[v23.3.x] c/topics_dispatcher: do not guesstimate leader ids #16236
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Updating leadership metadata before the topic is ready to serve traffic is not desired. It prevents waiting for leader to be reported by raft group when it is actually ready. Signed-off-by: Michal Maslanka <michal@redpanda.com> (cherry picked from commit 3e86234)
Signed-off-by: Michal Maslanka <michal@redpanda.com> (cherry picked from commit 8f81843)
Instead of returning `-1` indicating that there is an ongoing leader election we return randomly selected node as a partition leader. This is much less interrupting for the client as it simply forces it to refresh metadata. Some clients do not tolerate `-1` returned from Metadata handler and simply stop working. Signed-off-by: Michal Maslanka <michal@redpanda.com> (cherry picked from commit 86d583b)
Signed-off-by: Michal Maslanka <michal@redpanda.com> (cherry picked from commit 763c0ac)
Signed-off-by: Michal Maslanka <michal@redpanda.com> (cherry picked from commit 5bf2a27)
The metadata dissemination test must account for exponential backoff which may be longer than used 10 seconds timeout. Now as we do not update leaders table after topic create command is applied we need to wait for the request to be delivered to joining node. Signed-off-by: Michal Maslanka <michal@redpanda.com> (cherry picked from commit fea4f6a)
The consumer group recovery test doesn't do any validation if offset listing was successful. Disabling leader balancer will make the test more stable before we introduce validation in recovery tool (now the tool assumes that user is going to review offsets listing). Signed-off-by: Michal Maslanka <michal@redpanda.com> (cherry picked from commit 3b2eac5)
Wait for at least some of the messages to be successfully written to topic before starting consumers to prevent them trying to read empty partition. Signed-off-by: Michal Maslanka <michal@redpanda.com> (cherry picked from commit 6823527)
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Backport of PR #15678
Fixes: #16235,