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CPU and Memory Increase when SfPdfViewer is open

In our UWP application we are using SfPdfViewerControl to preview the pdf file.

Version of syncfusion.sfpdfviewer.uwp: 17.4.0.51

 

The following properties are assigned to the SfPdfViewerControl and the pdf file stream is assigned to ItemsSource.

EnableContextMenu="True"

PageNumberViewMode="Hide"

ShowPageNumber="False"

ViewMode="OnePage"

 

We face the following issues,

 Issue 1: When the pdfviewer is open, the CPU usage of the application is always 4% to 7% even if i didn’t do anything on the screen

Issue 2: When the pdfviewer is open, the memory keeps on increasing 0.1 MB for every second and in an hour it increases 60 MB.

 

Please help us to resolve these issues


4 Replies
AV Ashokkumar Viswanathan Syncfusion Team December 18, 2020 11:41 AM UTC

Hi Selvamz, 
 
Greetings from Syncfusion support, 
 
Please find our comments below, 
Issue 1: When the pdfviewer is open, the CPU usage of the application is always 4% to 7% even if i didn’t do anything on the screen 
We were able to reproduce the issue, “CPU utilization remains always in the range of 4% to 7%”. Currently, we are validating the issue and we will update the patch timeline details on December 22nd , 2020 
 
Issue 2: When the pdfviewer is open, the memory keeps on increasing 0.1 MB for every second and in an hour it increases 60 MB 
We were unable to reproduce the issue, “Memory increase for every second and reaches to 60MB”, but its working as expected where memory consumption is constant only.  
 
Please find the sample which we have tried out in our end, 
 
Kindly share the following details to analyze more on this issue and assist you with the better solution   
  1. PDF document.
  2. Simple sample
  3. Replication video/ illustrating the issue.
 
 
Regards, 
Ashok Kumar Viswanathan. 


MK Muralitharan Karikalan Syncfusion Team December 22, 2020 02:42 PM UTC

Hi Selvamz, 
 
   
We have confirmed that the issue “CPU utilization remains always in the range of 4% to 7%” is a defect and logged a defect report for this issue. The patch for this issue will be delivered on,  January 12, 2021.  
 
  
Please find the feedback link below,  
 
 
Meanwhile, kindly provide the details requested earlier in our last update for the issue “Memory increase for every second and reaches to 60MB” . 
 
   
Regards  
Muralitharan K.  


MK Muralitharan Karikalan Syncfusion Team January 12, 2021 05:34 PM UTC

Hi Selvamz,  
  
Sorry for the inconvenience caused.   
  
We are still resolving the issue, “CPU utilization remains always in the range of 4% to 7%” due to its complexity. We will update the patch on January 19th , 2021 without any further delay.   
  
Regards,  
Muralitharan K 


MK Muralitharan Karikalan Syncfusion Team January 19, 2021 10:46 AM UTC

Hi Selvamz,   
  
We have resolved the issue, “CPU utilization remains always in the range of 4% to 7%” and the custom NuGet for the same can be downloaded from the following link          
       
Custom NuGet :   
  
Disclaimer:   
Please note that we have created this NuGet for version 17.4.0.55 specifically to resolve the following issue(s) reported in this/the forum 160746  
    
Note : Kindly follow the steps to clear the NuGet cache and then install patched NuGet to get the issue resolved.     
      
         
This fix will be included in our 2021 Volume 1 release which is expected to available in the month of March2021.      
   
Regards,   
Muralitharan K. 


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