[BOOKKEEPER-878] verify switching FlatLedgerManager to HierarchicalLedgerManager

• Type: Task
• Status: In Progress
• Priority: Major
• Resolution: Unresolved
• Labels: ghmigrated iktriage1
• Assignee: Sijie Guo
• Reporter: Sijie Guo
• Created: 05/Nov/15 18:55
• Updated: 17/Oct/17 21:28

Description

after BOOKKEEPER-438 is in, it is possible to switch FlatLedgerManager to HierarchicalLedgerManager.

• we need to verify whether it works
• add test cases to cover these steps
• documentation about the steps

if this is verified, port BOOKKEEPER-438 back to 4.3.* branch to make it available.

Issue Links

• relates to: BOOKKEEPER-438 Move ledger id generation out of LedgerManager
• relates to: BOOKKEEPER-39 Bookie server failed to restart because of too many ledgers (more than ~50,000 ledgers)