Here is the JIRA ticket: https://issues.apache.org/jira/projects/JAMES/issues/JAMES-3601
Cheers, Benoit On 14/06/2021 10:57, btell...@apache.org wrote: > Hello server devs, > > While auditing a slow Cassandra on a performance test environment, I > noticed ~25% of the data to be garbage of the Cassandra projection for > the RabbitMQ mailqueue, as the following tables stats demonstrates: > > Table: enqueuedmailsv3 > SSTable count: 327 > Space used (live): 4962189078 > Space used (total): 4962189078 > Space used by snapshots (total): 0 > Off heap memory used (total): 4716757 > SSTable Compression Ratio: 0.33271449206498704 > Number of partitions (estimate): 6246 > > Table: deletedmailsv2 > SSTable count: 69 > Space used (live): 1132247647 > Space used (total): 1132247647 > Space used by snapshots (total): 0 > Off heap memory used (total): 28743224 > SSTable Compression Ratio: 0.5380381348994696 > Number of partitions (estimate): 17669157 > > We take up to 6 GB for an empty mail queue. A bit of cleanup would be > welcome. > > The following document presents the design of the RabbitMQ mailqueue: > https://github.com/apache/james-project/blob/master/src/adr/0031-distributed-mail-queue.md > > The following document presents the design that solves that the > aforementioned issue but was sadly never implemented... > https://github.com/apache/james-project/blob/master/src/adr/0032-distributed-mail-queue-cleanup.md > > This also means people having dedplication turned off never deletes > associated blobs. > > I will fire a PR updating the status of this ADR. This ADR will end up > on Linagora's short-middle term TODO list. > > Cheers, > > Benoit > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: server-dev-unsubscr...@james.apache.org > For additional commands, e-mail: server-dev-h...@james.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: server-dev-unsubscr...@james.apache.org For additional commands, e-mail: server-dev-h...@james.apache.org
