https://www.fromdual.com/tags/metadata-lock/Recent content in Metadata Lock on FromDual GmbHHugoen-GBoli.sennhauser@fromdual.com (Oli Sennhauser)oli.sennhauser@fromdual.com (Oli Sennhauser)© FromDual GmbHFri, 26 Apr 2024 14:13:55 +0000https://www.fromdual.com/blog/dbstat-for-mariadb-after-one-month-of-productive-use/Fri, 26 Apr 2024 14:13:55 +0000oli.sennhauser@fromdual.com (Oli Sennhauser)https://www.fromdual.com/blog/dbstat-for-mariadb-after-one-month-of-productive-use/<h2 id="table-of-contents">Table of contents</h2> <ul> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-after-one-month-of-productive-use/#retrospect">Review</a></li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-after-one-month-of-productive-use/#one-month-later">One month later</a></li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-after-one-month-of-productive-use/#table-size">Size of the tables</a></li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-after-one-month-of-productive-use/#processlist">Process list</a></li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-after-one-month-of-productive-use/#global-variables">Global variables</a></li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-after-one-month-of-productive-use/#locking">Metadata Lock and InnoDB Transaction Lock</a></li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-after-one-month-of-productive-use/#global-status">Global status</a></li> </ul> <h2 id="review">Review</h2> <p>After we introduced <a href="https://www.fromdual.com/dbstat-for-mariadb-and-mysql"><code>dbstat</code> for MariaDB (and MySQL)</a> a good 5 weeks ago, we naturally also rolled it out on our systems to test the behaviour in daily use (<a href="https://en.wikipedia.org/wiki/Eating_your_own_dog_food" target="_blank" title="Eating your own dog food auf Wikipedia">eat your own dog food</a>).</p>https://www.fromdual.com/blog/dbstat-for-mariadb-and-mysql/Thu, 14 Mar 2024 15:36:57 +0000oli.sennhauser@fromdual.com (Oli Sennhauser)https://www.fromdual.com/blog/dbstat-for-mariadb-and-mysql/<h2 id="table-of-contents">Table of contents</h2> <ul> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-and-mysql/#features">Functionality of <code>dbstat</code></a></li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-and-mysql/#how-does-dbstat-work">How does <code>dbstat</code> work</a></li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-and-mysql/#installation">How to install <code>dbstat</code></a></li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-and-mysql/#queries">Query <code>dbstat</code></a> <ul> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-and-mysql/#table_size"><code>table_size</code></a></li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-and-mysql/#processlist"><code>processlist</code></a></li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-and-mysql/#trx_and_lck"><code>trx_and_lck</code></a></li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-and-mysql/#metadata_lock"><code>metadata_lock</code></a></li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-and-mysql/#global_variables"><code>global_variables</code></a></li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-and-mysql/#global_status"><code>global_status</code></a></li> </ul> </li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-and-mysql/#testing">Testing</a></li> <li><a href="https://www.fromdual.com/blog/dbstat-for-mariadb-and-mysql/#sources">Sources</a></li> </ul> <p>An idea that I have been thinking about for a long time and have now, thanks to a customer, finally tackled is <code>dbstat</code> for MariaDB/MySQL. The idea is based on <code>sar/sysstat</code> by Sebastien Godard:</p>