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- WILL EXCEL 2010 64 BIT STOP MEMORY LEAKS FOR FREE
- WILL EXCEL 2010 64 BIT STOP MEMORY LEAKS HOW TO
- WILL EXCEL 2010 64 BIT STOP MEMORY LEAKS CODE
When I did my SharePoint research during my first SharePoint engagements I discovered several “ interesting” implementation details about SharePoint. The following screenshot shows the process of monitoring memory counters, using memory dumps and analyzing memory allocations using Dynatrace: Identifying leaking SPSite and SPWeb Objects #4: Index Columns are not necessarily improving performance
![will excel 2010 64 bit stop memory leaks will excel 2010 64 bit stop memory leaks](https://www.nirsoft.net/utils/gdiview.gif)
Microsoft also provides a tool to identify leaking SPSite and SPWeb objects called SPDisposeCheck. In case of SPSite and SPWeb you should follow the Best Practices as described on MSDN. Use a memory profiler to identify which objects are leaking and what is creating them. Solution: Monitor your memory usage to identify whether you have a memory leak or not. Recycling means losing all current user sessions and paying a performance penalty for those users that hit the worker process again after recycling is finished (first requests are slow during startup). Problem: The problem SharePoint installations run into by not disposing SPSite and SPWeb objects is that the ASP.NET Worker Process is leaking memory (native and managed) and will end up being recycled by IIS in case we run out of memory. What is not obvious is that these objects have to be explicitly disposed in order for the COM objects to be released from memory once no longer needed.
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SPSite and SPWeb objects are used by developers to gain access to the Content Database. While there is nothing wrong with COM, there is with memory management of COM Objects. SharePoint still uses COM Components for some of its core features – a relict of “ the ancient times”. In the very beginning I said “ many things have changed – but some haven’t”. Solution: Use the SPQuery object and its features to limit the number of elements and columns #3: Memory Leaks with SPSite and SPWeb Problem: The main problem that I’ve seen is that developers usually go straight on and only work through SPList to retrieve list items resulting in too much data retrieved from the Content Database Here is an example of such a query:Īs I said it is a bit “ bloated” but it hey – it works ? The syntax is a bit “ bloated” (that is my personal opinion) as it uses XML to define a SQL WHERE like clause. Query specific elements using CAMLCAML allows you to be very specific about which elements you want to retrieve. Looking at the generated SQL makes the difference to the default query mode obvious: SELECT clause only selects those columns defined in SPView or ViewFields
WILL EXCEL 2010 64 BIT STOP MEMORY LEAKS HOW TO
Here is an example of how to use the ViewFields property to only retrieve the ID, Text Field and XZY Column: SPQuery query = new SPQuery() By default – all columns are queried which causes extra stress on the database to retrieve the data, requires more network bandwidth to transfer the data from SQL Server to SharePoint, and consumes more memory in your ASP.NET Worker Process. If you only need certain columns from the List SPQuery.ViewFields can be used to specify which Columns to retrieve. SPQuery.RowLimit limits the number of records retrieved from the SharePoint Content Database
WILL EXCEL 2010 64 BIT STOP MEMORY LEAKS CODE
The following code snippet shows one way to display the Title column of the first 100 items in the current SPList object: SPList activeList = įor(int i=0 i previous position. SPList provides an Item’s property that returns a SPListItemCollection object. #1: Iterating through SPList ItemsĪs a developer I get access to a SPList object – either using it from my current SPContext or creating a SPList object to access a list identified by its name.
WILL EXCEL 2010 64 BIT STOP MEMORY LEAKS FOR FREE
The following blog shows my findings mainly using Dynatrace which you can also download and use for free on your environment. And this brings me straight into the #1 problem I have seen when working with companies that implemented their own solution based on SharePoint. Over the years many things have changed – but some haven’t – like – SharePoint still uses a single database table to store ALL items in any SharePoint List.
![will excel 2010 64 bit stop memory leaks will excel 2010 64 bit stop memory leaks](http://www.geekstogo.com/forum/uploads/monthly_07_2019/post-418910-0-68029000-1564023144.jpg)
It’s been around for almost a decade and grew from a small list and document management application into an application development platform on top of ASP.NET using its own API to manage content in the SharePoint Content Database. SharePoint is without question a fast-growing platform and Microsoft is making lots of money with it.