When you had multiple proxies, what were the failures on that tablet
server (10.202.6.46:9997).
I'm curious why using one proxy didn't cause errors but multiple did.
On 1/31/14, 4:44 PM, Diego Woitasen wrote:
I've reproduced the error and I've found this in the proxy logs:
2014-01-31 19:47:50,430 [server.THsHaServer] WARN : Got an
IOException in internalRead!
java.io.IOException: Connection reset by peer
at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
at sun.nio.ch.IOUtil.read(IOUtil.java:197)
at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:379)
at
org.apache.thrift.transport.TNonblockingSocket.read(TNonblockingSocket.java:141)
at
org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.internalRead(AbstractNonblockingServer.java:515)
at
org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.read(AbstractNonblockingServer.java:305)
at
org.apache.thrift.server.AbstractNonblockingServer$AbstractSelectThread.handleRead(AbstractNonblockingServer.java:202)
at
org.apache.thrift.server.TNonblockingServer$SelectAcceptThread.select(TNonblockingServer.java:198)
at
org.apache.thrift.server.TNonblockingServer$SelectAcceptThread.run(TNonblockingServer.java:154)
2014-01-31 19:51:13,185 [impl.ThriftTransportPool] WARN : Server
10.202.6.46:9997:9997 (30000) had 20 failures in a short time period,
will not complain anymore
A lot of this messages appear in all the proxies.
I tried the same stress tests agaisnt one proxy and I was able to
increase the load without getting any error.
Regards,
Diego
On Thu, Jan 30, 2014 at 2:47 PM, Keith Turner <[email protected]> wrote:
Do you see more information in the proxy logs? "# exceptions 1" indicates
an unexpected exception occured in the batch writer client code. The proxy
uses this client code, so maybe there will be a more detailed stack trace in
its logs.
On Thu, Jan 30, 2014 at 9:46 AM, Diego Woitasen <[email protected]>
wrote:
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
