merlimat opened a new pull request #10292:
URL: https://github.com/apache/pulsar/pull/10292
### Motivation
Fixes #6437
This is a different approach to fix the issue, alternative to #7299.
Instead of automatically acking the marker messages when the consumers are
not connected, we should instead stop taking the snapshot when there's no
traffic. There's no point in continuing storing these snapshots all the time if
there's no traffic.
### Modifications
1. When we detect that there has been no new messages since the last
snapshot was take, skip the new snapshot.
2. When there are no local producers, skip 1 snapshot creation. This is
done in order to create a quiet period and give more time to not have any
remote markers since our last snapshot was created.
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