sysctl -w vm.swappiness=1
echo "vm.swappiness = 1" | sudo tee -a /etc/sysctl.conf
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SET FOREIGN_KEY_CHECKS = 0; | |
SET GROUP_CONCAT_MAX_LEN=32768; | |
SET @tables = NULL; | |
SELECT GROUP_CONCAT('`', table_name, '`') INTO @tables | |
FROM information_schema.tables | |
WHERE table_schema = (SELECT DATABASE()); | |
SELECT IFNULL(@tables,'dummy') INTO @tables; | |
SET @tables = CONCAT('DROP TABLE IF EXISTS ', @tables); | |
PREPARE stmt FROM @tables; |