我用hive来分析数据 我创建表并将本地文件加载到配置单元 当我在配置单元上运行 hiveql 时
select sum(qlog_test.contlength) from qlog_test where qlog_test.area='HK' limit 10;
它卡在 map 上 100% 减少 0%
2012-12-08 21:39:28,349 Stage-1 map = 80%,减少 = 0%,累计 CPU 29.72 秒
2012-12-08 21:39:29,370 Stage-1 map = 80%,减少 = 0%,累计 CPU 29.72 秒
2012-12-08 21:39:30,385 Stage-1 map = 80%,减少 = 0%,累计 CPU 29.72 秒
2012-12-08 21:39:31,401 Stage-1 map = 80%,减少 = 0%,累计 CPU 29.72 秒
2012-12-08 21:39:32,413 Stage-1 map = 80%,减少 = 0%,累计 CPU 29.72 秒
2012-12-08 21:39:33,423 Stage-1 map = 80%,减少 = 0%,累计 CPU 29.72 秒
2012-12-08 21:39:34,434 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
2012-12-08 21:39:35,445 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
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2012-12-08 21:39:38,485 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
2012-12-08 21:39:39,503 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
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2012-12-08 21:39:42,536 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
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2012-12-08 21:39:49,619 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
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2012-12-08 21:39:51,647 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
2012-12-08 21:39:52,661 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
2012-12-08 21:39:53,675 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
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2012-12-08 21:39:55,698 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
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2012-12-08 21:40:00,758 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
2012-12-08 21:40:01,768 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
2012-12-08 21:40:02,777 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
2012-12-08 21:40:03,786 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
2012-12-08 21:40:04,795 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
2012-12-08 21:40:05,804 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
2012-12-08 21:40:06,815 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
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2012-12-08 21:40:08,840 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
2012-12-08 21:40:09,854 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
2012-12-08 21:40:10,867 Stage-1 map = 100%,减少 = 0%,累计 CPU 35.89 秒
这是我的 hadoop 节点详细信息
这是 map/reduce 作业的详细信息
最佳答案
我有这个问题。确保查看 reducer 日志。引用您的屏幕截图,单击减少行中的 1 并跟踪记录所有数据的文件。然后,单击全部,查看导致问题的原因。我遇到的问题是 IP 配置错误,因此 mapper 和 reducer 无法通信。重新启动我的系统有帮助。编辑您的问题以包括减少日志中的内容,也许我们可以进一步帮助您。
关于hadoop - 配置单元总是减少到 0%,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/13778136/