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+#!/usr/bin/env python
+#
+# Public Domain 2014-2015 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_lsm01.py
+# Test LSM tree configuration options.
+class test_lsm01(wttest.WiredTigerTestCase):
+ K = 1024
+ M = 1024 * K
+ G = 1024 * M
+ uri = "lsm:test_lsm01"
+
+ chunk_size_scenarios = wtscenario.quick_scenarios('s_chunk_size',
+ [1*M,20*M,None], [0.6,0.6,0.6])
+ merge_max_scenarios = wtscenario.quick_scenarios('s_merge_max',
+ [2,10,20,None], None)
+ bloom_scenarios = wtscenario.quick_scenarios('s_bloom',
+ [True,False,None], None)
+ bloom_bit_scenarios = wtscenario.quick_scenarios('s_bloom_bit_count',
+ [2,8,20,None], None)
+ bloom_hash_scenarios = wtscenario.quick_scenarios('s_bloom_hash_count',
+ [2,10,20,None], None)
+ # Occasionally add a lot of records, so that merges (and bloom) happen.
+ record_count_scenarios = wtscenario.quick_scenarios(
+ 'nrecs', [10, 10000], [0.9, 0.1])
+
+ config_vars = [ 'chunk_size', 'merge_max', 'bloom',
+ 'bloom_bit_count', 'bloom_hash_count' ]
+
+ all_scenarios = wtscenario.multiply_scenarios('_',
+ chunk_size_scenarios, merge_max_scenarios, bloom_scenarios,
+ bloom_bit_scenarios, bloom_hash_scenarios, record_count_scenarios)
+
+ scenarios = wtscenario.prune_scenarios(all_scenarios, 500)
+ scenarios = wtscenario.number_scenarios(scenarios)
+
+ # Test drop of an object.
+ def test_lsm(self):
+ args = 'key_format=S'
+ args += ',lsm=(' # Start the LSM configuration options.
+ # add names to args, e.g. args += ',session_max=30'
+ for var in self.config_vars:
+ value = getattr(self, 's_' + var)
+ if value != None:
+ if var == 'verbose':
+ value = '[' + str(value) + ']'
+ if value == True:
+ value = 'true'
+ if value == False:
+ value = 'false'
+ args += ',' + var + '=' + str(value)
+ args += ')' # Close the LSM configuration option group
+ self.verbose(3,
+ 'Test LSM with config: ' + args + ' count: ' + str(self.nrecs))
+ simple_populate(self, self.uri, args, self.nrecs)
+
+ # TODO: Adding an explicit drop here can cause deadlocks, if a merge
+ # is still happening. See issue #349.
+ # self.session.drop(self.uri)
+
+if __name__ == '__main__':
+ wttest.run()