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From Diego Woitasen <diego.woita...@vhgroup.net>
Subject Error stressing with pyaccumulo app
Date Thu, 30 Jan 2014 14:46:53 GMT
Hi,
 I'm testing with a ten node cluster with the proxy enabled in all the
nodes. I'm doing a stress test balancing the connection between the
proxies using round robin. When I increase the load (400 workers
writting) I get this error:

AccumuloSecurityException:
AccumuloSecurityException(msg='org.apache.accumulo.core.client.MutationsRejectedException:
# constraint violations : 0  security codes: []  # server errors 0 #
exceptions 1')

The complete message is:

AccumuloSecurityException:
AccumuloSecurityException(msg='org.apache.accumulo.core.client.MutationsRejectedException:
# constraint violations : 0  security codes: []  # server errors 0 #
exceptions 1')
kvlayer-test client failed!
Traceback (most recent call last):
  File "tests/kvlayer/test_accumulo_throughput.py", line 64, in __call__
    self.client.put('t1', ((u,), self.one_mb))
  File "/home/ubuntu/kvlayer-env/local/lib/python2.7/site-packages/kvlayer-0.2.7-py2.7.egg/kvlayer/_decorators.py",
line 26, in wrapper
    return method(*args, **kwargs)
  File "/home/ubuntu/kvlayer-env/local/lib/python2.7/site-packages/kvlayer-0.2.7-py2.7.egg/kvlayer/_accumulo.py",
line 154, in put
    batch_writer.close()
  File "/home/ubuntu/kvlayer-env/local/lib/python2.7/site-packages/pyaccumulo_dev-1.5.0.2-py2.7.egg/pyaccumulo/__init__.py",
line 126, in close
    self._conn.client.closeWriter(self._writer)
  File "/home/ubuntu/kvlayer-env/local/lib/python2.7/site-packages/pyaccumulo_dev-1.5.0.2-py2.7.egg/pyaccumulo/proxy/AccumuloProxy.py",
line 3149, in closeWriter
    self.recv_closeWriter()
  File "/home/ubuntu/kvlayer-env/local/lib/python2.7/site-packages/pyaccumulo_dev-1.5.0.2-py2.7.egg/pyaccumulo/proxy/AccumuloProxy.py",
line 3172, in recv_closeWriter
    raise result.ouch2

I'm not sure if the errror is produced by the way I'm using the
cluster with multiple proxies, may be I should use one.

Ideas are welcome.

Regards,
  Diego

-- 
Diego Woitasen
VHGroup - Linux and Open Source solutions architect
www.vhgroup.net

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