[tor-bugs] #13574 [Onionoo]: Tweak memory usage of hourly cronjob

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Oct 28 03:39:03 UTC 2014


#13574: Tweak memory usage of hourly cronjob
-----------------------------+--------------------------
     Reporter:  karsten      |      Owner:
         Type:  enhancement  |     Status:  needs_review
     Priority:  normal       |  Milestone:
    Component:  Onionoo      |    Version:
   Resolution:               |   Keywords:
Actual Points:               |  Parent ID:
       Points:               |
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Comment (by karsten):

 Latest patch looks good so far, but earlier branches worked fine for a
 while before breaking, too.  I just attached a graph with
 [https://trac.torproject.org/projects/tor/attachment/ticket/13574/classhist-2014-10-28.png
 totals of top-20 classes in heap by occupied bytes].  The red lines are
 timestamps of thrown exceptions.  From the timing it seems like the next
 exception might be thrown within the next 12 hours or so.  Let's see.

 Regarding replacing Gson with something else, I agree that this would be a
 long-term solution.  I'm actually happy with Gson, except for this
 particular problem which seems related to it.  Though I never ran into
 this issue on the main Onionoo instance, just on the mirror.  I'd rather
 not want to give up on Gson unless we're certain that it's the issue.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13574#comment:4>
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