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Agenda:

  1. Status Updates
    1. 4.8, release branch to be created soon (Enrico)
    1. Proposals for using Binary format in METADATA  - status of the work 
    2. Immutable Ledger Metadata - status of the work 
    3. Documentation status (need to document new features in 4.8)
    4. ExplicitLAC on the reader side (Enrico)
  2. BPs https://github.com/apache/bookkeeper/pulls?utf8=%E2%9C%93&q=is%3Aopen+bp+
  3. PRs https://github.com/apache/bookkeeper/pulls

 

Attendees:

JV, Enrico, Sijie, Andrey, Charan


Minutes:

  • JV askes to Sijie if there are known cases of error, in which a ledger comes back to OPEN state from CLOSE state
  • Sijie: Ivan is refactoing LedgerHandle in order to  not to have dependencies to "BookKeeper" class, so that it will be more 'testable'
  • Enrico: all of the changes are huge, I it preferrable to delay them to 4.9, Sijie is okay.
  • JV asks more explanations about the usage of watchers on the reader side as Enrico was discussing about, Sijie remembers that he introduced it at Twitter, but there are cases in which it makes sense not to have a watch, which is a waste, we can re-read metadata in case of missing information
  • Charan is wokring on a "Durability Constract", that is a new checker which verifies that all the data is replicated to enough bookies
    • in 4.7 we have this: setting auditorLedgerVerificationPercentage to 100 is very expensive
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