diff options
| -rw-r--r-- | src/file_handle_cache.erl | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/file_handle_cache.erl b/src/file_handle_cache.erl index 4eaccf4945..5b3485807d 100644 --- a/src/file_handle_cache.erl +++ b/src/file_handle_cache.erl @@ -137,7 +137,14 @@ -define(SERVER, ?MODULE). -define(RESERVED_FOR_OTHERS, 100). --define(FILE_HANDLES_LIMIT_WINDOWS, 10000000). + +%% Googling around suggests that Windows has a limit somewhere around +%% 16M, eg +%% http://blogs.technet.com/markrussinovich/archive/2009/09/29/3283844.aspx +%% however, it turns out that's only available through the win32 +%% API. Via the C Runtime, we have just 512: +%% http://msdn.microsoft.com/en-us/library/6e3b887c%28VS.80%29.aspx +-define(FILE_HANDLES_LIMIT_WINDOWS, 512). -define(FILE_HANDLES_LIMIT_OTHER, 1024). -define(FILE_HANDLES_CHECK_INTERVAL, 2000). @@ -820,16 +827,13 @@ maybe_reduce(State = #fhc_state { limit = Limit, count = Count, elders = Elders, maybe_reduce(State) -> State. -%% Googling around suggests that Windows has a limit somewhere around -%% 16M, eg -%% http://blogs.technet.com/markrussinovich/archive/2009/09/29/3283844.aspx -%% For everything else, assume ulimit exists. Further googling -%% suggests that BSDs (incl OS X), solaris and linux all agree that -%% ulimit -n is file handles +%% For all unices, assume ulimit exists. Further googling suggests +%% that BSDs (incl OS X), solaris and linux all agree that ulimit -n +%% is file handles ulimit() -> case os:type() of {win32, _OsName} -> - ?FILE_HANDLES_LIMIT_WINDOWS; + ?FILE_HANDLES_LIMIT_WINDOWS - ?RESERVED_FOR_OTHERS; {unix, _OsName} -> %% Under Linux, Solaris and FreeBSD, ulimit is a shell %% builtin, not a command. In OS X, it's a command. |