Re: [GHC] #13296: stat() calls can block Haskell runtime

#13296: stat() calls can block Haskell runtime -------------------------------------+------------------------------------- Reporter: nh2 | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Runtime System | Version: 8.0.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ben Gamari ): In [changeset:"cafe98345cb5d4b11f2059d60d2f20e976ef4f2a/ghc" cafe9834/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="cafe98345cb5d4b11f2059d60d2f20e976ef4f2a" Always use the safe open() call open() can sometimes take a long time, for example on NFS or FUSE filesystems. We recently had a case where open() was taking multiple seconds to return for a (presumably overloaded) FUSE filesystem, which blocked GC and caused severe issues. Test Plan: validate Reviewers: niteria, bgamari, nh2, hvr, erikd Reviewed By: bgamari Subscribers: rwbarton, thomie, carter GHC Trac Issues: #13296 Differential Revision: https://phabricator.haskell.org/D4239 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13296#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler