{"description":"TiDB \u306e DDL \u306e\u6319\u52d5\u3092\u78ba\u8a8d\u3057\u305f\u3002 \u307e\u3068\u3081 tidb_enable_metadata_lock \u304c\u6709\u52b9\u3060\u3068\u3001DDL\u306f\u5148\u884c/\u5f8c\u7d9a\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u5f85\u305f\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308b metadata lock \u5f85\u3061\u304c\u767a\u751f\u3057\u3066\u3044\u3066\u3082\u3001(MySQL \u3068\u9055\u3063\u3066) DML\u306f\u5f71\u97ff\u3092\u53d7\u3051\u306a\u3044 metadata lock \u306e\u72b6\u6cc1\u306f mysql.tidb_mdl_view \u3067\u89b3\u6e2c\u3067\u304d\u308b (MySQL \u3068\u9055\u3063\u3066) SHOW PROCESSLIST \u3067\u306f\u8868\u793a\u3055\u308c\u306a\u3044 \u74b0\u5883 TiDB 8.0.11 / tidb_enable_metadata_lock = ON \u3067\u8a66\u3057\u307e\u3059\u3002tidb_enable_metadata_\u2026","type":"rich","url":"https://mita2db.hateblo.jp/entry/2024/05/01/130411","published":"2024-05-01 13:04:11","author_name":"mita2db","author_url":"https://blog.hatena.ne.jp/mita2db/","version":"1.0","provider_url":"https://hatena.blog","blog_url":"https://mita2db.hateblo.jp/","blog_title":"mita2 database life","provider_name":"Hatena Blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/m/mita2db/20240501/20240501130207.png","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmita2db.hateblo.jp%2Fentry%2F2024%2F05%2F01%2F130411\" title=\"TiDB metadata lock \u6709\u52b9\u306a\u5834\u5408\u306e DDL \u306e\u6319\u52d5 - mita2 database life\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":[],"title":"TiDB metadata lock \u6709\u52b9\u306a\u5834\u5408\u306e DDL \u306e\u6319\u52d5","height":"190","width":"100%"}