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【kafka_2.12_2.2.1】SSL

一、生成keystore #1. 生成CA key/cert 并自签 openssl req -new -x509 -keyout ca-key -out ca-cert -days 3650 -subj "/C=CN/ST=JS/L=ZZ/O=HARRY/OU=HARRY/CN=HARRY" -passout pass:capas...

2019/12/18 16:52
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【JAAS】

https://tool.oschina.net/uploads/apidocs/jdk-zh/javax/security/auth/spi/LoginModule.html https://leanpub.com/jaas......

2019/12/18 10:23
146
【Maven】 lifecycle/phase/goal

http://maven.apache.org/guides/getting-started/index.html lifecycle/phase/goal Lifecycle 三个内置的lifecycle: clean/default/site clean: 处理项目清理工作 default: 处理项目部署工作...

2019/11/22 17:55
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【Docker】001. sed: Device or resource busy

很多编辑工具,包括vi / sed --in-place可能会造成文件的inode改变。从Docker1.1.0开始,这个会产生错误"sed: cannot rename : Device or resource busy". 在这种情况下,如果想编辑文件,最...

2019/11/04 22:25
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openldap-2.4.44 安装 【OLC】

https://www.tutorialspoint.com/linux_admin/install_and_configure_open_ldap.htm # 安装openldap-clients/openldap-servers [root@openldap ldap]# yum install openldap-clients openld...

2019/10/16 11:40
409
【ansible-2.8】项目目录布局

一、Ansible项目目录布局 [root@a72f6ee755a7 ansible]# pwd /etc/ansible/ [root@a72f6ee755a7 ansible]# tree -L 3 . |-- inventories | |-- dev | | `-- hosts-dev | `-- prod | `--......

2019/09/23 18:02
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【es-x】 本地debug环境搭建

兼容5.x, 6.x,7.x 一、下载es-{version}.zip对应的安装包 elasticsearch-6.8.2.zip 二、创建简单的maven项目

2019/09/21 12:29
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openldap-2.4.44 安装

一、安装base-repo ## 根据自己的OS版本安装对应的base repo rpm -Uvh http://mirror.centos.org/centos/7/os/x86_64/Packages/centos-release-7-6.1810.2.el7.centos.x86_64.rpm ls -l /et...

2019/08/13 12:48
355
【OpenLDAP-SSH】nss-pam-ldap

nss-pam-ldap 一、Centos7.repo/epel.repo 安装 rpm -Uvh http://mirror.centos.org/centos/7/os/x86_64/Packages/centos-release-7-6.1810.2.el7.centos.x86_64.rpm yum install epel-relea...

2019/08/07 09:35
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[es-6.5.4] Global Ordinals/High Cardinality

https://blog.csdn.net/zwgdft/article/details/83215977

2019/06/26 17:10
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[es-6.5.4] QueryCache/RequestCache

https://opensourceconnections.com/blog/2017/07/10/caching_in_elasticsearch/ 零、数据准备 https://www.elastic.co/guide/en/kibana/7.1/tutorial-load-dataset.html QueryCache,最小缓...

2019/06/17 15:10
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[HttpClient-V4.5] ConnectRequestTime/ConnectTime/SocketTime

public static void m3() throws IOException { ConnectionConfig connectionConfig = ConnectionConfig.custom().build(); SocketConfig socketConfig = SocketConfig.custom().build(); .....

2019/06/17 10:49
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[ES-6.5.4] Mapping-Norms

https://www.elastic.co/guide/en/elasticsearch/reference/6.5/norms.html https://www.cnblogs.com/o-andy-o/p/3877562.html Field text_entryField = new TextField("text_entry", text_e...

2019/06/17 09:33
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[Maven-Helper]

Maven Helper 安装使用-分析依赖冲突插件

2019/06/06 16:16
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CentOS7 磁盘分区

一、磁盘分区 [root@hadoop001 ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 80G 3.9G 77G 5% / devtmpfs 7.8G 0 7.8G 0% /dev tmpfs 7.8G......

2019/05/06 10:22
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[ES-5.6.12] x-pack ssl

一、ES-5.6.12 安装 https://www.elastic.co/guide/en/elasticsearch/reference/5.6/setup.html /etc/elasticsearch/elasticsearch.yml cluster.name: harry_es node.name: harry001 node.ma...

2019/02/20 13:23
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[HIVE] 源码解析SQL->MR [GroupBy]

一、数据准备 join_d1.c1<int> join_d1.c2<string> join_d1.c3<double> join_d1.c4<string> 1 a 1.1 a 2 b 1.2 b 3 c 1.3 c 4 d 1.4 d 2 e 1.5 e 3 f 1.6 f 二、查看执行计划 Case1: select ...

2018/11/21 12:17
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[HIVE] UDF解析及自定义UDF

一、UDF 内置的UDF,一般分为两类,extends UDF 、 extends GenericUDF. GenericUDF Vs UDF 可以接受复杂的参数类型,返回复杂类型 可以接受变长参数个数(参数数组) 二、 UDF相对简单,这样只...

2018/11/21 11:48
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[HIVE] 源码解析SQL->MR [Simple-Select]

一、数据准备 join_d1.c1<int> join_d1.c2<string> join_d1.c3<double> join_d1.c4<string> 1 a 1.1 a 2 b 1.2 b 3 c 1.3 c 4 d 1.4 d 2 e 1.5 e 3 f 1.6 f 二、查看执行计划 hive> explain ...

2018/11/21 11:46
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[HIVE] 源码解析SQL->MR [Simple-Select-UDF]

一、数据准备 join_d1.c1<int> join_d1.c2<string> join_d1.c3<double> join_d1.c4<string> 1 a 1.1 a 2 b 1.2 b 3 c 1.3 c 4 d 1.4 d 2 e 1.5 e 3 f 1.6 f 二、查看执行计划 与 [HIVE] 源码...

2018/11/21 10:28
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