We are getting the following error in Hive query editor.This error occurs inconsistently.Select queries are working fine.We are using Ambari 2.2.2.2. ... View more

Hi All, We are using LVM on the Data nodes HDFS Volumes .Is this going to create latency in Read/Write . We have observed that local to HDFS files copies are taking too much of time .especially when doing multiple copies. Any thoughts on this .. Shihab ... View more

Hi All Hive is creating GB size files in /tmp we are facing size issue because of this. 15.3 G /tmp/hive/hive/e9f9943b-8b35-466a-9d61-17e8a86339f1/hive_2016-06-09_19-00-01_169_2126725244382661354-1/-mr-10001/.hive-staging_hive_2016-06-09_19-00-01_169_2126725244382661354-1/-ext-10002/000074_0 15.3 G /tmp/hive/hive/e9f9943b-8b35-466a-9d61-17e8a86339f1/hive_2016-06-09_19-00-01_169_2126725244382661354-1/-mr-10001/.hive-staging_hive_2016-06-09_19-00-01_169_2126725244382661354-1/-ext-10002/000075_0 15.2 G /tmp/hive/hive/e9f9943b-8b35-466a-9d61-17e8a86339f1/hive_2016-06-09_19-00-01_169_2126725244382661354-1/-mr-10001/.hive-staging_hive_2016-06-09_19-00-01_169_2126725244382661354-1/-ext-10002/000076_0 15.2 G /tmp/hive/hive/e9f9943b-8b35-466a-9d61-17e8a86339f1/hive_2016-06-09_19-00-01_169_2126725244382661354-1/-mr-10001/.hive-staging_hive_2016-06-09_19-00-01_169_2126725244382661354-1/-ext-10002/000077_0 15.4 G /tmp/hive/hive/e9f9943b-8b35-466a-9d61-17e8a86339f1/hive_2016-06-09_19-00-01_169_2126725244382661354-1/-mr-10001/.hive-staging_hive_2016-06-09_19-00-01_169_2126725244382661354-1/-ext-10002/000078_0 Any help is appreciated . Thanks in advance ... View more

Hi All, We currently have the following data node directories /data01,/data02,/data03 of 10 TB each .Now we have adding new file systems data04,data05,data06 16 TB each. Is the size different going to create any performance issues? Do we need to shrink the file system to match our existing ones? Any inputs would be appreciated. ... View more

Hi All, Ambari server started hanging .After restart it is not listening any more on port 8080 .It gives the following log while starting. # service ambari-server start -v -g Using python /usr/bin/python Starting ambari-server INFO: Loading properties from /etc/ambari-server/conf/ambari.properties INFO: Loading properties from /etc/ambari-server/conf/ambari.properties INFO: Loading properties from /etc/ambari-server/conf/ambari.properties INFO: Ambari Server is not running... INFO: Loading properties from /etc/ambari-server/conf/ambari.properties INFO: Loading properties from /etc/ambari-server/conf/ambari.properties Ambari Server running with administrator privileges. INFO: Loading properties from /etc/ambari-server/conf/ambari.properties Organizing resource files at /var/lib/ambari-server/resources... INFO: Loading properties from /etc/ambari-server/conf/ambari.properties INFO: AMBARI_SERVER_LIB is not set, using default /usr/lib/ambari-server INFO: Loading properties from /etc/ambari-server/conf/ambari.properties INFO: Loading properties from /etc/ambari-server/conf/ambari.properties INFO: Running server: ['/bin/sh', '-c', "ulimit -n 10000 ; /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.45-28.b13.el6_6.x86_64/bin/java -server -XX:NewRatio=2 -XX:+UseConcMarkSweepGC -Xms8192m -Xmx16384m -Djava.security.auth.login.config=/etc/ambari-server/conf/krb5JAASLogin.conf -Djava.security.krb5.conf=/etc/krb5.conf -Djavax.security.auth.useSubjectCredsOnly=false -Xdebug -Xrunjdwp:transport=dt_socket,address=5005,server=y,suspend=n -cp '/etc/ambari-server/conf:/usr/lib/ambari-server/*:/usr/share/java/mysql-connector-java.jar' org.apache.ambari.server.controller.AmbariServer > /var/log/ambari-server/ambari-server.out 2>&1 || echo $? > /var/run/ambari-server/ambari-server.exitcode &"] Server PID at: /var/run/ambari-server/ambari-server.pid Server out at: /var/log/ambari-server/ambari-server.out Server log at: /var/log/ambari-server/ambari-server.log Waiting for server start.................... Ambari Server 'start' completed successfully. Please help ... View more