Attempted to send a bulk request to Elasticsearch configured at '["http://192.168.32.152:9200"]', but an error occurred and it failed! Are you sure you can reach elasticsearch from this machine 

using the configuration provided? {:error_message=>"[503] {\"error\":{\"root_cause\":[{\"type\":\"cluster_block_exception\",\"reason\":\"blocked by: [SERVICE_UNAVAILABLE/2/no master];\"}],\"type

\":\"cluster_block_exception\",\"reason\":\"blocked by: [SERVICE_UNAVAILABLE/2/no master];\"},\"status\":503}", :error_class=>"Elasticsearch::Transport::Transport::Errors::ServiceUnavailable", 

:backtrace=>["/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/transport/base.rb:201:in `__raise_transport_error'", 

"/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/transport/base.rb:312:in `perform_request'", "/usr/local/logstash-

2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/transport/http/manticore.rb:67:in `perform_request'", "/usr/local/logstash-

2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/client.rb:128:in `perform_request'", "/usr/local/logstash-

2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-api-1.0.18/lib/elasticsearch/api/actions/bulk.rb:90:in `bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-

elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/http_client.rb:53:in `non_threadsafe_bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1

-java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'", "org/jruby/ext/thread/Mutex.java:149:in `synchronize'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-

output-elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1-

java/lib/logstash/outputs/elasticsearch/common.rb:172:in `safe_bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1-

java/lib/logstash/outputs/elasticsearch/common.rb:101:in `submit'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1-

java/lib/logstash/outputs/elasticsearch/common.rb:86:in `retrying_submit'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1-

java/lib/logstash/outputs/elasticsearch/common.rb:29:in `multi_receive'", "org/jruby/RubyArray.java:1653:in `each_slice'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-

elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/common.rb:28:in `multi_receive'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-

java/lib/logstash/output_delegator.rb:130:in `worker_multi_receive'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/output_delegator.rb:114:in 

`multi_receive'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:301:in `output_batch'", "org/jruby/RubyHash.java:1342:in `each'", 

"/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:301:in `output_batch'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-

core-2.3.4-java/lib/logstash/pipeline.rb:232:in `worker_loop'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:201:in `start_workers'"], 

:level=>:error}
[503] {"error":{"root_cause":[{"type":"cluster_block_exception","reason":"blocked by: [SERVICE_UNAVAILABLE/2/no master];"}],"type":"cluster_block_exception","reason":"blocked by: [SERVICE_UNAVAILABLE/2/no master];"},"status":503} {:class=>"Elasticsearch::Transport::Transport::Errors::ServiceUnavailable", :backtrace=>["/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/transport/base.rb:201:in `__raise_transport_error'", "/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/transport/base.rb:312:in `perform_request'", "/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/transport/http/manticore.rb:67:in `perform_request'", "/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/client.rb:128:in `perform_request'", "/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-api-1.0.18/lib/elasticsearch/api/actions/bulk.rb:90:in `bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output- elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/http_client.rb:53:in `non_threadsafe_bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1 -java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'", "org/jruby/ext/thread/Mutex.java:149:in `synchronize'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash- output-elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1- java/lib/logstash/outputs/elasticsearch/common.rb:172:in `safe_bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1- java/lib/logstash/outputs/elasticsearch/common.rb:101:in `submit'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1- java/lib/logstash/outputs/elasticsearch/common.rb:86:in `retrying_submit'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1- java/lib/logstash/outputs/elasticsearch/common.rb:29:in `multi_receive'", "org/jruby/RubyArray.java:1653:in `each_slice'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output- elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/common.rb:28:in `multi_receive'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4- java/lib/logstash/output_delegator.rb:130:in `worker_multi_receive'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/output_delegator.rb:114:in `multi_receive'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:301:in `output_batch'", "org/jruby/RubyHash.java:1342:in `each'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:301:in `output_batch'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash- core-2.3.4-java/lib/logstash/pipeline.rb:232:in `worker_loop'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:201:in `start_workers'"], :level=>:warn} }
Attempted to send a bulk request to Elasticsearch configured at '["http://192.168.32.152:9200"]', but an error occurred and it failed! Are you sure you can reach elasticsearch from this machine using the configuration provided? {:error_message=>"[503] {\"error\":{\"root_cause\":[{\"type\":\"cluster_block_exception\",\"reason\":\"blocked by: [SERVICE_UNAVAILABLE/2/no master];\"}],\"type \":\"cluster_block_exception\",\"reason\":\"blocked by: [SERVICE_UNAVAILABLE/2/no master];\"},\"status\":503}", :error_class=>"Elasticsearch::Transport::Transport::Errors::ServiceUnavailable", :backtrace=>["/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/transport/base.rb:201:in `__raise_transport_error'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/transport/base.rb:312:in `perform_request'", "/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/transport/http/manticore.rb:67:in `perform_request'", "/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/client.rb:128:in `perform_request'", "/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-api-1.0.18/lib/elasticsearch/api/actions/bulk.rb:90:in `bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output- elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/http_client.rb:53:in `non_threadsafe_bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1 -java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'", "org/jruby/ext/thread/Mutex.java:149:in `synchronize'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash- output-elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1- java/lib/logstash/outputs/elasticsearch/common.rb:172:in `safe_bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1- java/lib/logstash/outputs/elasticsearch/common.rb:101:in `submit'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1- java/lib/logstash/outputs/elasticsearch/common.rb:86:in `retrying_submit'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1- java/lib/logstash/outputs/elasticsearch/common.rb:29:in `multi_receive'", "org/jruby/RubyArray.java:1653:in `each_slice'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output- elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/common.rb:28:in `multi_receive'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4- java/lib/logstash/output_delegator.rb:130:in `worker_multi_receive'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/output_delegator.rb:129:in `worker_multi_receive'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/output_delegator.rb:114:in `multi_receive'", "/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:301:in `output_batch'", "org/jruby/RubyHash.java:1342:in `each'", "/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:301:in `output_batch'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4- java/lib/logstash/pipeline.rb:232:in `worker_loop'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:201:in `start_workers'"], :level=>:error}
[503] {"error":{"root_cause":[{"type":"cluster_block_exception","reason":"blocked by: [SERVICE_UNAVAILABLE/2/no master];"}],"type":"cluster_block_exception","reason":"blocked by: [SERVICE_UNAVAILABLE/2/no master];"},"status":503} {:class=>"Elasticsearch::Transport::Transport::Errors::ServiceUnavailable", :backtrace=>["/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/transport/base.rb:201:in `__raise_transport_error'", "/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/transport/base.rb:312:in `perform_request'", "/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/transport/http/manticore.rb:67:in `perform_request'", "/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.18/lib/elasticsearch/transport/client.rb:128:in `perform_request'", "/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/elasticsearch-api-1.0.18/lib/elasticsearch/api/actions/bulk.rb:90:in `bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output- elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/http_client.rb:53:in `non_threadsafe_bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1 -java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'", "org/jruby/ext/thread/Mutex.java:149:in `synchronize'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash- output-elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1- java/lib/logstash/outputs/elasticsearch/common.rb:172:in `safe_bulk'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1- java/lib/logstash/outputs/elasticsearch/common.rb:101:in `submit'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1- java/lib/logstash/outputs/elasticsearch/common.rb:86:in `retrying_submit'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1- java/lib/logstash/outputs/elasticsearch/common.rb:29:in `multi_receive'", "org/jruby/RubyArray.java:1653:in `each_slice'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-output- elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/common.rb:28:in `multi_receive'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4- java/lib/logstash/output_delegator.rb:130:in `worker_multi_receive'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/output_delegator.rb:129:in `worker_multi_receive'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/output_delegator.rb:114:in `multi_receive'", "/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:301:in `output_batch'", "org/jruby/RubyHash.java:1342:in `each'", "/usr/local/logstash- 2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:301:in `output_batch'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4- java/lib/logstash/pipeline.rb:232:in `worker_loop'", "/usr/local/logstash-2.3.4/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:201:in `start_workers'"], :level=>:warn}
{
"message" => " 114.215.172.206 [14/Sep/2016:10:06:23 +0800] \"GET /elk/ HTTP/1.1\" - 200 15 \"-\" \"curl/7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.21 Basic ECC zlib/1.2.3 libidn/1.18 libssh2/1.4.2\" 0.000 -",
"@version" => "1",
"@timestamp" => "2016-09-14T02:08:52.784Z",
"path" => "/rsyslog/data/nginx/uat/nginx_access01_log.2016-09-14",
"host" => "0.0.0.0",
"type" => "uat_nginx_access",
"tags" => [
[0] "_grokparsefailure"
]
}
{
"message" => " 114.215.172.206 [14/Sep/2016:10:06:25 +0800] \"GET /elk/ HTTP/1.1\" - 200 15 \"-\" \"curl/7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.21 Basic ECC zlib/1.2.3 libidn/1.18 libssh2/1.4.2\" 0.000 -",
"@version" => "1",
"@timestamp" => "2016-09-14T02:08:54.790Z",
"path" => "/rsyslog/data/nginx/uat/nginx_access01_log.2016-09-14",
"host" => "0.0.0.0",
"type" => "uat_nginx_access",
"tags" => [
[0] "_grokparsefailure"
]
}
^CSIGINT received. Shutting down the agent. {:level=>:warn}
stopping pipeline {:id=>"main"}
{
"message" => " 114.215.172.206 [14/Sep/2016:10:06:27 +0800] \"GET /elk/ HTTP/1.1\" - 200 15 \"-\" \"curl/7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.21 Basic ECC zlib/1.2.3 libidn/1.18 libssh2/1.4.2\" 0.000 -",
"@version" => "1",
"@timestamp" => "2016-09-14T02:08:56.793Z",
"path" => "/rsyslog/data/nginx/uat/nginx_access01_log.2016-09-14",
"host" => "0.0.0.0",
"type" => "uat_nginx_access",
"tags" => [ haproxy 配置: frontend www
bind *:9200 default_backend eshttp_server
backend eshttp_server
mode http
balance roundrobin
server ela01 192.168.32.80:9200 check inter 2000 fall 3
server ela02 192.168.32.81:9200 check inter 2000 fall 3
server ela03 192.168.32.82:9200 check inter 2000 fall 3 /*************
option redispatch:此参数用于cookie保持的环境中,在默认请况下,HAproxy会将其请求的后端服务器的serverID插入到cookie中,以保持会话的seesion持久性,而如果后端的服务器出现故障,客户端的cookie是不会刷新 的,这就会出现问题,此时如果设置此参数,就会将客户的请求强制定向到别外一台健康的后端服务器上,以保证服务正常。 option redispatch #当serverId对应的服务器挂掉后,强制定向到其他健康的服务器

haproxy 负载elasticsearch 切换的更多相关文章

  1. Nginx/LVS/HAProxy负载均衡软件的优缺点详解

    PS:Nginx/LVS/HAProxy是目前使用最广泛的三种负载均衡软件,本人都在多个项目中实施过,参考了一些资料,结合自己的一些使用经验,总结一下. 一般对负载均衡的使用是随着网站规模的提升根据不 ...

  2. Nginx/LVS/HAProxy负载均衡软件的优缺点详解(转)

    PS:Nginx/LVS/HAProxy是目前使用最广泛的三种负载均衡软件,本人都在多个项目中实施过,参考了一些资料,结合自己的一些使用经验,总结一下. 一般对负载均衡的使用是随着网站规模的提升根据不 ...

  3. Nginx/LVS/HAProxy负载均衡软件的优缺点详解(转)

    PS:Nginx/LVS/HAProxy是目前使用最广泛的三种负载均衡软件,本人都在多个项目中实施过,参考了一些资料,结合自己的一些使用经验,总结一下. 一般对负载均衡的使用是随着网站规模的提升根据不 ...

  4. (总结)Nginx/LVS/HAProxy负载均衡软件的优缺点详解

    PS:Nginx/LVS/HAProxy是目前使用最广泛的三种负载均衡软件,本人都在多个项目中实施过,参考了一些资料,结合自己的一些使用经验,总结一下. 一般对负载均衡的使用是随着网站规模的提升根据不 ...

  5. 解决 RabbitMQ 集群 Channel shutdown: connection error 错误(HAProxy 负载均衡)

    相关文章:搭建 RabbitMQ Server 高可用集群 具体错误信息: 2018-05-04 11:21:48.116 ERROR 60848 --- [.168.0.202:8001] o.s. ...

  6. Nginx/LVS/HAProxy 负载均衡软件的优缺点详解

    Nginx/LVS/HAProxy 负载均衡软件的优缺点详解   Nginx/LVS/HAProxy是目前使用最广泛的三种负载均衡软件,本人都在多个项目中实施过,参考了一些资料,结合自己的一些使用经验 ...

  7. rabbitmq3.6.5镜像集群搭建以及haproxy负载均衡

    一.集群架构 后端75.103.69分别是3台rabbitmq节点做镜像集群,前端103用haproxy作为负载均衡器 二.安装rabbitmq节点 参照 https://www.cnblogs.co ...

  8. HAProxy详解(三):基于虚拟主机的HAProxy负载均衡系统配置实例【转】

    一.基于虚拟主机的HAProxy负载均衡系统配置实例 1.通过HAProxy的ACL规则配置虚拟主机: 下面将通过HAProxy的ACL功能配置一套基于虚拟主机的负载均衡系统.这里操作系统环境为:Ce ...

  9. haproxy负载均衡的安装配置

    haproxy是一款可靠,高性能的并且可以支持TCP/HTTP的负载均衡器,和前面说过的nginx负载均衡类似,这里haproxy对于负载均衡来说更专业,支持的配置选项更多,稳定性也很强,甚至只需要一 ...

随机推荐

  1. 【转】深圳FAE,想拿高薪还缺什么?

    原文网址:http://www.eefocus.com/KTHR_IC/blog/11-05/222793_e04c8.html KT老胡您好! 我07年本科毕业在一家医疗民营企业从事了3年多的嵌入式 ...

  2. 利用Connect By构造数列

    ,) yymm ;

  3. 好用的QT连接

    QT属性控件项目https://github.com/lexxmark/QtnProperty比特币交易软件https://github.com/JulyIGHOR/QtBitcoinTrader导航 ...

  4. 如何改变Myeclipse编辑区背景色

    编辑窗口右键单击——>Preferences——>General加号——>Editors加号——>点Text Editors字样——>右下窗口选Backgroud col ...

  5. 详细介绍如何使用kindEditor编辑器

    今天群里的朋友问我能不能写个kindEditor编辑器的使用教程,说是弄了半天没有搞定.由于PHP啦后台正好用了这个编辑器,我有写经验,正好教他的同时写出来分享给大家. kindEditor编辑器是一 ...

  6. iOS 原生二维码扫描,带扫描框和扫描过程动画

    在代码中使用了相对布局框架Masonry 准备两张图片,一张是扫描边框,一张是扫描时的细线分别命名 scanFrame.png和scanLine.png并提前放入工程 导入相对布局头文件 #defin ...

  7. Collections.sort()

    Comparator是个接口,可重写compare()及equals()这两个方法,用于比价功能:如果是null的话,就是使用元素的默认顺序,如a,b,c,d,e,f,g,就是a,b,c,d,e,f, ...

  8. 跟我一起学extjs5(17--Grid金额字段单位MVVM方式的选择)

    跟我一起学extjs5(17--Grid金额字段单位MVVM方式的选择)         这一节来完毕Grid中的金额字段的金额单位的转换.转换旰使用MVVM特性,整体上和控制菜单的几种模式类似.首先 ...

  9. c++读取ccbi

    loader类文件: 需要定义CCB_STATIC_NEW_AUTORELEASE_OBJECT_METHOD(ButtonTestLayerLoader, loader); 这个宏定义是定义静态的l ...

  10. Hacker(17)----认识Windows系统漏洞

    Windows系统是迄今为止使用频率最高的操作系统,虽然其安全性随着版本的更新不断提高,但由于人为编写的缘故始终存在漏洞和缺陷.但Mircosoft公司通过发布漏洞补丁来提高系统的安全性,使Windo ...