{
  "data": [
    {
      "cli": "--aria-block-size=#",
      "default": "8192",
      "dynamic": false,
      "id": "aria_block_size",
      "name": "aria_block_size",
      "scope": [
        "global"
      ],
      "type": "integer"
    },
    {
      "cli": "--aria-checkpoint-interval=#",
      "default": "30",
      "dynamic": true,
      "id": "aria_checkpoint_interval",
      "name": "aria_checkpoint_interval",
      "range": {
        "from": 0,
        "to": 4294967295
      },
      "scope": [
        "global"
      ],
      "type": "integer"
    },
    {
      "cli": "aria-checkpoint-log-activity=#",
      "default": "1048576",
      "dynamic": true,
      "id": "aria_checkpoint_log_activity",
      "name": "aria_checkpoint_log_activity",
      "scope": [
        "global"
      ],
      "type": "integer"
    },
    {
      "cli": "aria-encrypt-tables={0|1}",
      "default": "OFF",
      "dynamic": true,
      "id": "aria_encrypt_tables",
      "name": "aria_encrypt_tables",
      "scope": [
        "global"
      ],
      "type": "boolean"
    },
    {
      "cli": "--aria-force-start-after-recovery-failures=#",
      "default": "0",
      "dynamic": false,
      "id": "aria_force_start_after_recovery_failures",
      "name": "aria_force_start_after_recovery_failures",
      "scope": [
        "global"
      ],
      "type": "integer"
    },
    {
      "cli": "--aria_group_commit=\"value\"",
      "default": "none",
      "dynamic": false,
      "id": "aria_group_commit",
      "name": "aria_group_commit",
      "scope": [
        "global"
      ],
      "type": "string",
      "validValues": [
        "none",
        "hard",
        "soft"
      ]
    },
    {
      "cli": "--aria_group_commit_interval=#",
      "default": "0 (no waiting)",
      "dynamic": false,
      "id": "aria_group_commit_interval",
      "name": "aria_group_commit_interval",
      "range": {
        "from": 0,
        "to": 4294967295
      },
      "scope": [
        "global"
      ],
      "type": "integer"
    },
    {
      "cli": "--aria-log-file-size=#",
      "default": "1073741824",
      "dynamic": true,
      "id": "aria_log_file_size",
      "name": "aria_log_file_size",
      "scope": [
        "global"
      ],
      "type": "integer"
    },
    {
      "cli": "--aria-log-purge-type=name",
      "default": "immediate",
      "dynamic": true,
      "id": "aria_log_purge_type",
      "name": "aria_log_purge_type",
      "scope": [
        "global"
      ],
      "type": "enumeration",
      "validValues": [
        "immediate",
        "external",
        "at_flush"
      ]
    },
    {
      "cli": "--aria-max-sort-file-size=#",
      "default": "9223372036853727232",
      "dynamic": true,
      "id": "aria_max_sort_file_size",
      "name": "aria_max_sort_file_size",
      "range": {
        "from": 0,
        "to": 9223372036854776000
      },
      "scope": [
        "global"
      ],
      "type": "integer"
    },
    {
      "cli": "--aria-page-checksum=#",
      "default": "ON",
      "dynamic": true,
      "id": "aria_page_checksum",
      "name": "aria_page_checksum",
      "scope": [
        "global"
      ],
      "type": "boolean"
    },
    {
      "cli": "--aria-pagecache-age-threshold=#",
      "default": "300",
      "dynamic": true,
      "id": "aria_pagecache_age_threshold",
      "name": "aria_pagecache_age_threshold",
      "range": {
        "from": 100,
        "to": 9999900
      },
      "scope": [
        "global"
      ],
      "type": "integer"
    },
    {
      "cli": "--aria-pagecache-buffer-size=#",
      "default": "134217720 (128MB)",
      "dynamic": false,
      "id": "aria_pagecache_buffer_size",
      "name": "aria_pagecache_buffer_size",
      "range": {
        "from": 131072,
        "to": "upwards"
      },
      "scope": [
        "global"
      ],
      "type": "integer"
    },
    {
      "cli": "--aria-pagecache-division-limit=#",
      "default": "100",
      "dynamic": true,
      "id": "aria_pagecache_division_limit",
      "name": "aria_pagecache_division_limit",
      "range": {
        "from": 1,
        "to": 100
      },
      "scope": [
        "global"
      ],
      "type": "integer"
    },
    {
      "cli": "--aria-pagecache-file-hash-size=#",
      "default": "512",
      "dynamic": false,
      "id": "aria_pagecache_file_hash_size",
      "name": "aria_pagecache_file_hash_size",
      "range": {
        "from": 128,
        "to": 16384
      },
      "scope": [
        "global"
      ],
      "type": "integer"
    },
    {
      "id": "aria_recover",
      "name": "aria_recover"
    },
    {
      "cli": "--aria-recover-options[=#]",
      "default": "BACKUP,QUICK (>= MariaDB 10.2.4), NORMAL (<= MariaDB 10.2.3)",
      "dynamic": true,
      "id": "aria_recover_options",
      "name": "aria_recover_options",
      "scope": [
        "global"
      ],
      "type": "enumeration",
      "validValues": [
        "NORMAL",
        "BACKUP",
        "FORCE",
        "QUICK",
        "OFF"
      ]
    },
    {
      "cli": "--aria-repair-threads=#",
      "default": "1",
      "dynamic": true,
      "id": "aria_repair_threads",
      "name": "aria_repair_threads",
      "scope": [
        "global",
        "session"
      ],
      "type": "integer"
    },
    {
      "cli": "--aria-sort-buffer-size=#",
      "default": "268434432 (from MariaDB 10.0.3), 134217728 (before MariaDB 10.0.3)",
      "dynamic": true,
      "id": "aria_sort_buffer_size",
      "name": "aria_sort_buffer_size",
      "scope": [
        "global",
        "session"
      ],
      "type": "integer"
    },
    {
      "cli": "--aria-stats-method=#",
      "default": "nulls_unequal",
      "dynamic": true,
      "id": "aria_stats_method",
      "name": "aria_stats_method",
      "scope": [
        "global",
        "session"
      ],
      "type": "integer",
      "validValues": [
        "nulls_equal",
        "nulls_unequal",
        "nulls_ignored"
      ]
    },
    {
      "cli": "--aria-sync-log-dir=#",
      "default": "NEWFILE",
      "dynamic": true,
      "id": "aria_sync_log_dir",
      "name": "aria_sync_log_dir",
      "scope": [
        "global"
      ],
      "type": "enumeration",
      "validValues": [
        "NEWFILE",
        "NEVER",
        "ALWAYS"
      ]
    },
    {
      "default": "ON",
      "dynamic": false,
      "id": "aria_used_for_temp_tables",
      "name": "aria_used_for_temp_tables",
      "scope": [
        "global"
      ],
      "type": "boolean"
    },
    {
      "cli": "--deadlock-search-depth-long=#",
      "default": "15",
      "dynamic": true,
      "id": "deadlock_search_depth_long",
      "name": "deadlock_search_depth_long",
      "range": {
        "from": 0,
        "to": 33
      },
      "scope": [
        "global",
        "session"
      ],
      "type": "integer"
    },
    {
      "cli": "--deadlock-search-depth-short=#",
      "default": "4",
      "dynamic": true,
      "id": "deadlock_search_depth_short",
      "name": "deadlock_search_depth_short",
      "range": {
        "from": 0,
        "to": 32
      },
      "scope": [
        "global",
        "session"
      ],
      "type": "integer"
    },
    {
      "cli": "--deadlock-timeout-long=#",
      "default": "50000000",
      "dynamic": true,
      "id": "deadlock_timeout_long",
      "name": "deadlock_timeout_long",
      "range": {
        "from": 0,
        "to": 4294967295
      },
      "scope": [
        "global",
        "session"
      ],
      "type": "integer"
    },
    {
      "cli": "--deadlock-timeout-short=#",
      "default": "10000",
      "dynamic": true,
      "id": "deadlock_timeout_short",
      "name": "deadlock_timeout_short",
      "range": {
        "from": 0,
        "to": 4294967295
      },
      "scope": [
        "global",
        "session"
      ],
      "type": "integer"
    }
  ],
  "name": "aria-system-variables",
  "url": "https://mariadb.com/kb/en/library/documentation/columns-storage-engines-and-plugins/storage-engines/aria/aria-system-variables/"
}
