-Re: No info for Accumulo Master on Monitor Overview page
Eric Newton 2013-06-06, 21:57
Yea, that's a 1.4.2 issue. You can work around it by putting the accumulo
and hdfs accounts into the same group, or just ignore the display issue.
On Thu, Jun 6, 2013 at 5:48 PM, Terry P. <[EMAIL PROTECTED]> wrote:
> Hi Eric,
> Sorry I should have thought of including a screenshot. I've attached one
> to this email -- first one I've done, I hope it works just like a regular
> To ensure I had a clean monitor log, I shutdown Accumulo and started it up
> again. First there are all the [server.Accumulo] entries, here's the head
> of that which looks good:
> 2013-06-06 21:34:37,823 [server.Accumulo] INFO : monitor starting
> 2013-06-06 21:34:37,824 [server.Accumulo] INFO : Instance
> 2013-06-06 21:34:37,841 [server.Accumulo] INFO : Data Version 4
> 2013-06-06 21:34:37,841 [server.Accumulo] INFO : Attempting to talk to
> 2013-06-06 21:34:38,026 [server.Accumulo] INFO : Zookeeper connected and
> initialized, attemping to talk to HDFS
> 2013-06-06 21:34:38,030 [server.Accumulo] INFO : Connected to HDFS
> 2013-06-06 21:34:38,034 [server.Accumulo] INFO : gc.cycle.delay = 5m
> 2013-06-06 21:34:38,034 [server.Accumulo] INFO : gc.cycle.start = 30s
> 2013-06-06 21:34:38,034 [server.Accumulo] INFO : gc.port.client = 50091
> 2013-06-06 21:34:38,034 [server.Accumulo] INFO : gc.threads.delete = 16
> 2013-06-06 21:34:38,034 [server.Accumulo] INFO : general.classpaths > $ACCUMULO_HOME/src/server/target/classes/,
> Then at the very end I found (with only INFO messages in between):
> 2013-06-06 21:34:39,132 [monitor.Monitor] WARN :
> at java.lang.Thread.run(Unknown Source)
> That's the last entry in the monitor log.
> The second image I attached shows the Master Status page, showing there is
> no problem with that display.
> This is Accumulo 1.4.2 running as linux account 'accumulo' -- HDFS runs as
> the hdfs account, which is why the NameNode section shows "permission
> denied." NameNode and Accumulo Master reside on the same server. OS is
> Red Hat Enterprise Linux 6.3 64-bit.
> Thanks in advance,
> On Thu, Jun 6, 2013 at 2:58 PM, Eric Newton <[EMAIL PROTECTED]> wrote:
>> Would you have a screenshot? Any messages in the monitor log?
>> On Thu, Jun 6, 2013 at 2:44 PM, Terry P. <[EMAIL PROTECTED]> wrote:
>>> Greetings all,
>>> We have two Accumulo clusters built from essentially the same build
>>> procedure. Everything is running well with the exception that on the
>>> Accumulo Monitor Overview web page, the Accumulo Master box is blank -- the
>>> "Accumulo Master" title/hyperlink works (takes you to the "Master Server"
>>> page), but nothing is in the box. The NameNode, JobTracker, and Zookeeper
>>> boxes are all populated.
>>> On the Master Server page, I see the Master Status that shows 3 Online
>>> Tablet Servers, Loggers, Last GC, etc. It also shows the Table List. The
>>> Tablet Servers page looks good.
>>> In these small clusters we have one Accumulo Master that runs on the
>>> NameNode, 3 DataNodes, 3 Zookeepers. I'm in the process of firing up a
>>> Secondary NameNode which will also run an Alternate Accumulo Master in case
>>> the Master on the NameNode were to fail for some reason, but I have not