Hi Folks, I am using HDP 2.6.4 version, where i have installed hbase active and standby server with three region server. I have started both on after another and both started successfully but both node automatically shutting down in some down while our HDFS is fully healthy. Following are the logs from hbase: 2018-12-10 10:17:20,767 INFO [LruBlockCacheStatsExecutor] hfile.LruBlockCache: totalSize=417.42 KB, freeSize=395.89 MB, m ax=396.30 MB, blockCount=0, accesses=0, hits=0, hitRatio=0, cachingAccesses=0, cachingHits=0, cachingHitsRatio=0,evictions =209, evicted=0, evictedPerRun=0.0 2018-12-10 10:18:48,539 INFO [Init Namespace Manager and Quota Manager Async] master.TableNamespaceManager: Waiting for n amespace table to be online. Time waited = 2100006 ms. 2018-12-10 10:22:20,767 INFO [LruBlockCacheStatsExecutor] hfile.LruBlockCache: totalSize=417.42 KB, freeSize=395.89 MB, m ax=396.30 MB, blockCount=0, accesses=0, hits=0, hitRatio=0, cachingAccesses=0, cachingHits=0, cachingHitsRatio=0,evictions =239, evicted=0, evictedPerRun=0.0 2018-12-10 10:23:48,538 ERROR [Init Namespace Manager and Quota Manager Async] master.HMaster: Namespace manager failed to start. java.io.IOException: Timedout 2400000ms waiting for namespace table to be assigned at org.apache.hadoop.hbase.master.TableNamespaceManager.start(TableNamespaceManager.java:109) at org.apache.hadoop.hbase.master.HMaster$1.run(HMaster.java:1162) at java.lang.Thread.run(Thread.java:745) 2018-12-10 10:23:48,539 FATAL [Init Namespace Manager and Quota Manager Async] master.HMaster: Master server abort: loaded coprocessors are: [] 2018-12-10 10:23:48,539 FATAL [Init Namespace Manager and Quota Manager Async] master.HMaster: Shutdown Master due to name space manager failed to start. java.io.IOException: Timedout 2400000ms waiting for namespace table to be assigned at org.apache.hadoop.hbase.master.TableNamespaceManager.start(TableNamespaceManager.java:109) at org.apache.hadoop.hbase.master.HMaster$1.run(HMaster.java:1162) at java.lang.Thread.run(Thread.java:745) 2018-12-10 10:23:48,539 INFO [Init Namespace Manager and Quota Manager Async] regionserver.HRegionServer: STOPPED: Shutdo wn Master due to namespace manager failed to start. ... View more

Hi Community Team, I'm trying to dig deeper in HDP component how HDP component works? How one compent call to other other component? How can i achieve it? Could you please help me to find the hadoop in deep? Thanks, Vinay K ... View more

ranger-hive-policy.png Hi All, I'm exploring the ranger hive policy, I can create policy on database, table , column lebel. I'm trying to understand url and hiveservice policy. What are the use case of these both policy in hive policy detail? url and hiveservice is available in hive policy. Please refer screenshot. Can anyone help me to understand the both use case? Regards, Vinay k ... View more

Hi Folks, I have 3 node cluster in my environment, where i have configured kerberos & ranger integrated with Active Directory. I have setup one way trust MIT KDC. Now while i'm running hive query, i'm getting below logs: Diagnostics: Application application_1528875723692_0001 initialization failed (exitCode=255) with output: main : command provided 0 main : run as user is asif main : requested yarn user is asif User asif not found If i create user on OS server where yarn install, I'm able to run query. But i don't want to create user on OS because i have setup with AD. How yarn understand about AD user? ... View more