Larry Martell larry.mart...@gmail.com writes:
I figured out what is causing this. Each pass through the loop it does:
self.tools = Tool.objects.filter(ip__isnull=False)
And that is what is causing the memory consumption. If I move that
outside the loop and just do that once the memory issue
On Wed, Mar 5, 2014 at 5:27 PM, Larry Martell larry.mart...@gmail.com wrote:
I have a script that forks off other processes and attempts to manage
them. Here is a stripped down version of the script:
self.sleepTime = 300
self.procs = {}
self.startTimes = {}
On Thu, Mar 6, 2014 at 4:56 PM, Larry Martell larry.mart...@gmail.com wrote:
On Wed, Mar 5, 2014 at 5:27 PM, Larry Martell larry.mart...@gmail.com wrote:
I have a script that forks off other processes and attempts to manage
them. Here is a stripped down version of the script:
On Fri, Mar 7, 2014 at 8:56 AM, Larry Martell larry.mart...@gmail.com wrote:
I figured out what is causing this. Each pass through the loop it does:
self.tools = Tool.objects.filter(ip__isnull=False)
And that is what is causing the memory consumption. If I move that
outside the loop and just
On Fri, Mar 7, 2014 at 9:07 AM, Larry Martell larry.mart...@gmail.com wrote:
Apparently the object returned by that call is immutable as if I look
at id(self.tools) each pass through the loop, it is different. Is
there some way I can recover that memory?
Not sure what mutability has to do with
On Thu, Mar 6, 2014 at 5:11 PM, Chris Angelico ros...@gmail.com wrote:
On Fri, Mar 7, 2014 at 8:56 AM, Larry Martell larry.mart...@gmail.com wrote:
I figured out what is causing this. Each pass through the loop it does:
self.tools = Tool.objects.filter(ip__isnull=False)
And that is what is
Chris Angelico ros...@gmail.com:
Not all problems need to be solved perfectly :) But at very least, I
would put a comment against your collect() call explaining what
happens: that self.tools is involved in a refloop. Most Python code
shouldn't have to call gc.collect(), so it's worth
On Fri, Mar 7, 2014 at 9:21 AM, Larry Martell larry.mart...@gmail.com wrote:
First I added del(self.tools) before the Django call. That did not
stop the memory consumption. Then I added a call to gc.collect() after
the del and that did solve it. gc.collect() returns 0 each time, so
I'm going
On Fri, Mar 7, 2014 at 9:34 AM, Marko Rauhamaa ma...@pacujo.net wrote:
Chris Angelico ros...@gmail.com:
Not all problems need to be solved perfectly :) But at very least, I
would put a comment against your collect() call explaining what
happens: that self.tools is involved in a refloop. Most
Chris Angelico ros...@gmail.com:
I think this thread is proof that they are to be avoided. The GC
wasn't doing its job unless explicitly called on. The true solution is
to break the refloop; the quick fix is to call gc.collect(). I stand
by the recommendation to put an explanatory comment
On Fri, Mar 7, 2014 at 10:12 AM, Marko Rauhamaa ma...@pacujo.net wrote:
Chris Angelico ros...@gmail.com:
I think this thread is proof that they are to be avoided. The GC
wasn't doing its job unless explicitly called on. The true solution is
to break the refloop; the quick fix is to call
Chris Angelico ros...@gmail.com:
Can you give a useful example of a closure that does create a refloop?
Just the other day, I mentioned the state pattern:
class MyStateMachine:
def __init__(self):
sm = self
class IDLE:
def ding(self):
On Fri, Mar 7, 2014 at 10:53 AM, Marko Rauhamaa ma...@pacujo.net wrote:
Chris Angelico ros...@gmail.com:
Can you give a useful example of a closure that does create a refloop?
Just the other day, I mentioned the state pattern:
class MyStateMachine:
def __init__(self):
Chris Angelico ros...@gmail.com:
On Fri, Mar 7, 2014 at 10:53 AM, Marko Rauhamaa ma...@pacujo.net wrote:
class MyStateMachine:
def __init__(self):
sm = self
class IDLE:
def ding(self):
sm.open_door()
I have a script that forks off other processes and attempts to manage
them. Here is a stripped down version of the script:
self.sleepTime = 300
self.procs = {}
self.startTimes = {}
self.cmd = ['python', '/usr/local/motor/motor/app/some_other_script.py']
On Thu, Mar 6, 2014 at 9:27 AM, Larry Martell larry.mart...@gmail.com wrote:
I have a script that forks off other processes and attempts to manage
them. Here is a stripped down version of the script:
self.sleepTime = 300
That's not a stand-alone script. What environment is it running
On Wed, Mar 5, 2014 at 5:39 PM, Chris Angelico ros...@gmail.com wrote:
On Thu, Mar 6, 2014 at 9:27 AM, Larry Martell larry.mart...@gmail.com wrote:
I have a script that forks off other processes and attempts to manage
them. Here is a stripped down version of the script:
self.sleepTime
On Thu, Mar 6, 2014 at 11:20 AM, Larry Martell larry.mart...@gmail.com wrote:
On Wed, Mar 5, 2014 at 5:39 PM, Chris Angelico ros...@gmail.com wrote:
On Thu, Mar 6, 2014 at 9:27 AM, Larry Martell larry.mart...@gmail.com
wrote:
I have a script that forks off other processes and attempts to
On Wed, Mar 5, 2014 at 7:33 PM, Chris Angelico ros...@gmail.com wrote:
On Thu, Mar 6, 2014 at 11:20 AM, Larry Martell larry.mart...@gmail.com
wrote:
On Wed, Mar 5, 2014 at 5:39 PM, Chris Angelico ros...@gmail.com wrote:
On Thu, Mar 6, 2014 at 9:27 AM, Larry Martell larry.mart...@gmail.com
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