Unable to collect files information from datastore in a timely manner due to high vCenter server load.

# Display the current time and a message to indicate that datastores are being retrieved
Write-Host (Get-Date).TimeOfDay "Getting datastores..."

# Retrieve the list of all datastores
$datastores = Get-Datastore
# Display the current time and the count of datastores found
Write-Host (Get-Date).TimeOfDay "$($datastores.Count) datastores found."

# Create a FileQueryFlags object to specify which file details to retrieve
$fileQueryFlags = New-Object VMware.Vim.FileQueryFlags
$fileQueryFlags.FileSize = $true
$fileQueryFlags.FileType = $true
$fileQueryFlags.Modification = $true
$fileQueryFlags.FileOwner = $true

# Create a FileQuery object for searching files
$fileQuery1 = New-Object VMware.Vim.FileQuery

# Define a search specification for general file search
$searchSpec1 = New-Object VMware.Vim.HostDatastoreBrowserSearchSpec
$searchSpec1.details = $fileQueryFlags
$searchSpec1.sortFoldersFirst = $true
$searchSpec1.MatchPattern += "*.*" # Match all files

# Define a search specification for finding VMDK-related files
$searchSpec2 = New-Object VMware.Vim.HostDatastoreBrowserSearchSpec
$searchSpec2.details = $fileQueryFlags
$searchSpec2.sortFoldersFirst = $true
$searchSpec2.MatchPattern += "*delta.vmdk" # Match delta VMDK files
$searchSpec2.MatchPattern += "*flat.vmdk"  # Match flat VMDK files

# Assign the file query to the general search specification
$searchSpec1.Query = $fileQuery1

# Iterate over each datastore
foreach ($datastore in $datastores) {
    # Retrieve the view object of the datastore for detailed access
    $datastoreView = $datastore | Get-View

    # Check if the datastore is accessible
    if ($datastore.Accessible -ne $true) {
        # If not accessible, skip file collection and display a message
        Write-Host (Get-Date).TimeOfDay "Skipping file collection because $($datastoreView.Summary.Name) ($($datastoreView.Summary.Datastore.Value)) is not accessible."
    } else {
        # Retrieve the view object for the datastore browser to perform searches
        $datastoreBrowser = Get-View $datastoreView.Browser
        # Construct the root path for searching
        $rootPath = "[" + $datastoreView.Summary.Name + "]"

        # Attempt to collect VMDK-related files
        Write-Host (Get-Date).TimeOfDay "Trying to collect *.vmdk and *.flat files from $($datastoreView.Summary.Name) ($($datastoreView.Summary.Datastore.Value))."
        $searchResult2 = $datastoreBrowser.SearchDatastoreSubFolders($rootPath, $searchSpec2)
        # Display completion message with the count of files found
        Write-Host (Get-Date).TimeOfDay "Completed. $($searchResult2.Count) files found on $($datastoreView.Summary.Name) ($($datastoreView.Summary.Datastore.Value))."

        # Attempt to collect other files
        Write-Host (Get-Date).TimeOfDay "Trying to collect other files from $($datastoreView.Summary.Name) ($($datastoreView.Summary.Datastore.Value))."
        $searchResult1 = $datastoreBrowser.SearchDatastoreSubFolders($rootPath, $searchSpec1)
        # Display completion message with the count of files found
        Write-Host (Get-Date).TimeOfDay "Completed. $($searchResult1.Count) files found on $($datastoreView.Summary.Name) ($($datastoreView.Summary.Datastore.Value))."
    }
}