FBI Director Christopher Wray is doubling the number of FBI personnel tasked with responding to records requests from House Judiciary Chairman Bob Goodlatte Robert (Bob) William GoodlatteNo documents? Hoping for legalization? Be wary of Joe Biden Press: Trump's final presidential pardon: himself USCIS chief Cuccinelli blames Paul Ryan for immigration inaction MORE (R-Va.), he said in a statement Tuesday night.

Up until Tuesday, 27 dedicated staffers were working to process Goodlatte's request. The committee has received about 3,000 documents so far.

Wray said while there is a very large number of documents to provide, "I agree that the current pace of production is too slow."

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Goodlatte — who along with House Oversight and Government Committee Chairman Trey Gowdy Harold (Trey) Watson GowdySunday shows preview: Election integrity dominates as Nov. 3 nears Tim Scott invokes Breonna Taylor, George Floyd in Trump convention speech Sunday shows preview: Republicans gear up for national convention, USPS debate continues in Washington MORE (R-S.C.) is investigating alleged bias at the Justice Department — last week issued a subpoena to obtain documents related to how the FBI handled its probe into Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE’s email server and potential surveillance abuses.

Conservatives on the two committees have become increasingly frustrated with what they say is the slow pace with which the Justice Department has turned over documents, leading to slow-going in the probe.

Specifically, lawmakers want to see a tranche of over a million documents examined by Department of Justice (DOJ) Inspector General Michael Horowitz, who is conducting a parallel probe into decisionmaking during the 2016 election.

"Quite candidly, if you're a FOIA applicant, you have a better chance of getting information," Gowdy told The Hill in an interview last week.

Democrats have called the Goodlatte-Gowdy probe a partisan distraction aimed at muddying the waters around special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE's investigation into President Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE's campaign and Russia.

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DOJ spokesman Ian Prior said in a statement last week that officials are carefully combing through the documents page-by-page to protect certain sensitive information. The committee has been receiving documents on a rolling basis every 10 to 14 days, he said.

He also pushed back on the breadth of the document request, saying the DOJ believes there are 30,000 documents relevant to the committee's inquiry and describing the 1.2 million document request as "substantial."

Fifty-four FBI staff members, working in two shifts from 8 a.m. to midnight, will now work to "expedite" the project, according to Wray.

-- Olivia Beavers contributed.