• File types
  • File types in A
    • Mime types
    • Detected extensions
    • Conflicts between actual and detected extensions
  • File types in B
    • Mime types
    • Detected extensions
    • Conflicts between actual and detected extensions
  • Differences in mime types between A and B
• Exception Counts
  • Exceptions in A
  • Exceptions by detected type
  • Exceptions by file extension
  • Exceptions in B
  • Exceptions by detected type
  • Exceptions by file extension
  • Exceptions compared A and B
  • Overall comparison
  • Exceptions in A but not B ("fixed exceptions")
  • Exceptions in B but not A ("new exceptions")
• Stack traces
  • Stack traces in A
    • Stack traces by overall count
    • Stack traces and file extension ordered by overall count
    • Stack traces and file extension ordered by detected file extension
  • Stack traces in B
    • Stack traces by overall count
    • Stack traces and file extension ordered by overall count
    • Stack traces and file extension ordered by detected file extension
• Number of metadata values
  • Number of metadata values in A by content type
  • Number of metadata values in B by content type
  • Number of files with fewer metadata values in B than A (metadata loss)
  • Number of files with fewer metadata values in A than B (metadata gain)
• Attachments
  • Attachments in A
    • Attachments by detected type
    • Attachments by extension
  • Attachments in B
    • Attachments by detected type
    • Attachments by extension
  • Attachments differences between A and B
    • More in A than B ("lost attachments")
    • More in B than A ("new attachments")
• Detected languages
  • Detected Languages in A
    • Overall counts
    • By content type then language
    • By language then content type
  • Detected languages in B
    • Overall counts
    • By content type then language
    • By language then content type
  • Detected languages in A vs. B
    • Language differences A to B, counts
    • Language differences A to B by extension
• Content differences identified by heuristic threshold
  • By file extension
  • Each file
• Time to process
  • Milliseconds per file extension in A
  • Milliseconds per file extension in B
  • A compared with B be detected type