2.20

• Mount
  • Default to 128 concurrent writers to avoid OOM
• Filer
  • RocksDB adds native support for TTL
  • Upgrade redis module
• Cloud Tiering
  • Fix s3 upload "use of closed network connection" #1734
• Add weed filer.cat command
  • Read files directly from volume servers, without proxying through filer
• Server
  • Add option to disable master