vinothchandar opened a new pull request #1351: [WIP] [HUDI-625] Fixing performance issues around DiskBasedMap & kryo URL: https://github.com/apache/incubator-hudi/pull/1351 - This is very rough cut of few things I tried; Just for sharing purposes - Kryo needs serializers and once we add them, the ser/deser is fast and writing finishes 10-20x faster - DiskbasedMap is tracking too many things redundantly and incurring its cost as well. - TODO : Need to break the kryo and map fix in differnt PRs - TODO : For map entry thinning, need to handle compaction, fix code structure, tests - TODO : For kyro, one more pass with good understanding of APIs, tests, null handling, cleanup ## *Tips* - *Thank you very much for contributing to Apache Hudi.* - *Please review https://hudi.apache.org/contributing.html before opening a pull request.* ## What is the purpose of the pull request *(For example: This pull request adds quick-start document.)* ## Brief change log *(for example:)* - *Modify AnnotationLocation checkstyle rule in checkstyle.xml* ## 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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