安装hadoop(单机版) 一 试验环境 操作系统 IP 主机名 Hadoop版本 CentOS 6.5 10.192.203.108 nn01 2.6.4 二 试验步骤 2.1 安装jdk 安装jdk可以参考:https://blog.csdn.net/yabingshi_tech/article/details/51498017 2.2 创建hadoop用户 useradd hadoop passwd hadoop #添... ...
代码语言:javascript 运行 AI代码解释 File "/usr/local/Cellar/apache-spark/3.1.1/libexec/python/lib/pyspark.zip/pyspark/worker.py", line 586, in main func, profiler, deserializer, serializer = read_command(pickleSer, infile) File "/usr/local/Cellar/apache-spark/3.1.1/libexec/python/lib/pysp...
技术标签:Hadoop运维软件技术 背景:开发同事反馈连接impala 刷新表连接超时 问题现象: 使用命令连接impala引擎后执行invalidate metadata default.hjc03161408; 起初报错如下: Error: Couldn’t open transport for cdh6-krb5.senses-ai.com:26000 (connect() failed: Connection r... ...
grunt-cli: The grunt command line interface (v1.2.0) Fatal error: Unable to find local grunt. If you're seeing this message, grunt hasn't been installed locally to your project. For more information about installing and configuring grunt, please see the Getting Started guide: http://gruntjs...
at org.apache.hadoop.fs.shell.Command.run(Command.java:154) at org.apache.hadoop.fs.FsShell.run(FsShell.java:287) after investigation, I found the folder has over 3,200,000 sub folders in it, and thehdfs dfs -rm -rcommand searchs recursively for all files in the target foler, and ...
(Future.scala:24) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) 17/01/15 06:31:38 ERROR InsertIntoHadoopFsRelationCommand: Abortin...
1) To access pig you type pig in the hadoop command prompt: a) Load the file into the PigStorage which is on top of HDFS. You can also optionally set a schema to the data as defined after the AS keyword below. There are limited data types, don't expect the full range that is av...
Exception in thread "main" java.lang.OutOfMemoryError: GC overhead limit exceeded at java.nio.ByteBuffer.allocate(ByteBuffer.java:331) at java.nio.charset.CharsetEncoder.encode(CharsetEncoder.java:777) at org.apache.hadoop.io.Text.encode(Text.java:432) at org.apache.hadoop.io.Text.set(Text....
import org.apache.hadoop.hive.ql.exec.UDF @Description( name = "sandbox_collections", value = "_FUNC_(x) - takes in a collection of TestMes and works on all of them", extended = """ For example, you could do something like this: SELECT _FUNC_(NAMED_STRUCT('value', 'Test Me',...
Launching java with spark-submit command /Users/Hilton_iMac/Library/Caches/spark/spark-2.0.1-bin-hadoop2.7/bin/spark-submit --driver-memory "4g" sparkr-shell /var/folders/hw/51jrzlkx0vgdrnv_jsz_jcnh0000gn/T//RtmpzwBjzM/backend_port9da71291146 Taking a look on spark UI: http://localhost...