[GitHub] [iceberg] stevenzwu commented on a change in pull request #2501: API: API For CompactDataFiles and DataCompactionStrategy

[GitBox <gi...@apache.org>]

stevenzwu commented on a change in pull request #2501:
URL: https://github.com/apache/iceberg/pull/2501#discussion_r624567994



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File path: api/src/main/java/org/apache/iceberg/actions/CompactDataFiles.java
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@@ -0,0 +1,123 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.iceberg.actions;
+
+import java.util.Map;
+import org.apache.iceberg.StructLike;
+import org.apache.iceberg.expressions.Expression;
+
+public interface CompactDataFiles extends Action<CompactDataFiles, CompactDataFiles.Result> {
+
+  /**
+   * Enable committing groups of chunks prior see max-chunk-size to the entire compaction completing. This will produce additional commits
+   * but allow for progress even if some chunks fail to commit. The default is false, which produces a single commit
+   * when the entire job has completed.
+   */
+  String PARTIAL_PROGRESS_ENABLED = "partial-progress.enabled";
+  boolean PARTIAL_PROGRESS_ENABLED_DEFAULT = false;
+
+  /**
+   * The maximum amount of commits that compaction is allowed to produce if partial progress is enabled.
+   */
+  String PARTIAL_PROGRESS_MAX_COMMITS = "partial-progress.max-commits";
+  int PARTIAL_PROGRESS_MAX_COMMITS_DEFAULT = 10;
+
+  // TODO be set once we have an ENUM in core
+  // String COMPACTION_STRATEGY_DEFAULT;
+
+  /**
+   * The entire compaction operation is broken down into pieces based on partitioning and within partitions based
+   * on size. These sub-units of compaction are referred to as chunks. The largest amount of data that should be
+   * compacted in a single chunk is controlled by MAX_CHUNK_SIZE_BYTES. When grouping files, the underlying
+   * compaction strategy will use this value to but an upper bound on the number of files included in a single

Review comment:
       typo? "but an upper bound" -> "put an upper bound"?




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