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Control.Funflow.Exernal.Executor.execute leaks file handles #112

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mpickering opened this issue Sep 20, 2018 · 0 comments · Fixed by #113
Closed

Control.Funflow.Exernal.Executor.execute leaks file handles #112

mpickering opened this issue Sep 20, 2018 · 0 comments · Fixed by #113

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@mpickering
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When you write a flow which captures stdout, two new files are created stdout and stderr which is where the output is redirected to. These handles are created in execute and then passed to proc but once the process has finished they are never closed. This means that they leak and eventually you will hit the open file limit. You can observe this by looking at lsof.
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Explicitly close stderr and stdout handles to stop leaking fds mpickering/funflow
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@mpickering