S3サーバーアクセスログのフォーマット

SimplePrefixとPratitionedPrefixの二つ

[TargetPrefix][YYYY]-[MM]-[DD]-[hh]-[mm]-[ss]-[UniqueString]

event time or delivery time

[TargetPrefix][SourceAccountId]/[SourceRegion]/[SourceBucket]/[YYYY]/[MM]/[DD]/[YYYY]-[MM]-[DD]-[hh]-[mm]-[ss]-[UniqueString]

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