Viewing Amazon CloudWatch metrics
After running the table optimizers successfully, the service creates Amazon CloudWatch metrics on the optimization job performance. You can go to the CloudWatch Metrics and choose Metrics, All metrics. You can to filter metrics by the specific namespace (for example Amazon Glue), table name, or database name.
For more information, see View available metrics in the Amazon CloudWatch User Guide.
Compaction
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Number of bytes compacted
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Number of files compacted
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Number of DPU allocated to job
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Duration of job (Hours)
Snapshot retention
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Number of data files deleted
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Number of manifest files deleted
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Number of Manifest lists deleted
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Duration of job (Hours)
Orphan file deletion
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Number of orphan files deleted
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Duration of job (Hours)