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From "John Vines (JIRA)" <>
Subject [jira] [Created] (ACCUMULO-1374) Sudden Death of master, gc, and tservers
Date Thu, 02 May 2013 19:56:15 GMT
John Vines created ACCUMULO-1374:

             Summary: Sudden Death of master, gc, and tservers
                 Key: ACCUMULO-1374
             Project: Accumulo
          Issue Type: Bug
          Components: gc, master, tserver
         Environment: 1.5, svn#1470047 & 1477382 - both in standalone instance on ec2
on ubuntu and small cluster on bare metal CentOs
            Reporter: John Vines
            Assignee: Eric Newton
            Priority: Blocker
             Fix For: 1.5.0

I wish I could provide more information. This has happened once on a bare metal centos cluster
while running vanilla continuous ingest of svn#1470047. There was nothing reported in the
logs when one of the tservers just died after the system had been up for ~1 day. The out and
err files were sparse, and the master only reported that it had lost connection with the tserver
at the point when the tserver just stopped logging (it was overnight, so this was not witnessed
until morning).

It recently happened again on a standalone instance on ec2 running ubuntu and svn#1477382.
The instance had been running for ~7 hours. This time the gc, master, and tserver died. The
gc died first, and then 2m:48s later the master died. 200ms later the tserver died. Again,
there was no output in any of the out or err files for the processes. The logs also have no
errors or warnings in them, just abrupt stops. The processes came up fine once restarted.

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