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#!/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.
#
# test_sweep03.py
# Test to confirm if setting close_idle_time to 0 does not sweep old handles
#
import fnmatch, os, shutil, run, time
from suite_subprocess import suite_subprocess
from wiredtiger import stat
from wtscenario import multiply_scenarios, number_scenarios, prune_scenarios
import wttest
class test_sweep03(wttest.WiredTigerTestCase, suite_subprocess):
tablebase = 'test_sweep03'
uri = 'table:' + tablebase
numfiles = 400 # Make this more than the default close_handle_minimum
numkv = 100
conn_config = 'file_manager=(close_handle_minimum=10,' + \
'close_idle_time=0,close_scan_interval=1),' + \
'statistics=(fast),'
types = [
('row', dict(tabletype='row',
create_params = 'key_format=i,value_format=i')),
('var', dict(tabletype='var',
create_params = 'key_format=r,value_format=i')),
('fix', dict(tabletype='fix',
create_params = 'key_format=r,value_format=8t')),
]
scenarios = types
def test_disable_idle_timeout1(self):
#
# Set up numfiles with numkv entries. We just want some data in there
# we don't care what it is.
#
for f in range(self.numfiles):
uri = '%s.%d' % (self.uri, f)
# print "Creating %s with config '%s'" % (uri, self.create_params)
self.session.create(uri, self.create_params)
c = self.session.open_cursor(uri, None)
for k in range(self.numkv):
c[k+1] = 1
c.close()
#
# The idle timeout is disabled - we don't expect the sweep server to
# close any regular handles. Give the sweep server 5x the scan
# interval to close any handles.
#
time.sleep(5)
stat_cursor = self.session.open_cursor('statistics:', None, None)
close1 = stat_cursor[stat.conn.dh_sweep_close][2]
sweep1 = stat_cursor[stat.conn.dh_sweeps][2]
stat_cursor.close()
# The sweep server should have run, or the test isn't working.
self.assertGreater(sweep1, 0)
# We expect nothing to have been closed.
self.assertEqual(close1, 0)
def test_disable_idle_timeout_drop_force(self):
# Create a table to drop. A drop should close its associated handle
drop_uri = '%s.%s' % (self.uri, "force_drop_test")
self.session.create(drop_uri, self.create_params)
c = self.session.open_cursor(drop_uri, None)
for k in range(self.numkv):
c[k+1] = 1
c.close()
# We just filled the table, now check what the stats are
stat_cursor = self.session.open_cursor('statistics:', None, None)
cache1 = stat_cursor[stat.conn.cache_bytes_inuse][2]
sweep1 = stat_cursor[stat.conn.dh_sweeps][2]
stat_cursor.close()
# We force the drop in this case to confirm that the handle is closed
self.session.drop(drop_uri, "force=true")
time.sleep(5)
# Grab the stats post table drop to see things have decremented
stat_cursor = self.session.open_cursor('statistics:', None, None)
cache2 = stat_cursor[stat.conn.cache_bytes_inuse][2]
close2 = stat_cursor[stat.conn.dh_sweep_close][2]
sweep2 = stat_cursor[stat.conn.dh_sweeps][2]
stat_cursor.close()
# Make sure the sweep server is still working.
self.assertGreater(sweep2, sweep1)
# Ensure that the handle has been closed after the drop.
self.assertEqual(close2, 1)
# Ensure that any space was reclaimed from cache.
self.assertLess(cache2, cache1)
def test_disable_idle_timeout_drop(self):
# Create a table to drop. A drop should close its associated handles
drop_uri = '%s.%s' % (self.uri, "drop_test")
self.session.create(drop_uri, self.create_params)
c = self.session.open_cursor(drop_uri, None)
for k in range(self.numkv):
c[k+1] = 1
c.close()
# We just filled the table, now check what the stats are
stat_cursor = self.session.open_cursor('statistics:', None, None)
cache1 = stat_cursor[stat.conn.cache_bytes_inuse][2]
close1 = stat_cursor[stat.conn.dh_sweep_close][2]
sweep1 = stat_cursor[stat.conn.dh_sweeps][2]
stat_cursor.close()
self.session.drop(drop_uri, None)
time.sleep(5)
# Grab the stats post table drop to see things have decremented
stat_cursor = self.session.open_cursor('statistics:', None, None)
cache2 = stat_cursor[stat.conn.cache_bytes_inuse][2]
close2 = stat_cursor[stat.conn.dh_sweep_close][2]
sweep2 = stat_cursor[stat.conn.dh_sweeps][2]
stat_cursor.close()
self.assertGreater(sweep2, sweep1)
# The sweep server should not be involved in regular drop cleanup
self.assertEqual(close2, close1)
# Ensure that any space was reclaimed from cache.
self.assertLess(cache2, cache1)
if __name__ == '__main__':
wttest.run()
|
