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Surendra Singh Lilhore
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[HDFS-2933] Improve DataNode Web UI Index Page
...If you visit the root page of a datanode's web port, you get an index page with WEB-INF and robots.txt. More useful would be to include information about the datanode, like its version...
, 2013-12-22, 00:47
[HDFS-3207] Mechanism for HA failover to ignore fencing errors
...If an administrator wants to ignore fencing (perhaps because he knows that the other namenode has been taken out of comission for sure, but the fencing is ssh-based), there should be a flag ...
, 2012-08-27, 07:26
[HDFS-3084] FenceMethod.tryFence() and ShellCommandFencer should pass namenodeId as well as host:port
...The FenceMethod interface passes along the host:port of the NN that needs to be fenced. That's great for the common case. However, it's likely necessary to have extra configurati...
, 2012-04-06, 13:58
[HDFS-3071] haadmin failover command does not provide enough detail for when target NN is not ready to be active
...When running the failover command, you can get an error message like the following:$ hdfs --config $(pwd) haadmin -failover namenode2 namenode1Failover failed: xxx.yyy/220.127.116.11:8020 is not re...
, 2012-03-28, 09:06
[HDFS-3072] haadmin should have configurable timeouts for failover commands
...The HAAdmin failover could should time out reasonably aggressively and go onto the fencing strategies if it's dealing with a mostly dead active namenode. Currently it uses what's proba...
, 2012-03-24, 23:46
[HDFS-3081] SshFenceByTcpPort uses netcat incorrectly
...SshFencyByTcpPort currently assumes that the NN is listening on localhost. Typical setups have the namenode listening just on the hostname of the namenode, which would lead "nc -z" to ...
, 2012-03-20, 05:07
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