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[tiering] introduce the option of lake.tiering.io.tmpdir to avoid disk exhaustion#3569

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[tiering] introduce the option of lake.tiering.io.tmpdir to avoid disk exhaustion#3569
zuston wants to merge 1 commit into
apache:mainfrom
zuston:fixtmp2

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@zuston

@zuston zuston commented Jul 3, 2026

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Purpose

Linked issue: close #3568

Brief change log

Tests

API and Format

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@zuston zuston marked this pull request as ready for review July 3, 2026 10:04
@zuston zuston changed the title [tiering] introduce the option of 'lake.tiering.io.tmpdir' to avoid disk exhaustion [tiering] introduce the option of lake.tiering.io.tmpdir to avoid disk exhaustion Jul 3, 2026
@zuston

zuston commented Jul 3, 2026

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link the PR of #3193 . Could you help review this? @luoyuxia

public class MergeTreeWriter extends RecordWriter<KeyValue> {

// the option key to configure the temporary directory used by fluss tiering
private static final String FLUSS_TIERING_TMP_DIR_KEY = "fluss.tiering.io-tmpdir";

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We don't need to reserve this option that it haven't been valid.

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Disk exhaustion when tiering to paimon

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