kylin的安装
在[官网](https://kylin.apache.org/download/)下载或在国内其他源内下载
我下载的版本[apache-kylin-3.1.3-bin-hbase1x](https://dlcdn.apache.org/kylin/apache-kylin-3.1.3/apache-kylin-3.1.3-bin-hbase1x.tar.gz)
# 安装
上传到服务器，工具不限
解压：
`tar -xvf apache-kylin-3.1.3-bin-hbase1x.tar.gz`
改名：
`mv apache-kylin-3.1.3-bin-hbase1x.tar.gz kylin`
移动到安装目录：
`mv kylin /opt`
配置：
不搭集群不用配置也能用
# 以下=====区间的内容可忽略，待整理，报错看最后
# ==================================
# 配置
修改HIVE的配置文件
修改hive根目录下的conf下的`hive-site.xml`
在<configuration></configuration>内添加：
```xml
<!--指定hive.metastore.uris的port.为了启动metastore服务的时候不用指定端口-->
<! --hive ==service metastore -p 9083 & L hive ==service metastore-->
<property>
<name>hive.metastore.uris</name>
<value>thrift://node01:9083</value>
</property>
```
修改HBase配置文件
修改HBASE的根目录下的conf下的`hbase-site.xml`
在<configuration></configuration>内添加或修改：
```xml
<!-- zookeeper集群的URL配置多个host中间用逗号-->
<property>
<name>hbase.zookeeper.quorum</name>
<value>node01,node02,node03</value>
</property>
```
HBase修改$HBASE_HOME$/bin/hbase 的 classpat
在hbase/bin下的hbase内，将：
```
# CLASSPATH initially contains $HBASE_CONF_DIR
CLASSPATH="${HBASE_CONF_DIR}"
CLASSPATH=${CLASSPATH}:$JAVA_HOME/lib/tools.jar
```
修改为：
```
# CLASSPATH initially contains $HBASE_CONF_DIR
CLASSPATH="${HBASE_CONF_DIR}"
CLASSPATH=${CLASSPATH}:$JAVA_HOME/lib/tools.jar:$HBASE_HOME/lib/*
```
配置环境变量：
在`vi /etc/profile`内添加：
```
# kylin 安装地址
# 路径换成自己的安装路径
export KYLIN_HOME=/opt/kylin
export PATH=$KYLIN_HOME/bin:$PATH
export HCAT_HOME=$HIVE_HOME/hcatalog
export PATH=$HCAT_HOME/bin:$PATH
export HADOOP_CONF_DIR=$HADOOP_HOME/etc/hadoop
export HIVE_CONF_HOME=$HIVE_HOME/conf
```
更新配置
`source /etc/profile`
注：`Kylin 会自动从环境中读取 Hadoop 配置（ core-site.xml ）， Hive 配置（ hivesite.xml ）和 HBase 配置（ hbase-site.xml ）`
# 修改配置文件
修改 `kylin.properties` 配置文件。此步骤在单节点时这一步可以忽略掉。
路径：kylin/conf/kylin.properties
```language
#配置节点类型（kylin节点模式分为all、query(查询模式)、job（任务构建模式））{约47行}
kylin.server.mode=all
#kylin集群节点配置{约50行}
kylin.server.cluster-servers=node01:7070,node02:7070,node03:7070
```
# 拷贝kylin到其他节点
```language
scp -r /opt/kylin hadoop-02:/opt
scp -r /opt/kylin hadoop-03:/opt
```
# 修改其他节点的配置
路径：kylin/conf/kylin.properties
```language
#配置节点类型 query(查询模式){约47行}
kylin.server.mode=query
```
# 删除所有数据
`kylin.sh org.apache.kylin.tool.StorageCleanupJob --force true --delete true`
# =================================
# 报错
启动时报：hbase-common lib not found
解决办法：将HBase根目录下的lib里面的hbase-common-*.*.*.jar添加到环境变量
export HBASE_CLASSPATH=$HBASE_HOME/lib/hbase-common-2.4.13.jar
正常启动后，web页面HTTP Status 404 – 未找到，查看kylin/logs/kylin.log日志，发现如下错误：
```shell
ERROR [localhost-startStop-1] context.ContextLoader:350 : Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter': Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter]: Constructor threw exception; nested exception is java.lang.ClassCastException: com.fasterxml.jackson.datatype.jsr310.JavaTimeModule cannot be cast to com.fasterxml.jackson.databind.Module
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1160)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1104)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:511)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:481)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:312)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:308)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543)
at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:443)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:325)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4699)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5165)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:743)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:719)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:970)
at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1841)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
```
进入kylin/bin
修改：find-spark-dependency.sh
添加`! -name '*jackson*' !`
修改：find-hive-dependency.sh
添加`! -name '*jackson*' !`
删除之前的缓存
还是在kylin/bin目录下：`rm cached-*`
重启kylin即可
遇到：
```log
org.apache.kylin.engine.mr.exception.MapReduceException: no counters for job job_1663636064241_0146Job Diagnostics:
Failure task Diagnostics:
Error: Java heap space
```
在linux执行如下代码，似乎没有作用
```bash
set io.sort.mb=10;
```
可以再尝试 `kylin.properties` 内添加：
```shell
# kylin.properties
kylin.engine.mr.config-override.mapreduce.map.java.opts=-Xmx8g
kylin.engine.mr.config-override.mapreduce.map.memory.mb=10240
```
如果报：
```log
killed by admin
```