• Volume Server
  • Avoid repeated loading the same volume. #1682
• Filer
  • Support path-specific filer store. (EXPERIMENTAL in 2.16, there are incompatible changes in the git tip)The meta data for one branch of the directory tree can be stored on a separate filer store, for better efficiency and scalability.
  • Fix Mysql/Postgres error handling for non-english languages.
  • Return http status 499 for client closed connection. #1684
• Minor
  • Expose master UI when http APIs are disabled. #1650
  • Detect IP address better. #1671
  • Prevent mistakenly delete empty collection. #1677
  • filer.copy errors a little bit more obviously. #1678