Robuta

https://jira.mariadb.org/browse/MDEV-21255?attachmentOrder=asc [MDEV-21255] Deadlock of parallel slave and mariabackup (with failed log copy thread) - Jira https://jira.mariadb.org/browse/MDEV-21255?attachmentSortBy=fileName [MDEV-21255] Deadlock of parallel slave and mariabackup (with failed log copy thread) - Jira https://jira.mariadb.org/browse/MDEV-21255?attachmentOrder=desc [MDEV-21255] Deadlock of parallel slave and mariabackup (with failed log copy thread) - Jira