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This hacky fix shows an improvement in memory usage for iceberg#13297 #13298

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@jkolash jkolash commented Jun 11, 2025

The program was able to run to completion, but there were still leaks.

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@jkolash jkolash changed the title This hacky fix shows an improvement in memory ussage for iceberg#13297 This hacky fix shows an improvement in memory usage for iceberg#13297 Jun 11, 2025
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jkolash commented Jun 11, 2025

Running with the additional set of changes makes it so heap never even reaches 8 gigs.

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I ran this while doing zoom so it ran longer, but these changes dramatically reduce the amount of memory used for what I was doing.

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This pull request has been marked as stale due to 30 days of inactivity. It will be closed in 1 week if no further activity occurs. If you think that’s incorrect or this pull request requires a review, please simply write any comment. If closed, you can revive the PR at any time and @mention a reviewer or discuss it on the dev@iceberg.apache.org list. Thank you for your contributions.

@github-actions github-actions bot added the stale label Jul 12, 2025
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jkolash commented Jul 17, 2025

This is a bug in spark not in iceberg. This should be fixed in apache/spark#51503

@jkolash jkolash closed this Jul 17, 2025
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