Denis Rystsov

UpgradeBackToBackTest.test_upgrade_with_all_workloads https://github.com/redpanda-data/redpanda/issues/6399 (new issue, isn't related to the change)

investigating the issue [there](https://github.com/redpanda-data/redpanda/pull/6542)

TxFeatureFlagTest.test_disabling_transactions_after_they_being_used https://github.com/redpanda-data/redpanda/issues/6329 (already known)

> but it's not clear why "Reduce duration of partition_movement_test from 25min to 8min" this is true. Is there some insight into the time savings? it was true back in...

last occurrence on dev was on 2023-07-04

haven't it was solved by migrating (alternative approach) instead of changing all consumer groups related APIs to create a shim layer (described approach)?

https://buildkite.com/redpanda/vtools/builds/6874#01871a62-cf38-4df6-93cd-a31411c0fa62 ``` Module: rptest.scale_tests.partition_balancer_scale_test Class: PartitionBalancerScaleTest Method: test_node_operations_at_scale Arguments: { "type": "big_partitions" } ``` ``` test_id: rptest.scale_tests.partition_balancer_scale_test.PartitionBalancerScaleTest.test_node_operations_at_scale.type=big_partitions status: FAIL run time: 12 minutes 10.008 seconds TimeoutError('') Traceback (most recent call...

this issue depends on https://github.com/redpanda-data/redpanda/issues/6978

We may make a operation idempotent and retry it until it passes or until it times out (see `begin_tx`, `commit_tx`). For tx coordinator fails it may start looking for a...

Good news, I added chaos tests (so far in a private branch - https://github.com/rystsov/chaos/tree/unknown_server_error) to fail on transient unknown server errors so we have a easy way to reproduce the...