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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-3160) ExamplesIT usage of MAC is sub-par
Date Mon, 22 Sep 2014 22:06:35 GMT
Josh Elser created ACCUMULO-3160:
------------------------------------

             Summary: ExamplesIT usage of MAC is sub-par
                 Key: ACCUMULO-3160
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3160
             Project: Accumulo
          Issue Type: Improvement
          Components: test
    Affects Versions: 1.6.0
            Reporter: Josh Elser
            Assignee: Josh Elser
            Priority: Minor
             Fix For: 1.6.2


ExamplesIT does a couple of screwy things. It tries to share a single MAC instance, assuming,
to make the test go faster. This has the downside of any test case that causes the MAC to
get into a bad state to hose all of the other tests.

For example, on my personal jenkins instance, the tserver ran out of heap, and it hung all
of the other tests. 

There's also some larger issue happening where the test cases aren't actually exiting the
process for each test which result in a bunch of the Ingest/Query processes that get started
for the test to never get cleaned up

{noformat}
# jps -m 
3460 Main org.apache.accumulo.examples.simple.dirlist.Ingest -i miniInstance -z localhost:21593
-u root -p testRootPassword1 --dirTable dirTable --indexTable indexTable --dataTable dataTable
--vis A|B --chunkSize 10000 ....
3258 Main org.apache.accumulo.examples.simple.client.RowOperations -i miniInstance -z localhost:21593
-u root -p testRootPassword1
2413 Main org.apache.accumulo.master.Master
3496 Main org.apache.accumulo.examples.simple.mapreduce.TeraSortIngest --count 1000000 -nk
10 -xk 10 -nv 10 -xv 10 -t sorted -i miniInstance -z localhost:21593 -u root -p testRootPassword1
--splits 4
3397 Main org.apache.accumulo.examples.simple.isolation.InterferenceTest -i miniInstance -z
localhost:21593 -u root -p testRootPassword1 -t itest2 --iterations 100000
2894 Main org.apache.accumulo.examples.simple.isolation.InterferenceTest -i miniInstance -z
localhost:21593 -u root -p testRootPassword1 -t itest1 --iterations 100000 --isolated
2319 Main org.apache.accumulo.tserver.TabletServer
3291 Main org.apache.accumulo.tracer.TraceServer
2322 Main org.apache.accumulo.tserver.TabletServer
3598 Main org.apache.accumulo.server.util.Admin stopAll
3353 Main org.apache.accumulo.examples.simple.client.ReadWriteExample -i miniInstance -z localhost:21593
-u root -p testRootPassword1 --auths A,B --table test2 --createtable -c --debug
2416 Main org.apache.accumulo.gc.SimpleGarbageCollector
3571 Main org.apache.accumulo.examples.simple.helloworld.InsertWithBatchWriter -i miniInstance
-z localhost:21593 -u root -p testRootPassword1 -t helloBatch
{noformat}

I'm not sure why the processes aren't getting cleaned up (no destroy in a finally when the
test times out?), nor 100% sure why the stopAll appears to hang everything (timeouts not applied
to After annotations?).



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