[tahoe-lafs-trac-stream] [Tahoe-LAFS] #2342: Too many open files

[Tahoe-LAFS]

#2342: Too many open files
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     Reporter:  zooko   |      Owner:
         Type:  defect  |     Status:  new
     Priority:  normal  |  Milestone:  undecided
    Component:  code    |    Version:  1.10.0
   Resolution:          |   Keywords:
Launchpad Bug:          |
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Comment (by warner):

 Seems like a decent theory.. you might add a timed loop that counts/logs
 the number of `allmydata.immutable.upload.Uploader` instances, and/or
 `upload.FileHandle`+subclasses (specifically `FileName`). If an upload
 gets wedged and stops making any progress, it will hold a filehandle open
 forever, and eventually an `open()` will fail like that.

 You might also `lsof` the client in question and see what filehandles it
 has open: if it's this problem, there'll be a lot of `/tmp` files in the
 list, recently opened by HTTP uploads but not yet pushed out to the grid.

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2342#comment:4>
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