Comments below. I will skip most of the warnings as they are only warnings and due to your setup. Will also skip duplicate messages.
>From what I can see, there is nothing to be really worried about in what you sent. JMS 2014-03-06 6:10 GMT-05:00 Vimal Jain <[email protected]>: > Hi, > I am configuring 2 node hbase cluster atop 2 node Hadoop cluster for > production. > I am getting below warning/error/info/fail/exceptions in > master,region,zookeeper logs. > Since recommended minimum replication in hadoop is 3, you will not be able to achieve this with only 2 nodes. > Please help in debugging these.What each means ? > Master logs > 1) > WARN org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper: Node /hbase > > /backup-masters/ip-10-14-24-19.ap-southeast-1.compute.internal,60000,1394103610599 > already deleted, and this is not a retry > > 2) > ERROR org.apache.hadoop.hbase.regionserver.metrics.SchemaMetrics: Incons > istent configuration. Previous configuration for using table name in > metrics: true, new configuration: false > I have seen this one many times. I don't think it shoule be with ERROR log level. More probably INFO or maybe WARN. > > 3) > WARN org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper: Node /hbase > /root-region-server already deleted, and this is not a retry > > WARN org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper: Node /hbase > /table92/-ROOT- already deleted, and this is not a retry > > WARN org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper: Node /hbase > /table92/.META. already deleted, and this is not a retry > > Region Server logs > > 1) > ERROR org.apache.hadoop.hbase.regionserver.metrics.SchemaMetrics: > Inconsistent configuration. Previous configuration for using table name in > metrics: true, new configuration: false > > Zookeeper logs > > 1) > ERROR org.apache.zookeeper.server.quorum.QuorumPeerConfig: Invalid co > nfiguration, only one server specified (ignoring) > You have only one ZK server. That's most probably why youget this message. To have a Quorum, you need to have 3 or 5 ZK servers. > > 2) > INFO org.apache.zookeeper.server.PrepRequestProcessor: Got user-level > KeeperException when processing sessionid:0x144970cd8560000 type:delete > cxid:0x14 zxid:0xc txntype:-1 reqpath:n/a Error Path:/hbase/ba > > ckup-masters/ip-10-14-24-19.ap-southeast-1.compute.internal,60000,1394103610599 > Error:KeeperErrorCode = NoNode for /hbase/backup-master > s/ip-10-14-24-19.ap-southeast-1.compute.internal,60000,1394103610599 > > (This is repeated 6-7 times ). > -- > Thanks and Regards, > Vimal Jain >
