> On 2010-06-11 16:39:32, stack wrote: > > I tried the patch. I'm not sure its working. I started cluster with one > > master. After startup, I brought up a second master. I killed first. > > Eventually second assumed master role. I restarted the killed. I tried to > > access the killed master. I see in logs that its blocked waiting to grab > > lease in zk so it can assume master role. I'd expect that accessing this > > server would give redirect me to the second master, but all I get is > > "refusing connections". If I dump out 'status "detailed"' in shell, I > > don't see anything about who is master. This patch might be messing up > > hbase.css too. With it in place, I seemed to lose the blue border on > > everything. I just tried w/o and blue border came back. > > Lars George wrote: > Thanks for testing! We need to sort this out obviously. Why CSS should be > affected I do not know, none of the JSP's were touched. I could only imagine > that the redirect has some adverse affect? So you do not see the restarted > and now standby master redirecting to the new one but instead simply keeps > hanging with a timeout or does it print an error message. > > I am hoping to be able to replace one of my clusters with 0.20.5 and will > backport the patch to it to be able to test properly. I keep this ticket open > until there was a proper in-place test working successful.
Michael, Should we also open an issue for all backup masters to list themselves in ZK so that we can print out their names as part of the cluster status? - Lars ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: http://review.hbase.org/r/162/#review200 ----------------------------------------------------------- On 2010-06-07 23:55:54, Lars George wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > http://review.hbase.org/r/162/ > ----------------------------------------------------------- > > (Updated 2010-06-07 23:55:54) > > > Review request for hbase. > > > Summary > ------- > > HBASE-1748 ClusterStatus needs to print out who has master role > > Please have a look, I was not able to test (yet) on a single machine. Will > try on cluster later but wanted to get a quick feedback. > > Also upped VERSION in ClusterStatus, is that OK or not needed? > > > Diffs > ----- > > src/main/java/org/apache/hadoop/hbase/ClusterStatus.java d102643 > src/main/java/org/apache/hadoop/hbase/master/HMaster.java 5946eee > src/main/java/org/apache/hadoop/hbase/util/InfoServer.java 7a3d4f9 > src/main/java/org/apache/hadoop/hbase/util/MasterLocatorFilter.java > PRE-CREATION > > Diff: http://review.hbase.org/r/162/diff > > > Testing > ------- > > > Thanks, > > Lars > >
