LZO files are combinable so check your max split setting. http://mail-archives.apache.org/mod_mbox/hive-user/201107.mbox/%[email protected]%3E
igor decide.com On Wed, Aug 21, 2013 at 2:17 AM, 闫昆 <[email protected]> wrote: > hi all when i use hive > hive job make only one mapper actually my file split 18 block my block > size is 128MB and data size 2GB > i use lzo compression and create file.lzo and make index file.lzo.index > i use hive 0.10.0 > > Total MapReduce jobs = 1 > Launching Job 1 out of 1 > Number of reduce tasks is set to 0 since there's no reduce operator > Cannot run job locally: Input Size (= 2304560827) is larger than > hive.exec.mode.local.auto.inputbytes.max (= 134217728) > Starting Job = job_1377071515613_0003, Tracking URL = > http://hydra0001:8088/proxy/application_1377071515613_0003/ > Kill Command = /opt/module/hadoop-2.0.0-cdh4.3.0/bin/hadoop job -kill > job_1377071515613_0003 > Hadoop job information for Stage-1: number of mappers: 1; number of > reducers: 0 > 2013-08-21 16:44:30,237 Stage-1 map = 0%, reduce = 0% > 2013-08-21 16:44:40,495 Stage-1 map = 2%, reduce = 0%, Cumulative CPU > 6.81 sec > 2013-08-21 16:44:41,710 Stage-1 map = 2%, reduce = 0%, Cumulative CPU > 6.81 sec > 2013-08-21 16:44:42,919 Stage-1 map = 2%, reduce = 0%, Cumulative CPU > 6.81 sec > 2013-08-21 16:44:44,117 Stage-1 map = 3%, reduce = 0%, Cumulative CPU > 9.95 sec > 2013-08-21 16:44:45,333 Stage-1 map = 3%, reduce = 0%, Cumulative CPU > 9.95 sec > 2013-08-21 16:44:46,530 Stage-1 map = 5%, reduce = 0%, Cumulative CPU > 13.0 sec > > -- > > In the Hadoop world, I am just a novice, explore the entire Hadoop > ecosystem, I hope one day I can contribute their own code > > YanBit > [email protected] > >
