cardinal_pythonlib.tools.estimate_mysql_memory_usage


Original code copyright (C) 2009-2022 Rudolf Cardinal (rudolf@pobox.com).

This file is part of cardinal_pythonlib.

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.


Script to check the (approximate) memory usage of a running MySQL instance.

cardinal_pythonlib.tools.estimate_mysql_memory_usage.add_blank_row(table: prettytable.prettytable.PrettyTable) → None[source]

Adds a blank row to table.

cardinal_pythonlib.tools.estimate_mysql_memory_usage.add_var_mb(table: prettytable.prettytable.PrettyTable, vardict: Dict[str, str], varname: str) → None[source]

Adds a row to table for varname, in megabytes.

cardinal_pythonlib.tools.estimate_mysql_memory_usage.get_mysql_vars(mysql: str, host: str, port: int, user: str) → Dict[str, str][source]

Asks MySQL for its variables and status.

Parameters:
  • mysqlmysql executable filename
  • host – host name
  • port – TCP/IP port number
  • user – username
Returns:

dictionary of MySQL variables/values

cardinal_pythonlib.tools.estimate_mysql_memory_usage.main()[source]

Command-line processor. See --help for details.

cardinal_pythonlib.tools.estimate_mysql_memory_usage.val_int(val: int) → str[source]

Formats an integer value.

cardinal_pythonlib.tools.estimate_mysql_memory_usage.val_mb(valstr: Union[int, str]) → str[source]

Converts a value in bytes (in string format) to megabytes.