ELK學習3 啓動es常見錯誤或問題

1:警告提示java

[2016-11-06T16:27:21,712][WARN ][o.e.b.JNANatives ] unable to install syscall filter:linux

java.lang.UnsupportedOperationException: seccomp unavailable: requires kernel 3.5+ with CONFIG_SECCOMPandCONFIG_SECCOMP_FILTERcompiledinatorg.elasticsearch.bootstrap.Seccomp.linuxImpl(Seccomp.java:349) ~[elasticsearch-5.0.0.jar:5.0.0]bootstrap

at org.elasticsearch.bootstrap.Seccomp.init(Seccomp.java:630) ~[elasticsearch-5.0.0.jar:5.0.0]elasticsearch

報了一大串錯誤,其實只是一個警告。ui

解決:使用心得linux版本,就不會出現此類問題了。ip

2:ERROR: bootstrap checks failed路由

max file descriptors [4096] for elasticsearch process likely too low, increase to at least [65536]it

max number of threads [1024] for user [lishang] likely too low, increase to at least [2048]io

解決:切換到root用戶,編輯limits.conf 添加相似以下內容ast

vi /etc/security/limits.conf

添加以下內容:

* soft nofile 65536

* hard nofile 131072

* soft nproc 2048

* hard nproc 4096

要從新登陸

3:max number of threads [1024] for user [lish] likely too low, increase to at least [2048]

解決:切換到root用戶,進入limits.d目錄下修改配置文件。

vi /etc/security/limits.d/90-nproc.conf

修改以下內容:

* soft nproc 1024

#修改成

* soft nproc 2048

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

解決:切換到root用戶修改配置sysctl.conf

vi /etc/sysctl.conf

添加下面配置:

vm.max_map_count=655360

並執行命令:

sysctl -p

而後,從新啓動elasticsearch,便可啓動成功。

5:找不到主機或路由

通常狀況下是你的

discovery.zen.ping.unicast.hosts:["192.168.**.**:9300","192.168.**.**:9300"] 這裏寫錯了

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