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#!/usr/bin/env python
#
# Public Domain 2014-2019 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 itertools, wiredtiger, wttest
from suite_subprocess import suite_subprocess
from wtdataset import SimpleDataSet, SimpleLSMDataSet, ComplexDataSet, \
ComplexLSMDataSet
from wtscenario import make_scenarios
from wiredtiger import stat
# test_stat02.py
# Statistics cursor configurations.
class test_stat_cursor_config(wttest.WiredTigerTestCase):
pfx = 'test_stat_cursor_config'
uri = [
('file', dict(uri='file:' + pfx, dataset=SimpleDataSet)),
('table', dict(uri='table:' + pfx, dataset=SimpleDataSet)),
('table-lsm', dict(uri='table:' + pfx, dataset=SimpleLSMDataSet)),
('complex', dict(uri='table:' + pfx, dataset=ComplexDataSet)),
('complex-lsm', dict(uri='table:' + pfx, dataset=ComplexLSMDataSet))
]
data_config = [
('none', dict(data_config='none', ok=[])),
( 'all', dict(data_config='all', ok=['empty', 'fast', 'all', 'size'])),
('fast', dict(data_config='fast', ok=['empty', 'fast', 'size']))
]
cursor_config = [
('empty', dict(cursor_config='empty')),
( 'all', dict(cursor_config='all')),
('fast', dict(cursor_config='fast')),
('size', dict(cursor_config='size'))
]
scenarios = make_scenarios(uri, data_config, cursor_config)
# Turn on statistics for this test.
def conn_config(self):
return 'statistics=(%s)' % self.data_config
# For each database/cursor configuration, confirm the right combinations
# succeed or fail.
def test_stat_cursor_config(self):
self.dataset(self, self.uri, 100).populate()
config = 'statistics=('
if self.cursor_config != 'empty':
config = config + self.cursor_config
config = config + ')'
if self.ok and self.cursor_config in self.ok:
self.session.open_cursor('statistics:', None, config)
else:
msg = '/database statistics configuration/'
self.assertRaisesWithMessage(wiredtiger.WiredTigerError, lambda:
self.session.open_cursor('statistics:', None, config), msg)
# Test the connection "clear" configuration.
class test_stat_cursor_conn_clear(wttest.WiredTigerTestCase):
pfx = 'test_stat_cursor_conn_clear'
conn_config = 'statistics=(all)'
def test_stat_cursor_conn_clear(self):
uri = 'table:' + self.pfx
ComplexDataSet(self, uri, 100).populate()
# cursor_insert should clear
# cache_bytes_dirty should not clear
cursor = self.session.open_cursor(
'statistics:', None, 'statistics=(all,clear)')
self.assertGreater(cursor[stat.conn.cache_bytes_dirty][2], 0)
self.assertGreater(cursor[stat.conn.cursor_insert][2], 0)
cursor = self.session.open_cursor(
'statistics:', None, 'statistics=(all,clear)')
self.assertGreater(cursor[stat.conn.cache_bytes_dirty][2], 0)
self.assertEqual(cursor[stat.conn.cursor_insert][2], 0)
# Test the data-source "clear" configuration.
class test_stat_cursor_dsrc_clear(wttest.WiredTigerTestCase):
pfx = 'test_stat_cursor_dsrc_clear'
uri = [
('dsrc_clear_1', dict(uri='file:' + pfx, dataset=SimpleDataSet)),
('dsrc_clear_2', dict(uri='table:' + pfx, dataset=SimpleDataSet)),
('dsrc_clear_3', dict(uri='table:' + pfx, dataset=ComplexDataSet)),
('dsrc_clear_4', dict(uri='table:' + pfx, dataset=ComplexLSMDataSet))
]
scenarios = make_scenarios(uri)
conn_config = 'statistics=(all)'
def test_stat_cursor_dsrc_clear(self):
self.dataset(self, self.uri, 100).populate()
# cursor_insert should clear
#
# We can't easily test data-source items that shouldn't clear: as I
# write this, session_cursor_open is the only such item, and it will
# change to account for the statistics cursors we open here.
cursor = self.session.open_cursor(
'statistics:' + self.uri, None, 'statistics=(all,clear)')
self.assertGreater(cursor[stat.dsrc.cursor_insert][2], 0)
cursor = self.session.open_cursor(
'statistics:' + self.uri, None, 'statistics=(all,clear)')
self.assertEqual(cursor[stat.dsrc.cursor_insert][2], 0)
# Test the "fast" configuration.
class test_stat_cursor_fast(wttest.WiredTigerTestCase):
pfx = 'test_stat_cursor_fast'
uri = [
('fast_1', dict(uri='file:' + pfx, dataset=SimpleDataSet)),
('fast_2', dict(uri='table:' + pfx, dataset=SimpleDataSet)),
('fast_3', dict(uri='table:' + pfx, dataset=ComplexDataSet)),
('fast_4', dict(uri='table:' + pfx, dataset=ComplexLSMDataSet))
]
scenarios = make_scenarios(uri)
conn_config = 'statistics=(all)'
def test_stat_cursor_fast(self):
self.dataset(self, self.uri, 100).populate()
# A "fast" cursor shouldn't see the underlying btree statistics.
# Check "fast" first, otherwise we get a copy of the statistics
# we generated in the "all" call, they just aren't updated.
cursor = self.session.open_cursor(
'statistics:' + self.uri, None, 'statistics=(fast)')
self.assertEqual(cursor[stat.dsrc.btree_entries][2], 0)
cursor = self.session.open_cursor(
'statistics:' + self.uri, None, 'statistics=(all)')
self.assertGreater(cursor[stat.dsrc.btree_entries][2], 0)
# Test connection error combinations.
class test_stat_cursor_conn_error(wttest.WiredTigerTestCase):
def setUpConnectionOpen(self, dir):
return None
def setUpSessionOpen(self, conn):
return None
def test_stat_cursor_conn_error(self):
args = ['none', 'all', 'fast']
for i in list(itertools.permutations(args, 2)):
config = 'create,statistics=(' + i[0] + ',' + i[1] + ')'
msg = '/Only one of/'
self.assertRaisesWithMessage(wiredtiger.WiredTigerError,
lambda: self.wiredtiger_open('.', config), msg)
# Test data-source error combinations.
class test_stat_cursor_dsrc_error(wttest.WiredTigerTestCase):
pfx = 'test_stat_cursor_dsrc_error'
uri = [
('dsrc_error_1', dict(uri='file:' + pfx, dataset=SimpleDataSet)),
('dsrc_error_2', dict(uri='table:' + pfx, dataset=SimpleDataSet)),
('dsrc_error_3', dict(uri='table:' + pfx, dataset=ComplexDataSet)),
('dsrc_error_4', dict(uri='table:' + pfx, dataset=ComplexLSMDataSet))
]
scenarios = make_scenarios(uri)
conn_config = 'statistics=(all)'
def test_stat_cursor_dsrc_error(self):
self.dataset(self, self.uri, 100).populate()
args = ['all', 'fast']
for i in list(itertools.permutations(args, 2)):
config = 'statistics=(' + i[0] + ',' + i[1] + ')'
msg = '/Only one of/'
self.assertRaisesWithMessage(wiredtiger.WiredTigerError,
lambda: self.session.open_cursor(
'statistics:' + self.uri, None, config), msg)
# Test data-source cache walk statistics
class test_stat_cursor_dsrc_cache_walk(wttest.WiredTigerTestCase):
uri = 'file:test_stat_cursor_dsrc_cache_walk'
conn_config = 'statistics=(none)'
def test_stat_cursor_dsrc_cache_walk(self):
SimpleDataSet(self, self.uri, 100).populate()
# Ensure that it's an error to get cache_walk stats if none is set
msg = '/doesn\'t match the database statistics/'
self.assertRaisesWithMessage(wiredtiger.WiredTigerError,
lambda: self.session.open_cursor(
'statistics:' + self.uri, None, None), msg)
# Test configurations that are valid but should not collect
# cache walk information. Do these first since the cache walk
# statistics are mostly marked as not cleared - so once they are
# populated the values will always be returned
self.conn.reconfigure('statistics=(cache_walk,fast,clear)')
c = self.session.open_cursor(
'statistics:' + self.uri, None, 'statistics=(fast)')
self.assertEqual(c[stat.dsrc.cache_state_root_size][2], 0)
c.close()
self.conn.reconfigure('statistics=(all,clear)')
c = self.session.open_cursor(
'statistics:' + self.uri, None, 'statistics=(fast)')
self.assertEqual(c[stat.dsrc.cache_state_root_size][2], 0)
c.close()
self.conn.reconfigure('statistics=(cache_walk,fast,clear)')
c = self.session.open_cursor('statistics:' + self.uri, None, None)
self.assertGreater(c[stat.dsrc.cache_state_root_size][2], 0)
# Verify that cache_walk didn't imply tree_walk
self.assertEqual(c[stat.dsrc.btree_entries][2], 0)
c.close()
self.conn.reconfigure('statistics=(cache_walk,tree_walk,fast,clear)')
c = self.session.open_cursor('statistics:' + self.uri, None, None)
self.assertGreater(c[stat.dsrc.cache_state_root_size][2], 0)
# Verify that cache_walk didn't exclude tree_walk
self.assertGreater(c[stat.dsrc.btree_entries][2], 0)
c.close()
self.conn.reconfigure('statistics=(all,clear)')
c = self.session.open_cursor(
'statistics:' + self.uri, None, 'statistics=(all)')
self.assertGreater(c[stat.dsrc.cache_state_root_size][2], 0)
self.assertGreater(c[stat.dsrc.btree_entries][2], 0)
c.close()
# Verify that cache and tree walk can operate independently
self.conn.reconfigure('statistics=(all,clear)')
c = self.session.open_cursor(
'statistics:' + self.uri, None, 'statistics=(cache_walk,fast)')
self.assertGreater(c[stat.dsrc.cache_state_root_size][2], 0)
self.assertEqual(c[stat.dsrc.btree_entries][2], 0)
c.close()
self.conn.reconfigure('statistics=(all,clear)')
c = self.session.open_cursor(
'statistics:' + self.uri, None, 'statistics=(tree_walk,fast)')
# Don't check the cache walk stats for empty - they won't be cleared
self.assertGreater(c[stat.dsrc.btree_entries][2], 0)
c.close()
if __name__ == '__main__':
wttest.run()
|
