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重新配置CDH

注:只在这步发生错误并需要重新安装CDH时执行过以下步骤并且有效。在安装spark、yarn等过程中失败并需要重新安装CDH时卸载较麻烦,可以考虑完全重装。 停止所有 cloudera-scm-agent 服务 和 ...

centos7安装Hadoop+hbase+hive步骤

centos7安装Hadoop+hbase+hive步骤 一、IP、DNS、主机名 linux 静态IP、DNS、主机名配置 二、Hadoop 1. IP分配 2. 安装jdk8(四台) yum list java* yum install -y java-1.8.0-openjdk-dev...

Stack trace: ExitCodeException exitCode=10:

Stack trace: ExitCodeException exitCode=10: 问题1: Spark 提交任务报错 使用命令: spark-submit --class cn.lwenhao.HiveApplication --master yarn --deploy-mode cluster SpringBoot...

Required executor memory (1024+384 MB) is above the max threshold (1024 MB) of this cluster!

Required executor memory (1024+384 MB) is above the max threshold (1024 MB) of this cluster! 问题: 运行spark-shell时报错: [root@master88 ~]# spark-shell Setting default log l...

DataNode 运行状况

群集中有 753 个 副本不足的块 块。群集中共有 756 个块。百分比 副本不足的块: 9 问题: centos7安装cdh,集群状态: 群集中有 753 个 副本不足的块 块。群集中共有 756 个块。百分比 副本不...

Command aborted because of exception: Command timed-out after 90 seconds

Command aborted because of exception: Command timed-out after 90 seconds 问题: centos7 安装cdh,群集设置时出现以下错误: + '[' finalize-upgrade = mkdir ']' '[' rolling-upgrade...

Centos7 cdh5.14 安装

Centos7 cdh5.14 安装 192.168.1.70 192.168.1.71 192.168.1.72 关闭SELINUX vim /etc/selinux/config 将SELINUX=enforcing改成SELINUX=disabled 关闭防火墙 关闭防火墙(服务器重启后,防火...

03/14 10:24
8
Unexpected error. Unable to verify database connection.

Unexpected error. Unable to verify database connection. 问题: Centos7 上安装cdh群集设置时出现以下错误: 查看log信息中发现: ImportError: libxslt.so.1: cannot open shared object...

Cloudera 建议将 /proc/sys/vm/swappiness 设置为最大值 10

Cloudera 建议将 /proc/sys/vm/swappiness 设置为最大值 10。当前设置为 30。使用 sysctl 命令在运行时更改该设置并编辑 /etc/sysctl.conf,以在重启后保存该设置。您可以继续进行安装,但 ...

03/14 09:53
305
主机运行状况不良。

Centos7 安装sdh集群,显示如下错误: 解决方法: 删除有问题节点下的lib/cloudera-scm-agent/下的cm_guid文件,然后重启 cd /opt/cloudera-manager/cm-5.14.1/lib/cloudera-scm-agent/ rm ...

Environment Advanced Configuration Snippet (Safety Valve)

问题1: Centos7 安装CDH,启动hue时报错: ++ CDH_KMS_HOME=/opt/cloudera/parcels/CDH-5.14.4-1.cdh5.14.4.p0.3/lib/hadoop-kms ++ export CDH_PARQUET_HOME=/opt/cloudera/parcels/CDH-5....

No portmap or rpcbind service is running on this host

echo 'No portmap or rpcbind service is running on this host. Please start portmap or rpcbind service before attempting to start the NFS Gateway role on this host.' 问题: Centos...

03/13 11:31
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Error: JAVA_HOME is not set and could not be found.

Error: JAVA_HOME is not set and could not be found. 问题: Centos7 安装CDH时报错:Error: JAVA_HOME is not set and could not be found. + local name=log4j.properties '[' '!' -f /o...

Flume将MySQL表数据存入到HBase

Flume将MySQL表数据存入到HBase HBasesink的三种序列化模式 SimpleHbaseEventSerializer RegexHbaseEventSerializer SimpleAsyncHbaseEventSerializer 使用SimpleHbaseEventSerializer序列化...

HBase major version number must be less than 2 for hbase-sink

org.apache.flume.conf.ConfigurationException: HBase major version number must be less than 2 for hbase-sink 环境: apache-flume-1.9.0-bin hbase-2.1.2 hadoop-3.1.2 apache-hive-3....

Flume将MySQL表数据存入到HDFS

Flume将MySQL表数据存入到HDFS 一、创建MySQL表 -- ---------------------------- -- Table structure for t_name DROP TABLE IF EXISTS t_name; CREATE TABLE t_name ( ......

Cannot list resources Permission denied: user=Administrator, access=READ_EXECUTE, inode="/tmp"

Cannot list resources Permission denied: user=ÁõÎĺÁ, access=READ_EXECUTE, inode="/tmp":root:supergroup:drwx-wx-wx windows系统 Spring boot 整合hadoop时报错。 java.lang.Ille...

FAILED: HiveException org.apache.hadoop.hive.ql.metadata.HiveException

##在hive中运行show databases; 报错:FAILED: HiveException org.apache.hadoop.hive.ql.metadata.HiveException hive> show databases; FAILED: HiveException org.apache.hadoop.hive.q...

expansion character (code 0x8 at [row,col,system-id]: [3210,96,"file:/conf/hive-site.xml"]

启动hive的时候报expansion character (code 0x8 at [row,col,system-id]: [3210,96,"file:/home/hadoop/apache-hive-3.1.1-bin/conf/hive-site.xml"] Exception in thread "main" java.lang...

regionserver.HRegionServer: Failed construction RegionServer

ERROR [main] regionserver.HRegionServer: Failed construction RegionServer java.lang.NoClassDefFoundError: org/apache/htrace/SamplerBuilder 2019-02-13 00:50:09,222 ERROR [main] r...

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