manojpec opened a new pull request #3955:
URL: https://github.com/apache/hudi/pull/3955
## What is the purpose of the pull request
Avoid ArithmeticException from ExternalSpillableMap put operations.
## Brief change log
- ExternalSpillableMap does the payload/value size estimation on the first
put to
determine when to spill over to disk map. The payload size re-estimation
also
happens after a minimum threshold of puts. This size re-estimation goes my
the
current in-memory map size for calculating average payload size and does
attempts
divide by zero operation when the map is size is empty. Avoiding the
ArithmeticException during the payload size re-estimate by checking the
map size
upfront.
- Added an unit test to repro the case and exercise the fix.
## Verify this pull request
*(Please pick either of the following options)*
This pull request is a trivial rework / code cleanup without any test
coverage.
*(or)*
This pull request is already covered by existing tests, such as *(please
describe tests)*.
(or)
This change added tests and can be verified as follows:
*(example:)*
- *Added integration tests for end-to-end.*
- *Added HoodieClientWriteTest to verify the change.*
- *Manually verified the change by running a job locally.*
## 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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