Versions Compared

Old Version 12

changes.mady.by.user Jiangjie Qin

Saved on

compared with

New Version 13

changes.mady.by.user Jiangjie Qin

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

A corner case for LogAppendTime(LAT) - Leader migration:

Suppose we have broker0 and broker1. Broker0 is the current leader of a partition and broker1 is a follower. Consider the following scenario:

  1. message m0 is produced to broker 0 at time T0 (R LAT = T0, T0 is the clock on broker 0).
  2. broker1 as a follower replicated m0 and appended to its own log without changing the LogAppendTime of m0.
  3. broker0 went down and broker 1 become the new leader.
  4. message m1 is produced to broker 1 at time T1 (R LAT = T1, T1 is the clock on broker 1).

...