Uma Maheswara Rao G created BOOKKEEPER-325:
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Summary: Delay the replication of a ledger if RW found that its
last fragment is underReplication.
Key: BOOKKEEPER-325
URL: https://issues.apache.org/jira/browse/BOOKKEEPER-325
Project: Bookkeeper
Issue Type: Sub-task
Components: bookkeeper-client, bookkeeper-server
Affects Versions: 4.2.0
Reporter: Uma Maheswara Rao G
Assignee: Uma Maheswara Rao G
When RW found that ledger's last fragment is in underReplication state, then we
should delay that ledger replication for some grace period. optimally we can
replicate other fragments.
The idea is, Whenever it finds the last fragement is under replicated, It can
add into PendingReplication list.
There will be a small daemon, which will check for the timeouts of this
ledgers.
Once it timed out , it will trigger the normal replication process if it is not
in last fragment. Otherwise, it will fence the ledger and will trigger the
replication nomally.
see the discussion for more info:
http://markmail.org/message/ruhhxxgvuqnjlu2s#query:+page:1+mid:f6ifo4sizulwiaem+state:results
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