https://docs.aws.amazon.com/glue/latest/dg/aws-glue-api-jobs-job.html#aws-glue-api-jobs-job-ConnectionsList
MaxConcurrentRuns
- The maximum number of concurrent runs allowed for the job.
Worker type and Number of workers
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The number of AWS Glue data processing units (DPUs) allocated to runs of this job. You can allocate a minimum of 2 DPUs; the default is 10.
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A DPU is a relative measure of processing power that consists of 4 vCPUs of compute capacity and 16 GB of memory.

Important
- CSV data source does not support map<string,string> data type.
- "Invalid character” Raw field value: @NULL@
- Database Connection Redshift Singleton Class
- redshift ALTER TABLE ALTER COLUMN cannot run inside a transaction block
- json.loads(a) == json.loads(b) but a != b
- Serializable isolation violation on table - 387309
- Exceeded maximum concurrent compute capacity for your account: 500.
- aws Glue S3ServiceException:The provided token has expired
- psycopg2.InterfaceError: connection already closed
- Timestamp 문제 Timestamp(1725254811, 8) > Timestamp(1725254811, 10)
java.io.IOException: No space left on device