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Posted to issues@iceberg.apache.org by GitBox <gi...@apache.org> on 2022/05/21 08:09:31 UTC
[GitHub] [iceberg] hililiwei commented on a diff in pull request #4801: Add Configuration page
hililiwei commented on code in PR #4801:
URL: https://github.com/apache/iceberg/pull/4801#discussion_r878662579
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docs/configurations/_index.md:
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@@ -0,0 +1,213 @@
+---
+bookIconFa: fa-gears
+bookFlatSection: true
+url: configurations
+weight: 470
+---
+<!--
+ - 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.
+ -->
+
+# Configurations
+
+### Table Read Properties
+
+| Property | Default | Description |
+| --------------------------------- | ------------------ | ------------------------------------------------------ |
+| read.split.target-size | 134217728 (128 MB) | Target size when combining data input splits |
+| read.split.metadata-target-size | 33554432 (32 MB) | Target size when combining metadata input splits |
+| read.split.planning-lookback | 10 | Number of bins to consider when combining input splits |
+| read.split.open-file-cost | 4194304 (4 MB) | The estimated cost to open a file, used as a minimum weight when combining splits. |
+| read.parquet.vectorization.enabled| false | Enables parquet vectorized reads |
+| read.parquet.vectorization.batch-size| 5000 | The batch size for parquet vectorized reads |
+| read.orc.vectorization.enabled | false | Enables orc vectorized reads |
+| read.orc.vectorization.batch-size | 5000 | The batch size for orc vectorized reads |
+
+### Table Write Properties
+
+| Property | Default | Description |
+| ---------------------------------- | ------------------ | -------------------------------------------------- |
+| write.format.default | parquet | Default file format for the table; parquet, avro, or orc |
+| write.delete.format.default | data file format | Default delete file format for the table; parquet, avro, or orc |
+| write.parquet.row-group-size-bytes | 134217728 (128 MB) | Parquet row group size |
+| write.parquet.page-size-bytes | 1048576 (1 MB) | Parquet page size |
+| write.parquet.dict-size-bytes | 2097152 (2 MB) | Parquet dictionary page size |
+| write.parquet.compression-codec | gzip | Parquet compression codec: zstd, brotli, lz4, gzip, snappy, uncompressed |
+| write.parquet.compression-level | null | Parquet compression level |
+| write.avro.compression-codec | gzip | Avro compression codec: gzip(deflate with 9 level), gzip, snappy, uncompressed |
Review Comment:
This section has been updated. #4790
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