Page History

• xrootd
  • requires more bookkeeping because it has no "ls"
  • I don't trust it - I'm aware that it's not intended to be a drop-in replacement for a disk-based filesystem, and I'm still trying to understand and internalize how it differs from one.
• Combine steps
  • reduces ability to roll back errors
  • increases latency
• Varying crumb size
  • makes lots of small crumbs, so digi files get read many times
• Varying chunk size
  • lots of small chunks mean more jobs are reading in parallel at the start of processing, but it does not increase the amount of data that's read

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