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  1. MariaDB Server
  2. MDEV-34910

High Performance in MariaDB 10.6.16, Memory stays at 85%

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Won't Fix
    • 10.6.16
    • N/A
    • Memory management
    • None

    Description

      MariaDB [gscmdb]> select information_schema.system_variables.variable_name,
          -> information_schema.system_variables.default_value,
          -> global_variables.variable_value from
          -> information_schema.system_variables,information_schema.global_variables where
          -> system_variables.variable_name=global_variables.variable_name and
          -> system_variables.default_value <> global_variables.variable_value and
          -> system_variables.default_value <> 0;
      +----------------------------------------------------------+----------------------+----------------+
      | variable_name                                            | default_value        | variable_value |
      +----------------------------------------------------------+----------------------+----------------+
      | PERFORMANCE_SCHEMA_EVENTS_WAITS_HISTORY_SIZE             | -1                   | 10             |
      | PERFORMANCE_SCHEMA_EVENTS_TRANSACTIONS_HISTORY_LONG_SIZE | -1                   | 1000           |
      | PERFORMANCE_SCHEMA_EVENTS_STAGES_HISTORY_SIZE            | -1                   | 10             |
      | BACK_LOG                                                 | 150                  | 70             |
      | PERFORMANCE_SCHEMA_EVENTS_TRANSACTIONS_HISTORY_SIZE      | -1                   | 10             |
      | INNODB_IO_CAPACITY                                       | 200                  | 2000           |
      | HOST_CACHE_SIZE                                          | 128                  | 228            |
      | PERFORMANCE_SCHEMA_DIGESTS_SIZE                          | -1                   | 5000           |
      | MAX_CONNECTIONS                                          | 151                  | 100            |
      | PERFORMANCE_SCHEMA_EVENTS_WAITS_HISTORY_LONG_SIZE        | -1                   | 1000           |
      | WSREP_SLAVE_THREADS                                      | 1                    | 16             |
      | AUTO_INCREMENT_OFFSET                                    | 1                    | 3              |
      | CONNECT_TIMEOUT                                          | 10                   | 1200000        |
      | MAX_BINLOG_SIZE                                          | 1073741824           | 104857600      |
      | INNODB_MAX_UNDO_LOG_SIZE                                 | 10485760             | 41943040       |
      | PERFORMANCE_SCHEMA_SESSION_CONNECT_ATTRS_SIZE            | -1                   | 512            |
      | BULK_INSERT_BUFFER_SIZE                                  | 8388608              | 8589934592     |
      | INNODB_AUTOINC_LOCK_MODE                                 | 1                    | 2              |
      | PERFORMANCE_SCHEMA_EVENTS_STATEMENTS_HISTORY_SIZE        | -1                   | 10             |
      | LONG_QUERY_TIME                                          | 10.000000            | 1.000000       |
      | INNODB_MAX_DIRTY_PAGES_PCT                               | 90.000000            | 99.000000      |
      | NET_WRITE_TIMEOUT                                        | 60                   | 180000         |
      | THREAD_CACHE_SIZE                                        | 256                  | 100            |
      | PERFORMANCE_SCHEMA_EVENTS_STAGES_HISTORY_LONG_SIZE       | -1                   | 1000           |
      | INNODB_LOCK_WAIT_TIMEOUT                                 | 50                   | 600            |
      | THREAD_POOL_SIZE                                         | 8                    | 16             |
      | INNODB_LRU_SCAN_DEPTH                                    | 1536                 | 2000           |
      | WAIT_TIMEOUT                                             | 28800                | 120            |
      | MAX_RELAY_LOG_SIZE                                       | 1073741824           | 104857600      |
      | INNODB_PURGE_THREADS                                     | 4                    | 1              |
      | INNODB_IO_CAPACITY_MAX                                   | 18446744073709551615 | 3000           |
      | NET_READ_TIMEOUT                                         | 30                   | 100000         |
      | INNODB_READ_IO_THREADS                                   | 4                    | 12             |
      | INNODB_WRITE_IO_THREADS                                  | 4                    | 12             |
      | INNODB_ENCRYPTION_ROTATE_KEY_AGE                         | 1                    | 0              |
      | LOG_SLOW_RATE_LIMIT                                      | 1                    | 1000           |
      | INNODB_BUFFER_POOL_SIZE                                  | 134217728            | 51539607552    |
      | INNODB_PAGE_SIZE                                         | 16384                | 65536          |
      | PERFORMANCE_SCHEMA_EVENTS_STATEMENTS_HISTORY_LONG_SIZE   | -1                   | 1000           |
      | INNODB_FLUSH_LOG_AT_TRX_COMMIT                           | 1                    | 0              |
      | AUTO_INCREMENT_INCREMENT                                 | 1                    | 3              |
      | INTERACTIVE_TIMEOUT                                      | 28800                | 8640000        |
      | INNODB_LOG_FILE_SIZE                                     | 100663296            | 5368709120     |
      | MAX_ALLOWED_PACKET                                       | 16777216             | 1073741824     |
      +----------------------------------------------------------+----------------------+----------------+
      44 rows in set, 310 warnings (0.031 sec)
      

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            Unassigned Unassigned
            shwgarg Shweta
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            Dates

              Created:
              Updated:
              Resolved:

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