AmatyaAvadhanula opened a new pull request, #15684:
URL: https://github.com/apache/druid/pull/15684
This PR introduces a new task context flag `useConcurrentLocks`.
This can be set for an individual task or at a cluster level using
`druid.indexer.task.default.context`.
When set to true any appending task would use an APPEND lock and any other
ingestion task would use a REPLACE lock when using time chunk locking.
If not, we fall back on the context flag `taskLockType` and then
`useSharedLock`.
This PR has:
- [x] been self-reviewed.
- [ ] using the [concurrency
checklist](https://github.com/apache/druid/blob/master/dev/code-review/concurrency.md)
(Remove this item if the PR doesn't have any relation to concurrency.)
- [ ] added documentation for new or modified features or behaviors.
- [ ] a release note entry in the PR description.
- [ ] added Javadocs for most classes and all non-trivial methods. Linked
related entities via Javadoc links.
- [ ] added or updated version, license, or notice information in
[licenses.yaml](https://github.com/apache/druid/blob/master/dev/license.md)
- [ ] added comments explaining the "why" and the intent of the code
wherever would not be obvious for an unfamiliar reader.
- [ ] added unit tests or modified existing tests to cover new code paths,
ensuring the threshold for [code
coverage](https://github.com/apache/druid/blob/master/dev/code-review/code-coverage.md)
is met.
- [ ] added integration tests.
- [ ] been tested in a test Druid cluster.
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