We updated docker recently and got really high RAM usage in the integration tests.<p>Atop shows that MySQL eats 20GB for no reason. All mysql server metrics was okey.<p>This problem was really painful to debug, since we thought “how docker can even affect how mysqld use memory, it might be something else”<p>Related:
<a href="https://bugs.mysql.com/bug.php?id=96525" rel="nofollow noreferrer">https://bugs.mysql.com/bug.php?id=96525</a><p><a href="https://github.com/docker-library/mysql/issues/579">https://github.com/docker-library/mysql/issues/579</a><p><a href="https://www.mail-archive.com/ubuntu-bugs@lists.ubuntu.com/msg5630536.html" rel="nofollow noreferrer">https://www.mail-archive.com/ubuntu-bugs@lists.ubuntu.com/ms...</a><p><a href="https://github.com/moby/moby/issues/44547#issuecomment-1334094169">https://github.com/moby/moby/issues/44547#issuecomment-13340...</a>