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Re: [tor-bugs] #24308 [Core Tor/Tor]: MaxMemInCellQueues minimum of 256MB is still too large for low-RAM relays (LEDE and OpenWRT routers)



#24308: MaxMemInCellQueues minimum of 256MB is still too large for low-RAM relays
(LEDE and OpenWRT routers)
-------------------------------------------------+-------------------------
 Reporter:  pmetras                              |          Owner:  (none)
     Type:  defect                               |         Status:  new
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.3.3.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.2.9.12
 Severity:  Normal                               |     Resolution:
 Keywords:  tor-                                 |  Actual Points:
  relay,lowmem,openwrt,lede,router               |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by pmetras):

 For your information, the previous version of Tor on OpenWRT Chaos Calmer
 was `TorVersion Tor 0.2.5.12` indeed, now declared insecure.

 I didn't had to specify a `MaxMemInCellQueues` value with that version.
 The warning "Using 256MB..." and the crashes appeared in the log with
 0.2.9

 May I suggest that using a negative number like `MaxMemInCellQueues
 -128Mb` will enforce the given value, bypassing the default? I understand
 that low-RAM hardware has to be tuned by owners and won't/should'n support
 automatic defaults blindly. So if the admin decides to overwrite the
 software defaults, that's his own responsibility and it should not happen
 by mistake.

 If I know the syntax you'll be using, I can backport the code in my
 version and my relay will be up again. Thanks.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24308#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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