AnsweredAssumed Answered

why all the records ingest in one reduce�?

Question asked by tony on Aug 18, 2014
look at pic, there are more than 50 reduce, but all the records were handled by only one reduce, others reduces handle 0 records? why??



Task Id Start Time Finish Time
Error
task_201407071703_45628_r_000000 18/08 13:51:57 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000001 18/08 13:52:06 18/08 13:52:15 (8sec)
task_201407071703_45628_r_000002 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000003 18/08 13:52:06 18/08 13:52:15 (8sec)
task_201407071703_45628_r_000004 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000005 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000006 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000007 18/08 13:51:58 18/08 13:52:15 (16sec)
task_201407071703_45628_r_000008 18/08 13:52:06 18/08 13:52:15 (8sec)
task_201407071703_45628_r_000009 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000010 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000011 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000012 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000013 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000014 18/08 13:52:06 18/08 13:52:15 (8sec)
task_201407071703_45628_r_000015 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000016 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000017 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000018 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000019 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000020 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000021 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000022 18/08 13:51:58 18/08 13:52:16 (17sec)
task_201407071703_45628_r_000023 18/08 13:51:58 18/08 13:52:16 (18sec)
task_201407071703_45628_r_000024 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000025 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000026 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000027 18/08 13:52:06 18/08 13:52:15 (8sec)
task_201407071703_45628_r_000028 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000029 18/08 13:52:06 18/08 13:52:15 (8sec)
task_201407071703_45628_r_000030 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000031 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000032 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000033 18/08 13:52:06 18/08 13:52:15 (8sec)
task_201407071703_45628_r_000034 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000035 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000036 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000037 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000038 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000039 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000040 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000041 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000042 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000043 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000044 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000045 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000046 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000047 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000048 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000049 18/08 13:51:58 18/08 13:52:15 (17sec)
task_201407071703_45628_r_000050 18/08 13:51:58 18/08 13:52:15 (17sec)
***task_201407071703_45628_r_000051 18/08 14:41:18 18/08 16:35:18 (1hrs, 53mins, 59sec)***

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