is there any command which can give us the list of components that are registered with znode in real time? i want to see what are the hiveservers that are registered with zookeeper...etc ... View more

upgraded from HDP 2.2 to HDP 2.3.4 and i couldn't see anything under hive where memory and other important parameters display in ambariscreen-shot-2016-01-20-at-53419-pm.png ... View more

not sure what parameter i have to change Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at org.apache.hadoop.hbase.regionserver.HRegionServer.constructRegionServer(HRegionServer.java:2484) ... 5 more Caused by: java.lang.OutOfMemoryError: Direct buffer memory at java.nio.Bits.reserveMemory(Bits.java:658) at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:123) at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:306) ... View more

we got ambari 2.1.2 and we are able to send snmptraps to externals monitoring servers. however our monitoring folks says they don't see complete message to format it on their side. is it related to https://issues.apache.org/jira/browse/AMBARI-13205... bug? ... View more

I had a tough time with Ambari 1.7 pointing to Mysql 5.6 on remote host. AS is using all the available ports on the source to make a connection to remote host to port 3306. At one time i saw 28000 ports being used by ambari to connect. this is killing us because it even used 50070 at one time, and i had tough time to figure it out. Finally i stopped ambari-server and all is well. Did anyone face this issue? if so any idea on fix? apart from downgrading Mysql or upgrade ambari to 2.1.2? ... View more