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原创 Phoenix 升級报Cluster is being concurrently upgraded from 4.9.x to 4.13.x 错误
在 hbase shell 中执行如下脚本create 'SYSTEM.MUTEX', {NAME => '0', DATA_BLOCK_ENCODING => 'NONE', BLOOMFILTER => 'ROW', REPLICATION_SCOPE => '0', VERSIONS => '1', COMPRESSION => 'NONE', ...
2018-04-04 14:09:57
936
原创 unable to find SASL plugin: PLAIN kudu
错误: negotiation.cc:290] Failed RPC negotiation. Trace: 0713 17:40:48.131039 (+ 0us) reactor.cc:373] Submitting negotiation task for client connection to 10.10.10.121:7051 0713 17:40:48.131326 (+ 287us)
2017-07-14 15:44:20
3463
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原创 hadoop 与 ssh 免密码设置
1、设置ssh免密码登陆ssh-keygen -t rsacp ~/.ssh/id_rsa.pub ~/.ssh/authorized_keys两两节点之间的SSH免密码登陆用ssh-copy-id 将本机的公钥复制到远程机器的authorized_keys文件中ssh-copy-id -i ~/.ssh/id_rsa.pub remote-host修改一下.s
2016-09-11 11:39:11
624
原创 hue 安装笔记
CDH hadoop + Hue 本文主要记录hue的yum源下的安装与配置,Hue 集成 Hdfs、Hive、Impala、Yarn、Kerberos、LDAP、Sentry、Solr 等 集群情况:192.168.211.178(HA-active) 192.168.211.179(datanode) 192.168.211.180(HA
2015-09-07 14:30:09
3979
原创 CDH5.4 hadoop 修改日志默认路径
Hadoop的脚本启动流程详见下面的参考文章: http://blog.youkuaiyun.com/mrtitan/article/details/9115621 涉及到Hadoop 日志存储位置的共有三个地方的配置文件,分别是 /etc/Hadoop/conf/hadoop-env.sh 、/usr/lib/hadoop/libexec/hadoop-config.sh 、/etc/d
2015-08-25 14:28:56
8790
原创 Haproxy+keepalived TCP 层的负载均衡
一、安装环境准备:l [root@slave3 ~]# yum install ipvsadm kernel-developenssl-devel popt-devel libnl-devel gcc make –yl Makebinding to non-local Virtual IPs on all nodesvi /etc/sysctl.conf 在各haproxy的机器
2015-08-19 16:41:40
741
原创 maven 设置main class笔记
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0
2015-05-18 17:35:15
3683
原创 JVM GC垃圾回收机制笔记
注:很多内容参考其他博客,仅作学习笔记用测试代码:public class RunableTest implements Runnable{ public void run(){ while(true){ // System.out.println("aaaaaaaaaaaaaaaaaaaaaaaaa"); try{ byte[] by
2015-05-18 16:18:03
460
原创 Linux 配置笔记
tar -zvxf eclipse-jee-ganymede-linux-gtk.tar.gz 在/usr/module/eclipse下执行./eclipse,将运行eclipse出错,提示:”no java virtual machine was found after searching the following locations:"解决方案:原因是没找到jre,
2015-05-14 16:15:59
402
原创 Git 使用 笔记
1.首先在本地创建ssh key;ssh-keygen -t rsa -C "your_email@youremail.com"2.接下来我们要做的就是把本地仓库传到github上去,在此之前还需要设置username和email,因为github每次commit都会记录他们。git config --global user.name "liutizhong"git c
2015-05-13 23:36:17
616
原创 Linux笔记 远程桌面
图形界面安装:yum groupinstall "Desktop"yum install xrdpyum install tigervnc-serverservice xrdp start安装中文语言包yum groupinstall chinese-support
2015-05-13 15:43:04
414
转载 fdisk -l显示信息详解
[root@iZ945eikywjZ ~]# fdisk -lDisk /dev/xvda: 21.5 GB, 21474836480 bytes255 heads, 63 sectors/track, 2610 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytesSector size (l
2015-05-12 13:23:46
635
中文检索系统
2013-05-18
算法导论(第二版) 英文版 Introduction to Algorithms 2nd Edition
2011-12-04
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