#4029: ghci leaks memory when loading a file
-------------------------------------------+--------------------------------
Reporter: blarsen | Owner: simonmar
Type: bug | Status: new
Priority: normal | Milestone: _|_
Component: GHCi | Version:
Resolution: | Keywords: memory leak
Difficulty: | Os: Unknown/Multiple
Testcase: | Architecture: Unknown/Multiple
Failure: Compile-time performance bug |
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Changes (by simonmar):
* priority: high => normal
* milestone: 6.14.1 => _|_
Comment:
I fixed a leak:
{{{
Fri Jul 2 06:02:10 PDT 2010 Simon Marlow <[email protected]>
* Fix a few places where we forgot to close the text codecs (#4029)
Each time you invoke :load in GHCi it resets the CAFs, including
stdin/stdout/stderr, and each of these was allocating a new iconv_t.
}}}
The process still grows when repeatedly loading a file, but much more
slowly than before. The heap profile shows that there is a small leak
somewhere (THUNK_2_0 is growing, everything else is constant). You can
get a heap profile just by adding `+RTS -h` to `ghci`.
So I guess we should leave the ticket open as there's still a small leak,
but I don't think it's a show stopper, so I'll remove the ticket from the
6.14.1 milestone.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4029#comment:14>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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