hadoop/hadoop-common-project/hadoop-common/CHANGES.HDFS-1623.txt

48 lines
1.5 KiB
Plaintext
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

Changes for HDFS-1623 branch.
This change list will be merged into the trunk CHANGES.txt when the HDFS-1623
branch is merged.
------------------------------
HADOOP-7455. HA: Introduce HA Service Protocol Interface. (suresh)
HADOOP-7774. HA: Administrative CLI to control HA daemons. (todd)
HADOOP-7896. HA: if both NNs are in Standby mode, client needs to try failing
back and forth several times with sleeps. (atm)
HADOOP-7922. Improve some logging for client IPC failovers and
StandbyExceptions (todd)
HADOOP-7921. StandbyException should extend IOException (todd)
HADOOP-7928. HA: Client failover policy is incorrectly trying to fail over all
IOExceptions (atm)
HADOOP-7925. Add interface and update CLI to query current state to
HAServiceProtocol (eli via todd)
HADOOP-7932. Make client connection retries on socket time outs configurable.
(Uma Maheswara Rao G via todd)
HADOOP-7924. FailoverController for client-based configuration (eli)
HADOOP-7961. Move HA fencing to common. (eli)
HADOOP-7970. HAServiceProtocol methods must throw IOException.
(Hari Mankude via suresh).
HADOOP-7992. Add ZKClient library to facilitate leader election.
(Bikas Saha via suresh).
HADOOP-7983. HA: failover should be able to pass args to fencers. (eli)
HADOOP-7938. HA: the FailoverController should optionally fence the
active during failover. (eli)
HADOOP-7991. HA: the FailoverController should check the standby is
ready before failing over. (eli)
HADOOP-8038. Add 'ipc.client.connect.max.retries.on.timeouts' entry in
core-default.xml file. (Uma Maheswara Rao G via atm)