Update on this: I've shut down all the servers multiple times. Also cleared the data directories and reformatted the namenode. Restarted it and the same results: 100% cpu and millions of these calls to isBPServiceAlive.
2011/11/29 Stephen Boesch <java...@gmail.com> > I am just trying to get off the ground with MRv2. The first node (in > pseudo distributed mode) is working fine - ran a couple of TeraSort's on > it. > > The second node has a serious issue with its single DataNode: it consumes > 100% of one of the CPU's. Looking at it through JVisualVM, there are over > 8 million invocations of isBPServiceAlive in a matter of a minute or so and > continually incrementing at a steady clip. A screenshot of the JvisualVM > cpu profile - showing just shy of 8M invocations is attached. > > What kind of configuration error could lead to this? The conf/masters and > conf/slaves simply say localhost. If need be I'll copy the *-site.xml's. > They are boilerplate from the Cloudera page by Ahmed Radwan. > > > > >
