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Resuming a watch on the latest revision that may be older than requested by the caller
See original GitHub issueWatcherImpl sets the internal revision to WatchOption#getRevision() during instantiation but WatcherImpl overwrites the field on stream creation here with the latest existing revision.
If the latest existing revision is older than the provided by the caller via WatchOption, a resume fetches the latest existing revision.
Here’s an example.
- a watcher is created with requested revision 100, etcd server knows about revision 40
- the internal
revisionfield of the watcher is overwritten with revision 40 - the watcher is resumed due to a network failure with revision 40
- revision 40 is propagated to the caller despite the fact that the caller explicitly asked for revision 100 and newer
- new incoming revisions (41, …) will be passed to the caller as well
Issue Analytics
- State:
- Created 2 years ago
- Comments:6 (3 by maintainers)
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Yeah, I’ll create a PR.
The PR is ready.