Change Details

MW switch back date: Tue 14th Sept 2021 * Replication eqiad -> codfw is running ** [] s1 ** [] s2 ** [] s3 ** [] s4 ** [] s5 ** [] s6 see T288594#7324150 ** [] s7 ** [] s8 ** [x] x1 ** [x] x2 ** [x] es4 ** [x] es5 ** [] pc1 ** [] pc2 ** [] pc3 [] Check and disable GTID on eqiad masters for the above sections. [] Check that all eqiad slaves have GTID enabled [] Check which notifications are disabled for eqiad hosts [] Check event scheduler is enabled on eqiad hosts [] Check that query killers are installed and enabled on eqiad hosts [] Update section_params in hieradata/common/profile/mariadb.yaml: https://gerrit.wikimedia.org/r/c/operations/puppet/+/719168 * Review DB MW weights ** [x] s1 ** [x] s2 ** [x] s3 ** [x] s4 ** [x] s5 ** [x] s6 ** [x] s7 ** [x] s8 ** [x] x1 ** [x] x2 ** [x] es4 ** [x] es5 ** [x] pc1 ** [x] pc2 ** [x] pc3

MW switch back date: Tue 14th Sept 2021 * Replication eqiad -> codfw is running ** [] s1 ** [] s2 ** [] s3 ** [] s4 ** [] s5 ** [] s6 see T288594#7324150 ** [] s7 ** [] s8 ** [x] x1 ** [x] x2 ** [x] es4 ** [x] es5 ** [] pc1 ** [] pc2 ** [] pc3 [] Check and disable GTID on eqiad masters for the above sections. [] Check that all eqiad slaves have GTID enabled [] Check which notifications are disabled for eqiad hosts [x] Check event scheduler is enabled on eqiad hosts [] Check that query killers are installed and enabled on eqiad hosts [] Update section_params in hieradata/common/profile/mariadb.yaml: https://gerrit.wikimedia.org/r/c/operations/puppet/+/719168 * Review DB MW weights ** [x] s1 ** [x] s2 ** [x] s3 ** [x] s4 ** [x] s5 ** [x] s6 ** [x] s7 ** [x] s8 ** [x] x1 ** [x] x2 ** [x] es4 ** [x] es5 ** [x] pc1 ** [x] pc2 ** [x] pc3

MW switch back date: Tue 14th Sept 2021 * Replication eqiad -> codfw is running ** [] s1 ** [] s2 ** [] s3 ** [] s4 ** [] s5 ** [] s6 see T288594#7324150 ** [] s7 ** [] s8 ** [x] x1 ** [x] x2 ** [x] es4 ** [x] es5 ** [] pc1 ** [] pc2 ** [] pc3 [] Check and disable GTID on eqiad masters for the above sections. [] Check that all eqiad slaves have GTID enabled [] Check which notifications are disabled for eqiad hosts [x] Check event scheduler is enabled on eqiad hosts [] Check that query killers are installed and enabled on eqiad hosts [] Update section_params in hieradata/common/profile/mariadb.yaml: https://gerrit.wikimedia.org/r/c/operations/puppet/+/719168 * Review DB MW weights ** [x] s1 ** [x] s2 ** [x] s3 ** [x] s4 ** [x] s5 ** [x] s6 ** [x] s7 ** [x] s8 ** [x] x1 ** [x] x2 ** [x] es4 ** [x] es5 ** [x] pc1 ** [x] pc2 ** [x] pc3