codope opened a new pull request #3875:
URL: https://github.com/apache/hudi/pull/3875
## What is the purpose of the pull request
In order to support better out-of-box clustering configs, we need to have
better default values for those configs. Most of them already have a good
default value, this PR changes defaut for two configs:
- Clustering plan strategy class: The previously set default value made
certain assumptions on the partition path like it should be day-based
partition. The new default is purely file size based.
- Enable commit metadata preservation: Previously, it was disabled by
default. Enanling it by default will be useful for incremental query support
with replace commits in the timeline.
On ease of use:
Now user only need to enable clustering. That's it! Though it is advisable
to set sort columns to cluster by to make use of the default clustering
execution strategy.
## Committer checklist
- [ ] Has a corresponding JIRA in PR title & commit
- [ ] Commit message is descriptive of the change
- [ ] CI is green
- [ ] Necessary doc changes done or have another open PR
- [ ] For large changes, please consider breaking it into sub-tasks under
an umbrella JIRA.
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