Republicans want the investigation to wrap up but the time frame is not long compared to other investigations.
This article has time frames for other investigations:
Iran-contra: 6 years, 8 months (1986-1993)
Samuel Pierce, HUD corruption: 9 years (1990-1999)
George H.W. Bush administration, improper search of passport records: 3 years (1992-1995)
Henry Cisneros, mistress payments: 11 years (1995-2006)
Mike Espy, gifts from agriculture company: 6 years (1994-2001)
Bill and Hillary Clinton, Whitewater: 6 years 8 months (1994-2000)
Lewis “Scooter” Libby, CIA leak: 3½ years (2003-2007)
Sad! 