logs full of state: diagnostics: "", exit_status: -1000,

[Alexandre Fouche <al...@cleverscale.com>]

Hi,

What is NodeStatusUpdaterImpl and what do these lines in /var/log/hadoop-yarn/yarn-yarn-nodemanager-....log with exit_status=-1000 mean ? My nodemanager logs are full of it, and i cannot figure out if it means something, or if these are just harmless or buggy messages. 346 lines out of a job log of 1046 lines are these -1000 statuses

    2012-10-29 13:44:12,943 INFO org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Sending out status for container: container_id {, app_attempt_id {, application_id {, id: 6, cluster_timestamp: 1351504801306, }, attemptId: 1, }, id: 2, }, state: C_RUNNING, diagnostics: "", exit_status: -1000, 

I do not see any error messages in the full log (which i posted here: http://pastebin.com/uNhWngrm ), and the job finishes successfully, but nevertheless appears extremely slow to "distcp" a few small files. Something must be wrong but i can't figure out what

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Alexandre Fouche