the-other-tim-brown opened a new pull request, #9367:
URL: https://github.com/apache/hudi/pull/9367
### Change Logs
This change allows us to support creating a table from a set of initial
files that were not created by Hudi. This will allow us to bootstrap tables
from an existing set of files instead of requiring users to rewrite tables with
filenames in a format that Hudi expects.
This feature only works if metadata table is enabled.
This PR also contains some minor changes around unnecessary copying of
arrays, use of LinkedList, and over use of Option when dealing with collections
to reduce memory overhead.
### Impact
This introduces more complexity when writing data to metadata table and
requires an extra traversal of the file name to check if the file name contains
the commit time.
### Risk level (write none, low medium or high below)
low
### Documentation Update
_Describe any necessary documentation update if there is any new feature,
config, or user-facing change_
- _The config description must be updated if new configs are added or the
default value of the configs are changed_
- _Any new feature or user-facing change requires updating the Hudi website.
Please create a Jira ticket, attach the
ticket number here and follow the
[instruction](https://hudi.apache.org/contribute/developer-setup#website) to
make
changes to the website._
### Contributor's checklist
- [ ] Read through [contributor's
guide](https://hudi.apache.org/contribute/how-to-contribute)
- [ ] Change Logs and Impact were stated clearly
- [ ] Adequate tests were added if applicable
- [ ] CI passed
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