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[Patrick Crews <796729@xxxxxxxxxxxxxxxxxx>]

Marking this one to 'invalid' after reading Barry's comments.  Makes
sense.

** Changed in: drizzle
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/796729

Title:
  pbms.basic test failing randomly when run in rapid succession

Status in A Lightweight SQL Database for Cloud Infrastructure and Web Applications:
  Invalid

Bug description:
  When you run the pbms.basic test in rapid succession (at least on my Natty laptop), we are seeing random failures - looks like extra (not cleaned up?) rows in the result set
  Found this when attempting to repeat that random engine error failure we are seeing in Jenkins slaves.

  This only occurs when we're using shared mem (linking the test-runner
  workdir to /dev/shm/...).  Running with the --no-shm option is fine.

  To repeat:
  From the drizzle/tests directory:
  ./dbqp --suite=pbms --repeat=20

  When failures occur, the output looks like this:
  20110613-120255  ===============================================================
  20110613-120255  TEST NAME                                  [ RESULT ] TIME (ms)
  20110613-120255  ===============================================================
  20110613-120255  pbms.basic                                 [ pass ]     1088
  20110613-120255  pbms.basic                                 [ pass ]       67
  20110613-120255  pbms.basic                                 [ pass ]       90
  20110613-120255  pbms.basic                                 [ pass ]       86
  20110613-120255  pbms.basic                                 [ pass ]       78
  20110613-120256  pbms.basic                                 [ pass ]      573
  20110613-120256  pbms.basic                                 [ pass ]       69
  20110613-120257  pbms.basic                                 [ fail ]      598
  20110613-120257  --- drizzle/plugin/pbms/tests/r/basic.result	2011-06-10 14:42:15.005786000 -0400
  20110613-120257  +++ drizzle/plugin/pbms/tests/r/basic.reject	2011-06-13 12:02:57.131554245 -0400
  20110613-120257  @@ -31,6 +31,7 @@
  20110613-120257  select a, name, value from pbms_metadata meta, pbms_reference ref, t1 where t1.b = ref.Blob_url and ref.Repository_id = meta.Repository_id and ref.Repo_blob_offset = meta.Repo_blob_offset order by a, name;
  20110613-120257  a	name	value
  20110613-120257  1	Name	Test1
  20110613-120257  +1	Name	Test1
  20110613-120257  2	Name	Test2
  20110613-120257  2	Name2	Test2.2
  20110613-120257  3	Name	Test3
  20110613-120257
  20110613-120257  drizzletest: Result content mismatch
  20110613-120257
  20110613-120257
  20110613-120257 ERROR Failed test.  Use --force to execute beyond the first test failure
  20110613-120257  ===============================================================
  20110613-120257 INFO Test execution complete in 3 seconds
  20110613-120257 INFO Summary report:
  20110613-120257 INFO Executed 8/1 test cases, 800.00 percent
  20110613-120257 INFO STATUS: FAIL, 1/8 test cases, 12.50 percent executed
  20110613-120257 INFO STATUS: PASS, 7/8 test cases, 87.50 percent executed
  20110613-120257 INFO FAIL tests: pbms.basic
  20110613-120257 INFO Spent 0 / 3 seconds on: TEST(s)

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