Flink Iceberg Source 并行度推断源码解析
批读 Iceberg
Iceberg 提供了两个配置：
public static final ConfigOption<Boolean> TABLE_EXEC_ICEBERG_INFER_SOURCE_PARALLELISM =
ConfigOptions.key("table.exec.iceberg.infer-source-parallelism")
.booleanType()
.defaultValue(true)
.withDescription("If is false, parallelism of source are set by config.
" +
"If is true, source parallelism is inferred according to splits number.
");
public static final ConfigOption<Integer> TABLE_EXEC_ICEBERG_INFER_SOURCE_PARALLELISM_MAX =
ConfigOptions.key("table.exec.iceberg.infer-source-parallelism.max")
.intType()
.defaultValue(100)
.withDescription("Sets max infer parallelism for source operator.");
-
table.exec.iceberg.infer-source-parallelism：默认是 true，意味着 source 的并
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