elasticsearch bootstrap.memory_lock

本文介绍如何通过检查bootstrap.memory_lock设置验证Elasticsearch进程内存是否成功锁定,并提供了相应的HTTP请求示例及响应结果。

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检查bootstrap.memory_lock设置是否生效

get http://10.127.0.1:9200/_nodes?filter_path=**.mlockall
响应:
{
    "nodes": {
        "9giihmDNRdS136KT52Gl5g": {
            "process": {
                "mlockall": true
            }
        },
        "X0zQESeeT8uJ9kVXvHpl-w": {
            "process": {
                "mlockall": true
            }
        },
        "w4hYw86rQhqL1ayGyUK1Kw": {
            "process": {
                "mlockall": true
            }
        }
    }
}

如果您看到mlockall为false,则表示mlockall请求失败。您还将在日志中看到一行"Unable to lock JVM Memory"。
在Linux / Unix系统上最可能的原因是运行Elasticsearch的用户没有锁定内存的权限。解决方法如下:
https://www.elastic.co/guide/en/elasticsearch/reference/current/setup-configuration-memory.html#mlockall

转载于:https://www.cnblogs.com/gavinYang/p/11200027.html

uncaught exception in thread [main] java.lang.IllegalArgumentException: unknown setting [X-Packhttp.cors.enabled] did you mean [http.cors.enabled]? at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:561) at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:507) at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:477) at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:447) at org.elasticsearch.common.settings.SettingsModule.<init>(SettingsModule.java:137) at org.elasticsearch.node.Node.<init>(Node.java:502) at org.elasticsearch.node.Node.<init>(Node.java:309) at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:234) at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:234) at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:434) at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:166) at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:157) at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:77) at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:112) at org.elasticsearch.cli.Command.main(Command.java:77) at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:122) at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:80) For complete error details, refer to the log at /root/elasticsearch-7.17.0/logs/my-application.log
06-11
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