[GUACAMOLE-1247] Failure to get SFTP list when there are many file lists

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 1.2.0
• Component/s: guacamole-client
• Assignee: Unassigned
• Reporter: kwangheelee
• Created: 30/Dec/20 09:26
• Updated: 30/Dec/20 09:34

Description

When there are many files in the Linux directory, an error occurs and the connection is disconnected. 

Currently, there are more than 40,000 files in a specific directory, and an error occurs when searching the file list through SFTP. I think, this case is not ideal, but some users operate servers that way.

After profiling to find the cause of the problem, it seems that the connection is disconnected because a lot of time is consumed when rendering the DOM after parsing the json by getting the list of SFTP files. (Please refer to the attached photos.)

//guacFileBrowser.js
// Watch directory contents once file template is available $templateRequest('app/client/templates/file.html').then(function fileTemplateRetrieved(html) {
   // Store file template statically 
   fileTemplate = html;

   // Update the contents of the file browser whenever the current directory (or its contents) changes      
   $scope.$watch('filesystem.currentDirectory.files', function currentDirectoryChanged(files) {
     // Clear current content 
     currentDirectoryContents.html('');
 
     // Display all files within current directory, sorted 
     angular.forEach(sortFiles(files), function displayFile(file) {     
         currentDirectoryContents.append(createFileElement(file)); });
     });
}, angular.noop); // end retrieve file template

 

In my opinion, it takes a lot of time to render the DOM. If you use the lazy loading technique, it seems that you can immediately show the list to the user without disconnecting.

Thanks.