So far we believe this may be related to lock tree stalls. MariaDB has imported a patch a while ago to address this and we have been reviewing and improving the patch for Percona Server. This work is being tracked here https://jira.percona.com/browse/TDB-3, please login there to Percona JIRA and 'watch' for future updates. Marking it as opinion here as there is no other accurate matching state.
So far we believe this may be related to lock tree stalls. MariaDB has imported a patch a while ago to address this and we have been reviewing and improving the patch for Percona Server. This work is being tracked here https:/ /jira.percona. com/browse/ TDB-3, please login there to Percona JIRA and 'watch' for future updates. Marking it as opinion here as there is no other accurate matching state.