HuangZhenQiu commented on code in PR #13409:
URL: https://github.com/apache/hudi/pull/13409#discussion_r2196933455
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hudi-flink-datasource/hudi-flink/src/main/java/org/apache/hudi/configuration/FlinkOptions.java:
##########
@@ -586,6 +586,27 @@ private FlinkOptions() {
.withDescription("Maximum memory in MB for a write task, when the
threshold hits,\n"
+ "it flushes the max size data bucket to avoid OOM, default 1GB");
+ @AdvancedConfig
+ public static final ConfigOption<Boolean> WRITE_BUFFER_SORT_ENABLED =
ConfigOptions
+ .key("write.buffer.sort.enabled")
+ .booleanType()
+ .defaultValue(false) // default no sort
+ .withDescription("Whether to enable buffer sort within append write
function.");
+
+ @AdvancedConfig
+ public static final ConfigOption<String> WRITE_BUFFER_SORT_KEYS =
ConfigOptions
+ .key("write.buffer.sort.keys")
+ .stringType()
+ .noDefaultValue() // default no sort key
+ .withDescription("Sort keys concatenated by comma for buffer sort in
append write function.");
+
+ @AdvancedConfig
+ public static final ConfigOption<Long> WRITE_BUFFER_SIZE = ConfigOptions
Review Comment:
It is base on number of records. With this config, it easier for users to
control the buffer flush on both number of record and MemorySegmentPool size.
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