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[spark] Optimize compact for data-evolution table, commit multiple times to avoid out of memory #6907

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Merged
JingsongLi merged 2 commits into from
Dec 26, 2025
Merged

[spark] Optimize compact for data-evolution table, commit multiple times to avoid out of memory #6907

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[spark] Optimize compact for data-evolution table, commit multiple ti…
leaves12138 Dec 26, 2025
56a0b7d
Fix minus
leaves12138 Dec 26, 2025
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11 changes: 3 additions & 8 deletions ...paimon-spark-common/src/main/java/org/apache/paimon/spark/procedure/CompactProcedure.java
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Original file line number Diff line number Diff line change
Expand Up @@ -489,7 +489,6 @@ private void compactDataEvolutionTable(
new DataEvolutionCompactCoordinator(table, partitionPredicate, false);
CommitMessageSerializer messageSerializerser = new CommitMessageSerializer();
String commitUser = createCommitUser(table.coreOptions().toConfiguration());
List<CommitMessage> messages = new ArrayList<>();
try {
while (true) {
compactionTasks = compactCoordinator.plan();
Expand Down Expand Up @@ -560,26 +559,22 @@ private void compactDataEvolutionTable(
return messagesBytes.iterator();
});

List<CommitMessage> messages = new ArrayList<>();
List<byte[]> serializedMessages = commitMessageJavaRDD.collect();
try {
try (TableCommitImpl commit = table.newCommit(commitUser)) {
for (byte[] serializedMessage : serializedMessages) {
messages.add(
messageSerializerser.deserialize(
messageSerializerser.getVersion(), serializedMessage));
}
commit.commit(messages);
} catch (Exception e) {
throw new RuntimeException("Deserialize commit message failed", e);
}
}
} catch (EndOfScanException e) {
LOG.info("Catching EndOfScanException, the compact job is finishing.");
}

try (TableCommitImpl commit = table.newCommit(commitUser)) {
commit.commit(messages);
} catch (Exception e) {
throw new RuntimeException(e);
}
}

private Set<BinaryRow> getHistoryPartition(
Expand Down