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Re: [fuse-devel] fuse_mt - limit 10 threads question
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From: 蒋文佼 <j.w...@gm...> - 2014-01-06 12:03:57
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There only 12 active fuse threads in the fuse kernel part.
How can I get more active fuse thread?
2014/1/6 Miklos Szeredi <mi...@sz...>
> On Mon, Jan 06, 2014 at 08:36:54AM +0000, Jakub Moscicki wrote:
> > Hello,
> >
> > There seems to be a limit of 10 threads in the fuse_loop_mt.c at line
> 122 below:
> >
> > > cat fuse-2.9.3/lib/fuse_loop_mt.c
> >
> > …
> > 120 if (!isforget)
> > 121 mt->numavail++;
> > 122 if (mt->numavail > 10) {
> > 123 if (mt->exit) {
> > 124 pthread_mutex_unlock(&mt->lock);
> > 125 return NULL;
> > 126 }
> > …
> >
> > Is this a hard limit of threads existing at any single time? Or is this
> rather
> > a default thread pool size if there are idling threads? If this is a hard
> > limit then what is the reason for it? Would you expect threading/locking
> > problems if I had ~100 apache threads trying to make use of a filesystem
> via
> > multithreaded fuse?
>
> This is the number of *idle* threads. There's no limit on the number of
> active
> threads.
>
> Thanks,
> Miklos
>
>
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