#!/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, wttest from time import sleep from wtdataset import SimpleDataSet # test_inmem02.py # Test in-memory with ignore-cache-size setting. class test_inmem02(wttest.WiredTigerTestCase): uri = 'table:inmem02' conn_config = \ 'cache_size=3MB,file_manager=(close_idle_time=0),in_memory=true' table_config = 'memory_page_max=32k,leaf_page_max=4k' # Add more data than fits into the configured cache and verify it fails. def test_insert_over_allowed(self): # Create a new table that is allowed to exceed the cache size, do this # before filling the cache so that the create succeeds self.session.create( self.uri + '_over', 'key_format=S,value_format=S,ignore_in_memory_cache_size=true') # Populate a table with enough data to fill the cache. msg = '/WT_CACHE_FULL.*/' ds = SimpleDataSet(self, self.uri, 10000000, config=self.table_config) self.assertRaisesHavingMessage(wiredtiger.WiredTigerError, lambda:ds.populate(), msg) # Add some content to the new table cursor = self.session.open_cursor(self.uri + '_over', None) for i in range(1, 1000): cursor[str('%015d' % i)] = str(i) + ': abcdefghijklmnopqrstuvwxyz' cursor.close() if __name__ == '__main__': wttest.run()