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Acceleration : Iceberg table compaction #3519

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Acceleration : Iceberg table compaction #3519

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b7c7559
feat: add native Rust Iceberg compaction with DataFusion and JNI bridge
Shekharrajak Feb 14, 2026
9c01c57
feat: add Scala JNI interface and CometNativeCompaction for Iceberg
Shekharrajak Feb 14, 2026
80051d0
feat: add COMET_ICEBERG_COMPACTION_ENABLED config option
Shekharrajak Feb 14, 2026
9dca0f3
test: add Iceberg compaction unit tests and TPC-H benchmark
Shekharrajak Feb 14, 2026
1df0011
test: add comprehensive Iceberg compaction tests for partitions, sche…
Shekharrajak Feb 14, 2026
ad88f6e
test: add file count validation and Spark vs Native comparison test
Shekharrajak Feb 14, 2026
9573823
fix: scalastyle errors - remove unused imports and unnecessary string…
Shekharrajak Feb 16, 2026
b9b015c
fix: Scala 2.13 compilation errors and unused parameter warnings
Shekharrajak Feb 16, 2026
326e6cc
fix: Scala 2.13 compilation errors and unused parameter warnings
Shekharrajak Feb 16, 2026
5435d7b
Merge upstream/main into feature/iceberg-compaction-benchmark
Shekharrajak Feb 16, 2026
aa78c26
feat: move CometNativeCompaction to main scope with provided Iceberg dep
Shekharrajak Feb 16, 2026
23a8dd2
fix: add enforcer ignore for Iceberg uber jar duplicate classes
Shekharrajak Feb 16, 2026
38095c3
feat: add CometCompactionRule to intercept CALL rewrite_data_files
Shekharrajak Feb 16, 2026
e2e9c33
test: add integration tests for CALL rewrite_data_files procedure
Shekharrajak Feb 16, 2026
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12 changes: 12 additions & 0 deletions common/src/main/scala/org/apache/comet/CometConf.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -150,6 +150,18 @@ object CometConf extends ShimCometConf {
.booleanConf
.createWithDefault(false)

val COMET_ICEBERG_COMPACTION_ENABLED: ConfigEntry[Boolean] =
conf("spark.comet.iceberg.compaction.enabled")
.category(CATEGORY_EXEC)
.doc(
"Whether to enable Comet-accelerated Iceberg compaction. When enabled, " +
"CALL rewrite_data_files() is intercepted and executed via Comet's native " +
"Rust/DataFusion engine for direct Parquet read/write, bypassing Spark's " +
"DAG execution. Only bin-pack strategy is supported; sort and z-order " +
"fall back to Spark's default. Requires Iceberg on the classpath. Experimental.")
.booleanConf
.createWithDefault(false)

val COMET_CSV_V2_NATIVE_ENABLED: ConfigEntry[Boolean] =
conf("spark.comet.scan.csv.v2.enabled")
.category(CATEGORY_TESTING)
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1 change: 1 addition & 0 deletions native/Cargo.lock
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1 change: 1 addition & 0 deletions native/core/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,7 @@ object_store_opendal = {version = "0.55.0", optional = true}
hdfs-sys = {version = "0.3", optional = true, features = ["hdfs_3_3"]}
opendal = { version ="0.55.0", optional = true, features = ["services-hdfs"] }
iceberg = { workspace = true }
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
uuid = "1.20.0"

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