#1490: Daemon uses 4% cpu when idle
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Reporter: tes | Owner:
Type: bug | Status: pending
Priority: minor | Milestone: Future
Component: core | Version: 1.3.5
Resolution: | Keywords:
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Comment(by HolgiH):
This is caused by the use of Twisted for noblocking IO, since python
doesn't have a working thread model and cannot afford to block for
extended periods of time. It got worse with twisted >11.0.0 (which I'm
currently using on Gentoo/x86); updating to 11.1.0 or later significantly
raises the CPU use & context switch rate on an otherwise completely idle
system, in line with the 4% observed here.
Looking at http://labs.twistedmatrix.com/2011/11/twisted-1110-has-been-
released.html I see: "The poll() reactor as default where applicable,
instead of select() everywhere."
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Ticket URL: <http://dev.deluge-torrent.org/ticket/1490#comment:11>
Deluge <http://deluge-torrent.org/>
Deluge project
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