Merge pull request #2587 from wiredtiger/wt-2457-lsm-exclusive

WT-2457 Wait for LSM work units to drain when getting exclusive access.

1 files changed, 60 insertions, 0 deletions

diff --git a/test/suite/test_lsm03.py b/test/suite/test_lsm03.py
new file mode 100644
index 00000000000..448d864c646
--- /dev/null
+++ b/test/suite/test_lsm03.py
@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+#
+# Public Domain 2014-2016 MongoDB, Inc.
+# Public Domain 2008-2014 WiredTiger, Inc.
+#
+# This is free and unencumbered software released into the public domain.
+#
+# Anyone is free to copy, modify, publish, use, compile, sell, or
+# distribute this software, either in source code form or as a compiled
+# binary, for any purpose, commercial or non-commercial, and by any
+# means.
+#
+# In jurisdictions that recognize copyright laws, the author or authors
+# of this software dedicate any and all copyright interest in the
+# software to the public domain. We make this dedication for the benefit
+# of the public at large and to the detriment of our heirs and
+# successors. We intend this dedication to be an overt act of
+# relinquishment in perpetuity of all present and future rights to this
+# software under copyright law.
+#
+# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+
+import wiredtiger, wtscenario, wttest
+from helper import simple_populate
+
+# test_lsm03.py
+#    Check to make sure that LSM schema operations don't get EBUSY when
+#    there are no user operations active.
+class test_lsm03(wttest.WiredTigerTestCase):
+    name = 'test_lsm03'
+
+    # Use small pages so we generate some internal layout
+    # Setup LSM so multiple chunks are present
+    config = 'key_format=S,allocation_size=512,internal_page_max=512' + \
+             ',leaf_page_max=1k,lsm=(chunk_size=512k,merge_min=10)'
+
+    # Populate an object then drop it.
+    def test_lsm_drop_active(self):
+        uri = 'lsm:' + self.name
+        simple_populate(self, uri, self.config, 10000)
+
+        # Force to disk
+        self.reopen_conn()
+
+        # An open cursors should cause failure.
+        cursor = self.session.open_cursor(uri, None, None)
+        self.assertRaises(wiredtiger.WiredTigerError,
+            lambda: self.session.drop(uri, None))
+        cursor.close()
+
+        # Add enough records that a merge should be running
+        simple_populate(self, uri, self.config, 50000)
+        # The drop should succeed even when LSM work units are active
+        self.session.drop(uri)