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@sue738(Masaya Suenaga)in株式会社グロービス

[mysql] ダンプ・リストアする時にzcatコマンドを使って容量の圧迫を抑える

Posted at

mysqlのデータをダンプしてリストアしたい時にデータベースの容量が大きいと容量圧迫してしまう。そんなときgzファイルでdumpしたファイルを一度展開するのではなく、zcatコマンドを使って展開しながらリストアすると便利。

dump

mysqldump -u username -ppassword database_name | gzip > dumpfile.sql.gz

restore

zcat dumpfile.sql.gz | mysql -u username -ppassword database_name
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