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[HDFS-13326] RBF: Improve the interfaces to modify and view mount tables - HDFS - [issue]
...From DFSRouterAdmin cmd, currently the update logic is implemented inside add operation, where it has some limitation (e.g. cannot update "readonly" or removing a destination).  Given the RP...    Author: Wei Yan , 2018-09-18, 16:17
[HDFS-13507] RBF: Remove update functionality from routeradmin's add cmd - HDFS - [issue]
...Follow up the discussion in HDFS-13326. We should remove the "update" functionality from routeradmin's add cmd, to make it consistent with RPC calls.Note that: this is an incompatible change...    Author: Wei Yan , 2018-09-09, 16:33
[HDFS-13475] RBF: Admin cannot enforce Router enter SafeMode - HDFS - [issue]
...To reproduce the issue: $ bin/hdfs dfsrouteradmin -safemode enterSuccessfully enter safe mode.$ bin/hdfs dfsrouteradmin -safemode getSafe Mode: trueAnd then, $ bin/hdfs dfsrouteradmin -safem...    Author: Wei Yan , 2018-07-16, 17:50
[HDFS-13198] RBF: RouterHeartbeatService throws out CachedStateStore related exceptions when starting router - HDFS - [issue]
...Exception looks like:2018-02-23 19:04:56,341 ERROR router.RouterHeartbeatService: Cannot get version for class Cached State St...    Author: Wei Yan , 2018-05-16, 19:02
[HDFS-13045] RBF: Improve error message returned from subcluster - HDFS - [issue]
...Currently, Router directly returns exception response from subcluster to client, which may not have the correct error message, especially when the error message containing a path.One example...    Author: Wei Yan , 2018-05-09, 05:06
[HDFS-13466] RBF: Add more router-related information to the UI - HDFS - [issue]
...Currently in NameNode UI, the Summary part also includes information:Security is off.Safemode is off.**** files and directories, ***** blocks = **** total filesystem object(s).Heap Memory us...    Author: Wei Yan , 2018-05-09, 05:04
[HDFS-13230] RBF: ConnectionManager's cleanup task will compare each pool's own active conns with its total conns - HDFS - [issue]
...In the cleanup task:long timeSinceLastActive = - pool.getLastActiveTime();int total = pool.getNumConnections();int active = getNumActiveConnections();if (timeSinceLastActive > ...    Author: Wei Yan , 2018-04-05, 20:52
[HDFS-13232] RBF: ConnectionPool should return first usable connection - HDFS - [issue]
...In current ConnectionPool.getConnection(), it will return the first active connection:for (int i=0; i<size; i++) {  int index = (threadIndex + i) % size;  conn = tmpConnections....    Author: Wei Yan , 2018-04-05, 20:49
[HDFS-13187] RBF: Fix Routers information shown in the web UI - HDFS - [issue]
...HDFS-13043 added component to existing web UI to include router information there. But currently the UI doesn't show correctly. The new table is shown at the bottom of each tab, and it doesn...    Author: Wei Yan , 2018-04-05, 20:05
[HDFS-13303] branch-2 build is broken due to BlockManager for HDFS-12886 - HDFS - [issue]
...I think this is because of HDFS-12886. cc Íñigo Goiri...    Author: Wei Yan , 2018-03-16, 21:29