issue: #38399 - Make a timetick-commit-based write ahead buffer at write side. - Add a switchable scanner at read side to transfer the state between catchup and tailing read Signed-off-by: chyezh <chyezh@outlook.com>
issue: #33285 --------- Signed-off-by: chyezh <chyezh@outlook.com>
issue: #33285 - add adaptor to implement walimpls into wal interface. - implement timetick sorted and filtering scanner. - add test for wal. --------- Signed-off-by: chyezh <chyezh@outlook.com>