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#!/usr/bin/env python
#
# Public Domain 2014-2020 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 wtdataset import SimpleDataSet
# test_tiered01.py
# Basic tiered tree test
class test_tiered01(wttest.WiredTigerTestCase):
K = 1024
M = 1024 * K
G = 1024 * M
uri = "table:test_tiered01"
chunk_size_scenarios = wtscenario.quick_scenarios('s_chunk_size',
[1*M,20*M,None], [0.6,0.6,0.6])
# 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', ]
scenarios = wtscenario.make_scenarios(
chunk_size_scenarios, record_count_scenarios,
prune=100, prunelong=500)
# Test create of an object.
def test_tiered(self):
self.session.create('file:first.wt', 'key_format=S')
self.session.create('file:second.wt', 'key_format=S')
args = 'type=tiered,key_format=S'
args += ',tiered=(' # Start the tiered configuration options.
args += 'tiers=("file:first.wt", "file:second.wt"),'
# 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) + ']'
value = {True : 'true', False : 'false'}.get(value, value)
args += ',' + var + '=' + str(value)
args += ')' # Close the tiered configuration option group
self.verbose(3,
'Test tiered with config: ' + args + ' count: ' + str(self.nrecs))
SimpleDataSet(self, self.uri, self.nrecs, config=args).populate()
# self.session.drop(self.uri)
# It is an error to configure a tiered table with no tiers
def test_no_tiers(self):
msg = '/tiered table must specify at least one tier/'
self.assertRaisesWithMessage(wiredtiger.WiredTigerError,
lambda: self.session.create(self.uri, 'type=tiered,key_format=S,tiered=(tiers=())'),
msg)
if __name__ == '__main__':
wttest.run()
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