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Improve error message when sparkey hits array-size limits #5300

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kellen opened this issue Mar 13, 2024 · 0 comments
Open

Improve error message when sparkey hits array-size limits #5300

kellen opened this issue Mar 13, 2024 · 0 comments

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@kellen
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kellen commented Mar 13, 2024 •
edited

When using saveAsSparkey, if any shard is > ~2gb then you will get a coder exception and something like

Error message from worker: org.apache.beam.sdk.util.UserCodeException: java.lang.OutOfMemoryError: Required array length 2147483639 + 15534 is too large

which is not easily interpretable.

See if we can preemptively capture serialized sizes so that we can issue a better error message like "Increase number of sparkey shards"
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@kellen