Michal Kuratczyk

khepri: starting/stopping a node with many queues is very slow

6

Note: this issue is related to an unreleased feature Steps (JSON file available in the [sample-configs repo](https://github.com/rabbitmq/sample-configs/blob/main/queues/50k-classic-queues.json)): ``` bazel run --config=local broker bazel run --config=local rabbitmqctl enable_feature_flag raft_based_metadata_store_phase1 bazel run...

Khepri: high memory usage during import

1

NOTE: this issue is related to an unreleased feature ``` bazel run --config=local broker bazel run --config=local rabbitmqctl enable_feature_flag raft_based_metadata_store_phase1 bazel run --config=local rabbitmqctl import_definitions q1-with-100k-topic-bindings.json ``` Memory usage goes...

khepri: failed migration to Khepri may leave the node in an usuable state

2

Note: this issue is related to an unreleased feature If the Mnesia->Khepri fails for any reason, upon the next startup, the `metadata_store` tries to load the migrated part of the...

Khepri integration: AMQP declaration performance

2

NOTE: this issue is related to an unreleased Khepri integration (branch khepri-queues). NOTE2: This issue has been significantly edited with a simpler test case On my system `perf-test -p -e...

Test case: 1. Create a bunch of users: `for i in `seq 12`; do rabbitmqctl add_user foo$i foo; done` 2. Go to http://localhost:15672/#/users 3. Enter "10" for the number of...

NOTE: this issue is related to an unreleased Khepri integration (branch khepri-queues). With many definitions, the metadata store can use GBs of RAM. All that memory is currently reported under...

NOTE: this issue is related to an unreleased Khepri integration (branch `khepri-queues`). After declaring 1 queue and 1 million topic bindings, vhost crashed and would not recover. Full log attached....

How should Streams handle disk alarms?

1

It's not clear what the Streams should do when a disk alarm is triggered. Current behavior is just like with queues - stop the publishers, and hope for the resources...

[khepri] Importing definitions is slower than simple declaration

2

[khepri] This issue is related to the upcoming integration with Khepri (branch: use-khepri-metadata-store). Importing definitions with Khepri seems slower than with Mnesia, even though simply declaring the objects is just...

[khepri] This issue is related to the upcoming integration with Khepri (branch: `use-khepri-metadata-store`). I'd say that's low priority but if the Khepri leader terminates during definitions import, the import process...