TeraSort 和 AI

sort 阶段

1572026-06-1020:38:44,035INFO terasort.TeraSort:starting1582026-06-1020:38:44,948INFO input.FileInputFormat:Total input files to process:128159Spent278ms computing base-splits.160Spent10ms computing TeraScheduler splits.161Computing input splits took289ms162Sampling10splits of1536163Making422from100000sampled records164Computing parititions took609ms165Spent900ms computing partitions.1662026-06-1020:38:45,645INFO client.DefaultNoHARMFailoverProxyProvider:Connecting to ResourceManager at hadoop00/10.10.10.250:80321672026-06-1020:38:45,887INFO mapreduce.JobResourceUploader:Disabling Erasure Codingforpath:/user/root/.stag ing/job_1781094067324_00021682026-06-1020:38:45,978INFO mapreduce.JobSubmitter:number of splits:15361692026-06-1020:38:46,130INFO mapreduce.JobSubmitter:Submitting tokensforjob:job_1781094067324_00021702026-06-1020:38:46,130INFO mapreduce.JobSubmitter:Executing with tokens:[]1712026-06-1020:38:46,260INFO conf.Configuration:resource-types.xmlnotfound1722026-06-1020:38:46,260INFO resource.ResourceUtils:Unable to find'resource-types.xml'.1732026-06-1020:38:46,308INFO impl.YarnClientImpl:Submitted application application_1781094067324_00021742026-06-1020:38:46,336INFO mapreduce.Job:The url to track the job:http://hadoop00:9876/proxy/application_17 81094067324_0002/1752026-06-1020:38:46,336INFO mapreduce.Job:Running job:job_1781094067324_00021762026-06-1020:38:58,437INFO mapreduce.Job:Job job_1781094067324_0002 running in uber mode:false1772026-06-1020:38:58,438INFO mapreduce.Job:map0%reduce0%1782026-06-1020:39:15,729INFO mapreduce.Job:map2%reduce0%1792026-06-1020:39:18,749INFO mapreduce.Job:map4%reduce0%1802026-06-1020:39:21,783INFO mapreduce.Job:map5%reduce0%

AI 阅读代码

Partitioner 分析