问题描述: ERROR: [1] bootstrap checks failed[1]: memory locking requested for elasticsearch process but memory is not locked 解决方法: $ vi /etc/security/limits.conf * soft memlock unlimited * hard memlock unlimited * soft nofile 65536 * hard nofile 65536 $…

官网说明: elasticsearch官网建议生产环境需要设置bootstrap.memory_lock: true 官网的解释 是:发生系统swapping的时候ES节点的性能会非常差,也会影响节点的稳定性.所以要不惜一切代价来避免swapping.swapping会导致Java GC的周期延迟从毫秒级恶化到分钟,更严重的是会引起节点响应延迟甚至脱离集群. 所以最好限制住elasticsearch占用的内存情况,可选少用swap 错误内容: 开启bootstrap.memory_lock: t…

安装elasticsearch报错如下: [2019-01-14T03:57:16,453][ERROR][o.e.b.Bootstrap ] [ip-172-31-30-62.ec2.internal] node validation exception [1] bootstrap checks failed [1]: memory locking requested for elasticsearch process but memory is not locked 所以就去网上查找资料,发…

[2018-10-18T05:28:57,713][ERROR][o.e.b.Bootstrap ] [node-45] node validation exception[1] bootstrap checks failed[1]: memory locking requested for elasticsearch process but memory is not locked vim /etc/elasticsearch/elasticsearch.yml bootstrap.memor…

echo "es hard memlock unlimited">>/etc/security/limits.confecho "es soft memlock unlimited">>/etc/security/limits.conf…

https://blog.csdn.net/cookzrk/article/details/80179006 转载:https://my.oschina.net/u/2510243/blog/810520 max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]max number of threads [1024] for user [hadoop] is too…

Shell script for logging cpu and memory usage of a Linux process http://www.unix.com/shell-programming-and-scripting/223177-shell-script-logging-cpu-memory-usage-linux-process.html…

http://www.oracle.com/technetwork/java/javase/memleaks-137499.html 3.1 Meaning of OutOfMemoryError One common indication of a memory leak is the java.lang.OutOfMemoryError error. This error is thrown when there is insufficient space to allocate an ob…

WebHost failed to process a request. Sender Information: System.ServiceModel.ServiceHostingEnvironment+HostingManager/49648990 Exception: System.ServiceModel.ServiceActivationException: The service '/WCF/SynCacheService.svc' cannot be activated due t…

问题描述,elasticsearch启动时报max file descriptors错误: [hadoop@node-33 elasticsearch-5.4.0]$ bin/elasticsearch [2017-11-10T14:14:46,268][INFO ][o.e.n.Node ] [node-3] initializing ... [2017-11-10T14:14:46,344][INFO ][o.e.e.NodeEnvironment ] [node-3] using [1]…