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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
import os, shutil
from wtbackup import backup_base
from wtdataset import simple_key
from wtscenario import make_scenarios
import glob
# test_backup19.py
# Test cursor backup with a block-based incremental cursor source id only.
class test_backup19(backup_base):
bkp_home = "WT_BLOCK"
bkup_id=0
conn_config='cache_size=1G,log=(enabled,file_max=100K)'
logmax="100K"
mult=0
nops=10000
savefirst=0
savekey='NOTSET'
uri="table:main"
max_iteration=2
dir='backup.dir' # Backup directory name
home_full = "WT_BLOCK_LOG_FULL"
home_incr = "WT_BLOCK_LOG_INCR"
logpath = "logpath"
new_table=False
pfx = 'test_backup'
# Set the key and value big enough that we modify a few blocks.
bigkey = 'Key' * 100
bigval = 'Value' * 100
#
# Add data to the given uri.
#
def add_complex_data(self, uri):
c = self.session.open_cursor(uri, None, None)
# The first time we want to add in a lot of data. Then after that we want to
# rapidly change a single key to create a hotspot in one block.
if self.savefirst < 2:
nops = self.nops
else:
nops = self.nops // 10
for i in range(0, nops):
num = i + (self.mult * nops)
if self.savefirst >= 2:
key = self.savekey
else:
key = str(num) + self.bigkey + str(num)
val = str(num) + self.bigval + str(num)
c[key] = val
if self.savefirst == 0:
self.savekey = key
self.savefirst += 1
c.close()
# Increase the multiplier so that later calls insert unique items.
self.mult += 1
# Increase the counter so that later backups have unique ids.
if self.initial_backup == False:
self.bkup_id += 1
def test_backup19(self):
os.mkdir(self.bkp_home)
self.home = self.bkp_home
self.session.create(self.uri, "key_format=S,value_format=S")
self.setup_directories(self.home_incr, self.home_full)
self.pr('*** Add data, checkpoint, take backups and validate ***')
self.pr('Adding initial data')
self.initial_backup = True
self.add_complex_data(self.uri)
self.take_full_backup(self.home_incr)
self.initial_backup = False
self.session.checkpoint()
self.add_complex_data(self.uri)
self.session.checkpoint()
self.take_full_backup(self.home_full)
self.take_incr_backup(self.home_incr)
self.compare_backups(self.uri, self.home_full, self.home_incr, str(self.bkup_id))
if __name__ == '__main__':
wttest.run()
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