One of our data nodes was removed from the cluster by the master for some
unknown reason. In its log file, I found the following log entry right
before removal. Is it an indicator of underlying issue? This only happened
to one of the data nodes, all others behaved well at the moment.
[2014-08-01 04:18:20,013][WARN ][transport.netty ] [data2-50] Message
read past expected size (request) for  and action
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