centos6安裝elasticsearch6.0

環境準備

1臺centos6操做系統主機，關閉selinux及iptables
官方下載elasticsearch6.0軟件包： https://artifacts.elastic.co/...
官方下載java1.8軟件包： http://www.oracle.com/technet...

系統配置

建立elasticsearch帳戶用於啓動elasticsearch服務

[root@elasticsearch ~]# useradd elasticsearch 

修改系統ulimit並重啓

1.  
   [root@elasticsearch ~] # cat /etc/security/limits.d/90-nproc.conf
2.  
    
3.  
   # Default limit for number of user's processes to prevent
4.  
   # accidental fork bombs.
5.  
   # See rhbz #432903 for reasoning.
6.  
    
7.  
   * soft nproc 1024
8.  
   root soft nproc unlimited
9.  
   elasticsearch soft nofile 655360
10.  
    elasticsearch hard nofile 655360
11.  
    elasticsearch soft nproc 655360
12.  
    elasticsearch hard nproc 655360

修改內核參數配置

1.  
   [root@elasticsearch ~] # echo 'vm.max_map_count = 655360' >> /etc/sysctl.conf
2.  
   [root@elasticsearch ~] # sysctl -p
3.  
   net.ipv4.ip_forward = 0
4.  
   net.ipv4.conf. default.rp_filter = 1
5.  
   net.ipv4.conf. default.accept_source_route = 0
6.  
   kernel.sysrq = 0
7.  
   kernel.core_uses_pid = 1
8.  
   net.ipv4.tcp_syncookies = 1
9.  
   error: "net.bridge.bridge-nf-call-ip6tables" is an unknown key
10.  
    error: "net.bridge.bridge-nf-call-iptables" is an unknown key
11.  
    error: "net.bridge.bridge-nf-call-arptables" is an unknown key
12.  
    kernel.msgmnb = 65536
13.  
    kernel.msgmax = 65536
14.  
    kernel.shmmax = 68719476736
15.  
    kernel.shmall = 4294967296
16.  
    vm.max_map_count = 655360
17.  
    [root@elasticsearch ~] #

安裝java並配置環境變量，jdk版本以實際下載的版本爲準

1.  
   [elasticsearch @elasticsearch software]$ ls
2.  
   elasticsearch- 6.0.0.tar.gz jdk-8u121-linux-x64.tar.gz x-pack-6.0.0.zip
3.  
   [elasticsearch @elasticsearch software]$ pwd
4.  
   /home/elasticsearch/software
5.  
   [elasticsearch @elasticsearch software]$ tar -xf jdk-8u121-linux-x64.tar.gz
6.  
   [elasticsearch @elasticsearch software]$ ls
7.  
   elasticsearch- 6.0.0.tar.gz jdk1.8.0_121 jdk-8u121-linux-x64.tar.gz x-pack-6.0.0.zip
8.  
   [elasticsearch @elasticsearch software]$ cat ~/.bashrc
9.  
    
10.  
    # .bashrc
11.  
     
12.  
    # Source global definitions
13.  
    if [ -f /etc/bashrc ]; then
14.  
    . /etc/bashrc
15.  
    fi
16.  
     
17.  
    # User specific aliases and functions
18.  
     
19.  
    JAVA_HOME= '/home/elasticsearch/software/jdk1.8.0_121'
20.  
    JRE_HOME= "$JAVA_HOME/jre"
21.  
    CLASSPATH= ".:$JAVA_HOME/lib/:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/tools.jar"
22.  
    PATH= "$JAVA_HOME/bin:$JRE_HOME/bin:$PATH"
23.  
    export JAVA_HOME JRE_HOME PATH CLASSPATH
24.  
     
25.  
    [elasticsearch @elasticsearch software]$ source ~/.bashrc
26.  
    [elasticsearch @elasticsearch software]$ java -version
27.  
    java version "1.8.0_121"
28.  
    Java(TM) SE Runtime Environment (build 1.8.0_121-b13)
29.  
    Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode)
30.  
    [elasticsearch @elasticsearch software]$

安裝elasticsearch

安裝相關軟件包

1.  
   [elasticsearch @elasticsearch software]$ tar -xf elasticsearch-6.0.0.tar.gz
2.  
   [elasticsearch @elasticsearch software]$ ls
3.  
   elasticsearch-6.0.0 elasticsearch-6.0.0.tar.gz jdk1.8.0_121 jdk-8u121-linux-x64.tar.gz x-pack-6.0.0.zip
4.  
   [elasticsearch@elasticsearch software]$ cd elasticsearch-6.0.0
5.  
   [elasticsearch @elasticsearch elasticsearch-6.0.0]$ ls
6.  
   bin config lib LICENSE.txt modules NOTICE.txt plugins README.textile
7.  
   [elasticsearch@elasticsearch elasticsearch-6.0.0]$ echo 'network.host: 0.0.0.0' >> config/elasticsearch.yml
8.  
   [elasticsearch @elasticsearch elasticsearch-6.0.0]$ echo 'bootstrap.system_call_filter: false' >> config/elasticsearch.yml
9.  
   [elasticsearch @elasticsearch elasticsearch-6.0.0]$ tail config/elasticsearch.yml
10.  
    # For more information, consult the gateway module documentation.
11.  
    #
12.  
    # ---------------------------------- Various -----------------------------------
13.  
    #
14.  
    # Require explicit names when deleting indices:
15.  
    #
16.  
    #action.destructive_requires_name: true
17.  
    network. host: 0.0.0.0
18.  
    bootstrap. system_call_filter: false
19.  
    [elasticsearch @elasticsearch elasticsearch-6.0.0]$

啓動服務

1.  
   [elasticsearch@elasticsearch elasticsearch- 6.0.0]$ ./bin/elasticsearch -d
2.  
   [elasticsearch@elasticsearch elasticsearch- 6.0.0]$ ps -ef | grep elastic
3.  
   503 1583 1 99 18:41 pts/0 00:00:13 /home/elasticsearch/software/jdk1.8.0_121/bin/java -Xms1g -Xmx1g -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -XX:+AlwaysPreTouch -server -Xss1m -Djava.awt.headless=true -Dfile.encoding=UTF-8 -Djna.nosys=true -XX:-OmitStackTraceInFastThrow -Dio.netty.noUnsafe=true -Dio.netty.noKeySetOptimization=true -Dio.netty.recycler.maxCapacityPerThread=0 -Dlog4j.shutdownHookEnabled=false -Dlog4j2.disable.jmx=true -XX:+HeapDumpOnOutOfMemoryError -Des.path.home=/home/elasticsearch/software/elasticsearch-6.0.0 -Des.path.conf=/home/elasticsearch/software/elasticsearch-6.0.0/config -cp /home/elasticsearch/software/elasticsearch-6.0.0/lib/* org.elasticsearch.bootstrap.Elasticsearch -d
4.  
   503 1626 1532 0 18:41 pts/0 00:00:00 grep elastic
5.  
   [elasticsearch@elasticsearch elasticsearch-6.0.0]$
6.  
    

查看集羣狀態信息

1.  
   [ elasticsearch@elasticsearch elasticsearch-6.0.0]$ curl 'http://localhost:9200/_cat/health?v'
2.  
   epoch timestamp cluster status node.total node.data shards pri relo init unassign pending_tasks max_task_wait_time active_shards_percent
3.  
   1515581011 18:43:31 elasticsearch green 1 1 0 0 0 0 0 0 - 100.0%

常見報錯

disable system call filters at your own risk

[2018-01-10T18:06:35,482][WARN ][o.e.b.BootstrapChecks    ] [fzP4t-4] system call filters failed to install; check the logs and fix your configuration or disable system call filters at your own risk 

添加 bootstrap.system_call_filter: false 至ES_HOME/config/elasticsearch.yml便可

max file descriptors [65535]

max file descriptors [65535] for elasticsearch process is too low, increase to at least [65536] 

修改系統ulimit並重啓便可，詳細配置以下

1.  
   [root@elasticsearch ~] # cat /etc/security/limits.d/90-nproc.conf
2.  
    
3.  
   # Default limit for number of user's processes to prevent
4.  
   # accidental fork bombs.
5.  
   # See rhbz #432903 for reasoning.
6.  
    
7.  
   * soft nproc 1024
8.  
   root soft nproc unlimited
9.  
   elasticsearch soft nofile 655360
10.  
    elasticsearch hard nofile 655360
11.  
    elasticsearch soft nproc 655360
12.  
    elasticsearch hard nproc 655360
13.  
     
14.  
    [root@elasticsearch ~] # reboot

vm.max_map_count [65530] is too low

max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144] 

修改內核參數配置

1.  
   [root@elasticsearch ~] # echo 'vm.max_map_count = 655360' >> /etc/sysctl.conf
2.  
   [root@elasticsearch ~] # sysctl -p
3.  
   net.ipv4.ip_forward = 0
4.  
   net.ipv4.conf. default.rp_filter = 1
5.  
   net.ipv4.conf. default.accept_source_route = 0
6.  
   kernel.sysrq = 0
7.  
   kernel.core_uses_pid = 1
8.  
   net.ipv4.tcp_syncookies = 1
9.  
   error: "net.bridge.bridge-nf-call-ip6tables" is an unknown key
10.  
    error: "net.bridge.bridge-nf-call-iptables" is an unknown key
11.  
    error: "net.bridge.bridge-nf-call-arptables" is an unknown key
12.  
    kernel.msgmnb = 65536
13.  
    kernel.msgmax = 65536
14.  
    kernel.shmmax = 68719476736
15.  
    kernel.shmall = 4294967296
16.  
    vm.max_map_count = 655360
17.  
    [root@elasticsearch ~] #

參考文檔

elasticsearch官方文檔：https://www.elastic.co/guide/...