisation assessment you will be able to identify which of your on-premises VMs are interconnected and have dependencies on each other. There is a rule in OpsMgr that is targeted at the All Management Servers Resource Pool:. The upgrade at this point is an Opt-in so if you do nothing you will remain in Office Video till it becomes a forced upgrade.

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