Hm I ran it analyze stats again and it worked second timeL
MapReduce Total cumulative CPU time: 5 minutes 26 seconds 500 msec Ended Job = job_1426887201015_0016 Table oraclehadoop.tdash stats: [numFiles=4, numRows=4000000, totalSize=32568651117, rawDataSize=32564651117] MapReduce Jobs Launched: Stage-Stage-0: Map: 121 Cumulative CPU: 326.5 sec HDFS Read: 32570197317 HDFS Write: 10164 SUCCESS Total MapReduce CPU Time Spent: 5 minutes 26 seconds 500 msec OK I wonder if we have some reliability issue here somewhere. You don't want this to happen in prod! Thanks Mich Talebzadeh http://talebzadehmich.wordpress.com Publications due shortly: Creating in-memory Data Grid for Trading Systems with Oracle TimesTen and Coherence Cache NOTE: The information in this email is proprietary and confidential. This message is for the designated recipient only, if you are not the intended recipient, you should destroy it immediately. Any information in this message shall not be understood as given or endorsed by Peridale Ltd, its subsidiaries or their employees, unless expressly so stated. It is the responsibility of the recipient to ensure that this email is virus free, therefore neither Peridale Ltd, its subsidiaries nor their employees accept any responsibility. From: Mich Talebzadeh [mailto:m...@peridale.co.uk] Sent: 24 March 2015 20:43 To: user@hive.apache.org Subject: Analyze stats on 4 million rows table fails with exception Buffer underflow. Hi all, Trying to analyze stats on 4 million rows table imported from Oracle via Sqoop and Hive 0: jdbc:hive2://rhes564:10010/default> analyze table tdash compute statistics; INFO : Hadoop job information for Stage-0: number of mappers: 121; number of reducers: 0 INFO : 2015-03-24 20:34:25,651 Stage-0 map = 0%, reduce = 0% INFO : 2015-03-24 20:34:40,945 Stage-0 map = 1%, reduce = 0%, Cumulative CPU 10.1 sec INFO : 2015-03-24 20:42:38,973 Stage-0 map = 98%, reduce = 0%, Cumulative CPU 324.06 sec INFO : 2015-03-24 20:42:43,061 Stage-0 map = 99%, reduce = 0%, Cumulative CPU 325.23 sec No rows affected (509.571 seconds) INFO : 2015-03-24 20:42:47,150 Stage-0 map = 100%, reduce = 0%, Cumulative CPU 327.3 sec INFO : MapReduce Total cumulative CPU time: 5 minutes 27 seconds 300 msec INFO : Ended Job = job_1426887201015_0012 INFO : [Warning] could not update stats.Failed with exception Buffer underflow. org.apache.hive.com.esotericsoftware.kryo.KryoException: Buffer underflow. Appreciate any feedback on this Thanks Mich Talebzadeh http://talebzadehmich.wordpress.com Publications due shortly: Creating in-memory Data Grid for Trading Systems with Oracle TimesTen and Coherence Cache NOTE: The information in this email is proprietary and confidential. This message is for the designated recipient only, if you are not the intended recipient, you should destroy it immediately. Any information in this message shall not be understood as given or endorsed by Peridale Ltd, its subsidiaries or their employees, unless expressly so stated. It is the responsibility of the recipient to ensure that this email is virus free, therefore neither Peridale Ltd, its subsidiaries nor their employees accept any responsibility.