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[HDFS-2378] recoverBlock timeout in DFSClient should be longer - HDFS - [issue]
...In a failure scenario when one of the datanodes in a pipeline has "frozen" (eg hard swapping or disk controller issues) we sometimes see timeouts in the call to recoverBlock(). This is becau...    Author: Todd Lipcon , 2015-09-28, 21:08
[HDFS-1759] Improve error message when starting secure DN without jsvc - HDFS - [issue]
...Users find the current message "Cannot start secure cluster without privileged resources." to be confusing – it's not clear what actions to take to correct the error....    Author: Todd Lipcon , 2015-09-28, 21:08
[HDFS-3284] bootstrapStandby fails in secure cluster - HDFS - [issue]
...HDFS-3247 improved bootstrapStandby to check if the other NN is in active state before trying to bootstrap. But, it forgot to set up the kerberos principals in the config before doing so. So...    Author: Todd Lipcon , 2015-09-28, 20:58
[HDFS-3020] Auto-logSync based on edit log buffer size broken - HDFS - [issue]
...HDFS-1112 added a feature whereby the edit log automatically calls logSync() if the buffered data crosses a threshold. However, the code checks bufReady.size() rather than bufCurrent.size() ...    Author: Todd Lipcon , 2015-09-28, 20:58
[HDFS-2532] TestDfsOverAvroRpc timing out in trunk - HDFS - [issue]
..." Unknown protocol: org.apache.hadoop.ipc.AvroRpcEngine$TunnelProtocol" occurs while starting up the DN, and then it hangs waiting for the MiniCluste...    Author: Todd Lipcon , 2015-09-28, 20:58
[HDFS-309] FSEditLog should log progress during replay - HDFS - [issue]
...When the NameNode is replaying a long edit log, it's handy to have reports on how far through it is, so you can judge how much time it is remaining....    Author: Todd Lipcon , 2015-09-28, 20:58
[HDFS-3365] Enable users to disable socket caching in DFS client configuration - HDFS - [issue]
...Currently the user may configure the number of sockets to cache. But, if this conf is set to 0, then an exception results. Instead, setting to 0 should effectively disable the caching behavi...    Author: Todd Lipcon , 2015-09-28, 20:58
[HDFS-3240] Drop log level of "heartbeat: ..." in BPServiceActor to DEBUG - HDFS - [issue]
...The following log message is at INFO level, but should be at DEBUG level:"heartbeat: " + this);...    Author: Todd Lipcon , 2015-09-28, 20:58
[HDFS-3102] Add CLI tool to initialize the shared-edits dir - HDFS - [issue]
...Currently in order to make a non-HA NN HA, you need to initialize the shared edits dir. This can be done manually by cping directories around. It would be preferable to add a "namenode -init...    Author: Todd Lipcon , 2015-09-28, 20:58
[HDFS-3375] Put client name in DataXceiver thread name for readBlock and keepalive - HDFS - [issue]
...Currently the datanode thread names include the client for write operations, but not for read. We should include the client name for read ops. Additionally, in the keepalive phase, we should...    Author: Todd Lipcon , 2015-09-28, 20:58