D) * Append metadata to file body. * Compress individual files. * Name files with a random prefix pattern. * Save files to one bucket

A) * Append metadata to file body. * Compress individual files. * Name files with serverName-Timestamp. * Create a new bucket if bucket is older than 1 hour and save individual files to the new bucket. Otherwise, save files to existing bucket

B) * Batch every 10,000 events with a single manifest file for metadata. * Compress event files and manifest file into a single archive file. * Name files using serverName-EventSequence. * Create a new bucket if bucket is older than 1 day and save the single archive file to the new bucket. Otherwise, save the single archive file to existing bucket.

C) * Compress individual files. * Name files with serverName-EventSequence. * Save files to one bucket * Set custom metadata headers for each object after saving.