AWS Glue PII detector job taking too much time

Question

I have an AWS Glue PII data detector job, its taking around 47 minutes to complete for 17.9 MB file size which is very long time for any spark job.

Sharing the code snippet used in the job

```
S3bucket_node1 = glueContext.create_dynamic_frame.from_options(
    format_options={
        "quoteChar": '"',
        "withHeader": True,
        "separator": ",",
        "optimizePerformance": False,
    },
    connection_type="s3",
    format="csv",
    connection_options={"paths": [f'{input_location}{file_name}']},
    transformation_ctx="S3bucket_node1",
)
# Script generated for node ApplyMapping
entity_detector = EntityDetector()
classified_map = entity_detector.classify_columns(
    S3bucket_node1,
    [
        "PERSON_NAME",
        "EMAIL",
        "CREDIT_CARD",
        "IP_ADDRESS",
        "MAC_ADDRESS",
        "PHONE_NUMBER",
        "USA_PASSPORT_NUMBER",
        "USA_SSN",
        "USA_ITIN",
        "BANK_ACCOUNT",
        "USA_DRIVING_LICENSE",
        "USA_HCPCS_CODE",
        "USA_NATIONAL_DRUG_CODE",
        "USA_NATIONAL_PROVIDER_IDENTIFIER",
        "USA_DEA_NUMBER",
        "USA_HEALTH_INSURANCE_CLAIM_NUMBER",
        "USA_MEDICARE_BENEFICIARY_IDENTIFIER",
        "JAPAN_BANK_ACCOUNT",
        "JAPAN_DRIVING_LICENSE",
        "JAPAN_MY_NUMBER",
        "JAPAN_PASSPORT_NUMBER",
        "UK_BANK_ACCOUNT",
        "UK_BANK_SORT_CODE",
        "UK_DRIVING_LICENSE",
        "UK_ELECTORAL_ROLL_NUMBER",
        "UK_NATIONAL_HEALTH_SERVICE_NUMBER",
        "UK_NATIONAL_INSURANCE_NUMBER",
        "UK_PASSPORT_NUMBER",
        "UK_PHONE_NUMBER",
        "UK_UNIQUE_TAXPAYER_REFERENCE_NUMBER",
        "UK_VALUE_ADDED_TAX",
        "CANADA_SIN",
        "CANADA_PASSPORT_NUMBER",
        "GENDER",
    ],
    1.0,
    0.55,
)

```

I have spark application log file as well, can't attach in this question.

What is the root cause of time consumption by this job?

Accepted Answer

Hi,

It could be because you are looking for a huge list of entity types against all the rows.

Does your use case requirements allow you to reduce the sample portion (which defines the percent of scanned rows for the PII entity) as well as detection threshold (which defines he percentage of rows that contain the PII entity in order for the entire column to be identified as having the PII entity)?

AWS Glue PII detector job taking too much time

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