New question #198404 on Graphite:
https://answers.launchpad.net/graphite/+question/198404
Hi,
I'm currently using graphite in for a Ruby on Rails app, we would like to pass
batches of metrics to carbon via the pickle protocol, but knowing it's on
python, I decided to use the RubyPython gateway. Here's my code,
RubyPython.start
stats= "[(path,(#{2.months.ago.to_i}, 10000))]"
cPickle = RubyPython.import 'cPickle'
serialized_stats = cPickle.dumps(stats, protocol=-1)
struct = RubyPython.import 'struct'
length = serialized_stats.rubify.length.to_i
puts length
header = struct.pack("!L", length)
message = header + serialized_stats
socket.write(message)
RubyPython.stop
socket.close
Everything works fine, no errors in the ruby side, but in the carbon-cache
server I get this error
25/05/2012 12:42:05 :: [console] Unhandled Error
Traceback (most recent call last):
File "/usr/local/lib/python2.7/site-packages/twisted/python/log.py", line 84,
in callWithLogger
return callWithContext({"system": lp}, func, *args, **kw)
File "/usr/local/lib/python2.7/site-packages/twisted/python/log.py", line 69,
in callWithContext
return context.call({ILogContext: newCtx}, func, *args, **kw)
File "/usr/local/lib/python2.7/site-packages/twisted/python/context.py", line
118, in callWithContext
return self.currentContext().callWithContext(ctx, func, *args, **kw)
File "/usr/local/lib/python2.7/site-packages/twisted/python/context.py", line
81, in callWithContext
return func(*args,**kw)
--- <exception caught here> ---
File
"/usr/local/lib/python2.7/site-packages/twisted/internet/selectreactor.py",
line 150, in _doReadOrWrite
why = getattr(selectable, method)()
File "/usr/local/lib/python2.7/site-packages/twisted/internet/tcp.py", line
199, in doRead
rval = self.protocol.dataReceived(data)
File "/usr/local/lib/python2.7/site-packages/twisted/protocols/basic.py",
line 755, in dataReceived
self.stringReceived(packet)
File "/opt/graphite/lib/carbon/protocols.py", line 93, in stringReceived
for (metric, datapoint) in datapoints:
hope anyone can give me a clue to solve this
thanks!!!
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