Make self-checks false by default in order to investigate performance impact.

Author: yruslan

README.md

@@ -1619,12 +1619,12 @@ The output looks like this:
 
 ##### Debug helper options
 
-| Option (usage example)                             | Description                                                                                                                                                                        |
-|----------------------------------------------------|:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| .option("pedantic", "false")                       | If 'true' Cobrix will throw an exception is an unknown option is encountered. If 'false' (default), unknown options will be logged as an error without failing Spark Application.  |
-| .option("debug_layout_positions", "true")          | If 'true' Cobrix will generate and log layout positions table when reading data.                                                                                                   |
-| .option("debug_ignore_file_size", "true")          | If 'true' no exception will be thrown if record size does not match file size. Useful for debugging copybooks to make them match a data file.                                      |
-| .option("enable_self_checks", "true")              | If 'true' (default) Cobrix will run self-checks to validate internal consistency. Note: Enabling this option may impact performance, especially for large datasets. It is recommended to disable this option in performance-critical environments. The only check implemented so far is custom record extractor indexing compatibility check.   |
+| Option (usage example)                             | Description                                                                                                                                                                                                                                                                                                                         |
+|----------------------------------------------------|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| .option("pedantic", "false")                       | If 'true' Cobrix will throw an exception is an unknown option is encountered. If 'false' (default), unknown options will be logged as an error without failing Spark Application.                                                                                                                                                   |
+| .option("debug_layout_positions", "true")          | If 'true' Cobrix will generate and log layout positions table when reading data.                                                                                                                                                                                                                                                    |
+| .option("debug_ignore_file_size", "true")          | If 'true' no exception will be thrown if record size does not match file size. Useful for debugging copybooks to make them match a data file.                                                                                                                                                                                       |
+| .option("enable_self_checks", "true")              | If 'true' Cobrix will run self-checks to validate internal consistency. Note: Enabling this option may impact performance, especially for large datasets. It is recommended to disable this option in performance-critical environments. The only check implemented so far is custom record extractor indexing compatibility check. |
 
 ##### Currently supported EBCDIC code pages
 

spark-cobol/src/main/scala/za/co/absa/cobrix/spark/cobol/parameters/CobolParametersParser.scala

@@ -285,7 +285,7 @@ object CobolParametersParser extends Logging {
       getDebuggingFieldsPolicy(recordFormat, params),
       params.getOrElse(PARAM_DEBUG_IGNORE_FILE_SIZE, "false").toBoolean,
       params.getOrElse(PARAM_DEBUG_LAYOUT_POSITIONS, "false").toBoolean,
-      params.getOrElse(PARAM_ENABLE_SELF_CHECKS, "true").toBoolean,
+      params.getOrElse(PARAM_ENABLE_SELF_CHECKS, "false").toBoolean,
       MetadataPolicy(params.getOrElse(PARAM_METADATA, "basic"))
       )
     validateSparkCobolOptions(params, recordFormat)