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#!/usr/bin/env python
#
# Public Domain 2014-present 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 wttest
from helper_tiered import TieredConfigMixin, gen_tiered_storage_sources
from wtscenario import make_scenarios
# test_alter04.py
# Smoke-test the session alter operations.
# This test confirms os_cache_dirty_max and os_cache_max.
class test_alter04(TieredConfigMixin, wttest.WiredTigerTestCase):
name = "alter04"
entries = 100
cache_alter=('1M', '100K')
# Settings for os_cache[_dirty]_max.
types = [
('file', dict(uri='file:', use_cg=False, use_index=False)),
('lsm', dict(uri='lsm:', use_cg=False, use_index=False)),
('table-cg', dict(uri='table:', use_cg=True, use_index=False)),
('table-index', dict(uri='table:', use_cg=False, use_index=True)),
('table-simple', dict(uri='table:', use_cg=False, use_index=False)),
]
sizes = [
('default', dict(ocreate='')),
('1M', dict(ocreate='1M')),
('200K', dict(ocreate='200K')),
]
reopen = [
('no-reopen', dict(reopen=False)),
('reopen', dict(reopen=True)),
]
settings = [
('cache', dict(setting='os_cache_max')),
('cache_dirty', dict(setting='os_cache_dirty_max')),
]
tiered_storage_sources = gen_tiered_storage_sources()
scenarios = make_scenarios(tiered_storage_sources, types, sizes, reopen, settings)
def verify_metadata(self, metastr):
if metastr == '':
return
cursor = self.session.open_cursor('metadata:', None, None)
#
# Walk through all the metadata looking for the entries that are
# the file URIs for components of the table.
#
found = False
while True:
ret = cursor.next()
if ret != 0:
break
key = cursor.get_key()
check_meta = ((key.find("lsm:") != -1 or key.find("file:") != -1) \
and key.find(self.name) != -1)
if check_meta:
value = cursor[key]
found = True
self.assertTrue(value.find(metastr) != -1)
cursor.close()
self.assertTrue(found == True)
# Alter: Change the setting after creation
def test_alter04_cache(self):
if self.is_tiered_scenario() and (self.uri == 'lsm:' or self.uri == 'file:'):
self.skipTest('Tiered storage does not support LSM or file URIs.')
uri = self.uri + self.name
create_params = 'key_format=i,value_format=i,'
complex_params = ''
#
# If we're not explicitly setting the parameter, then don't
# modify create_params to test using the default.
#
if self.ocreate != '':
new_param = '%s=%s' % (self.setting, self.ocreate)
create_params += '%s,' % new_param
complex_params += '%s,' % new_param
else:
# NOTE: This is hard-coding the default value. If the default
# changes then this will fail and need to be fixed.
new_param = '%s=0' % self.setting
cgparam = ''
if self.use_cg or self.use_index:
cgparam = 'columns=(k,v),'
if self.use_cg:
cgparam += 'colgroups=(g0),'
self.session.create(uri, create_params + cgparam)
# Add in column group or index settings.
if self.use_cg:
cgparam = 'columns=(v),'
suburi = 'colgroup:' + self.name + ':g0'
self.session.create(suburi, complex_params + cgparam)
if self.use_index:
suburi = 'index:' + self.name + ':i0'
self.session.create(suburi, complex_params + cgparam)
# Put some data in table.
c = self.session.open_cursor(uri, None)
for k in range(self.entries):
c[k+1] = 1
c.close()
# Verify the string in the metadata
self.verify_metadata(new_param)
# Run through all combinations of the alter commands
# for all allowed settings.
for a in self.cache_alter:
alter_param = '%s=%s' % (self.setting, a)
self.session.alter(uri, alter_param)
if self.reopen:
self.reopen_conn()
special = self.use_cg or self.use_index
if not special:
self.verify_metadata(alter_param)
else:
self.session.alter(suburi, alter_param)
self.verify_metadata(alter_param)
if __name__ == '__main__':
wttest.run()
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