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Re: [tor-bugs] #22255 [Core Tor/Tor]: Frequent OOM kills of tor process
#22255: Frequent OOM kills of tor process
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Reporter: DeS | Owner:
Type: defect | Status: new
Priority: High | Milestone: Tor: 0.3.0.x-final
Component: Core Tor/Tor | Version:
Severity: Major | Resolution:
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Comment (by cypherpunks):
peak time was at Don Jun 15 04:21:40 CEST 2017
your smem logs say that
- RSS system total: 0.33%
- tor used very little memory but a lot of swap space (>270MB per process)
(which very likely causes your system to hang completely)
(again you do not provide any swap in/out graphs)
your /proc/meminfo says:
- 3664 MB memory used (does not show in smem -> kernel memory?)
- 679 MB SWAP used
What is your swapiness?
Possible next items:
- add another smem output to list kernel memory:
- {{{smem -kwt}}}
- Try disabling tor's swap usage: {{{ DisableAllSwap 1 }}}
I guess this will kill tor earlier but prevent the extreme
swaping/trashing.
- try to reproduce on clean system with same relay keys
- guess I was wrong when I said tor might be using more memory before it
was killed
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22255#comment:58>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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