haproxy 负载elasticsearch 切换
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
- 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 ...
- 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 ...
- 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 ...
- （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 ...
- 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. ...
- 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 ...
- 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 ...
- 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 ...
- 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
- js深入研究之神奇的匿名函数类生成方式
<script type="text/javascript"> var Book = (function() { // 私有静态属性 ; // 私有静态方法 funct ...
- Android 读取手机某个文件夹目录及子文件夹中所有的txt文件
1. activity_main.xml文件 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/andro ...
- IOS UIlabel设置文本距离边框距离
自定义UILabel 继承 UILabel 重写drawTextInRect 方法具体如下: CGRect rect = CGRectMake(rect.origin.x + 5, rect.orig ...
- html打开个人QQ聊天页面
打开qq聊天页面(有权限需要添加好友) <a href="tencent://message/?uin=1578929883&Site=&Menu=yes" ...
- Map的内容按字母顺序排序
map有自带的排序功能,但需要重写排序方法,代码如下: package coreJava.com.shindo.corejava.map; import java.util.ArrayList; im ...
- vuex 模块
今天,在我编写系统中一个模块功能的时候,由于我使用vuex存储数据的状态,并分模块存储.我是这样在存储文件中定义state,getters,actions,mutations的,我打算在不同模块文件都 ...
- OCP-1Z0-051-题目解析-第28题
28. Which two statements are true regarding constraints? (Choose two.) A. A foreign key cannot cont ...
- 全响应跨设备的Zoomla!逐浪CMS2 x2.0正式公布
2014年是中国互联网的重要一年,京东上市.聚美优品领衔创业风范,小米进军国际化.滴滴快的锋火争雄. 作为中国互联网的中间力量,Zoomla!逐浪软件团队坚守信念,始终以WEB开发和科研创新为己任,并 ...
- Gson源码分析之Json结构抽象和注解使用
github上的博客地址: http://chuyun923.github.io/blog/2015/01/06/gsonyuan-ma-fen-xi/ XML和Json作为最常用的两种网络传输格式而 ...
- js_day14