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HBASE-30501 Preserve original HFiles when splitting for bulk load - #8866

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HBASE-30501 Preserve original HFiles when splitting for bulk load#8866
ujjawal4046 wants to merge 1 commit into
apache:branch-2from
ujjawal4046:HBASE-30501-branch-2

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@ujjawal4046 ujjawal4046 commented Nov 10, 2026

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Summary

Backports HBASE-30501 to branch-2.

Preserve original top-level HFiles after splitting so a failed bulk load can be retried by a fresh process. Only intermediate split inputs already under .tmp are deleted after being split again.

This is a manual adaptation because branch-2 still implements the logic in LoadIncrementalHFiles, while the master change was made in BulkLoadHFilesTool.

Upstream master PR: #8819

Test

mvn -pl hbase-server -PrunLargeTests -Dhadoop.profile=3.0 \
  -Dwarbucks.skip=true \
  -Dtest=TestLoadIncrementalHFilesSplitRecovery#testFreshRetryAfterSplitFailure \
  -Dcheckstyle.skip=true -Dspotless.check.skip=true test

Result: 1 test run, 0 failures, 0 errors, 0 skipped.

@liuxiaocs7 liuxiaocs7 added the backport This PR is a back port of some issue or issues already committed to master label Nov 10, 2026
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@ujjawal4046 @liuxiaocs7