全路径名: com.google.common.base ** Predicates** 简介 包含实用的静态方法用和Predicates实例有关。...只要给定的参数是可序列化的,所有的方法返回可序列化的断言(predicates)。...3; username: user2; age: 41;} // 保留名字为user2且年龄小于30的 Predicate predicateAnd = Predicates.and...2; username: user2; age: 21;} // 保留名字为user2或年龄小于30的 Predicate predicateOr = Predicates.or...{id: 3; username: user2; age: 41;} // 保留名字不是user2的 Predicate predicateNot = Predicates.not
本文是对Kubernetes V1.5 Scheduler 的预选策略Predicates Policies和优选策略Priorities Policies的含义解读,并附有部分样例代码代码解析。...关于kubernetes调度器更全面的解析见我的其他博客:Kubernetes Scheduler源码分析, Kubernetes Scheduler原理解析 ##Predicates Policies...分析 在/plugin/pkg/scheduler/algorithm/predicates.go中实现了以下的预选策略: NoDiskConflict:检查在此主机上是否存在卷冲突。...下面是NoDiskConflict的代码实现,其他Predicates Policies实现类似,都得如下函数原型: type FitPredicate func(pod *v1.Pod, meta interface
kubernetes 版本: v1.16 predicates 调度算法源码分析 predicates 算法主要是对集群中的 node 进行过滤,选出符合当前 pod 运行的 nodes。..., predicates.MaxEBSVolumeCountPred, predicates.MaxGCEPDVolumeCountPred, predicates.MaxAzureDiskVolumeCountPred..., predicates.MaxCSIVolumeCountPred, predicates.MatchInterPodAffinityPred, predicates.NoDiskConflictPred..., predicates.GeneralPred, predicates.CheckNodeMemoryPressurePred, predicates.CheckNodeDiskPressurePred..., predicates.CheckNodePIDPressurePred, predicates.CheckNodeConditionPred, predicates.PodToleratesNodeTaintsPred
今天读了一篇MOS文章,《ORA-01722, ORA-01839, ORA-01841, ORA-01847 or ORA-01858 from Queries with Dependent Predicates...整篇文章的目的就是为了阐述对于包含相互依赖关系谓词的SQL语句产生错误的可能原因(To explain the possible causes of these errors in SQL statements that include predicates...Oracle提供了/*+ ordered_predicates */这个HINT可以作为workaround,但前提是需要以要求的解析顺序来改写查询语句。 还有一种更复杂的场景,就是使用视图。...下的CBO,如实验语句4,MOS中提到“That means views often get merged into the main query and so the order in which predicates
虽然JanusGraph的复合索引(composite indexes)支持 可以存储在JanusGraph中的 任何数据类型, 但混合索引(mixed ind...
gateway: routes: - id: after-route #id必须要唯一 uri: lb://product-center predicates...GatewayFilterFactory> GatewayFilters, List predicates...RouteDefinitionLocator routeDefinitionLocator) { return new RouteDefinitionRouteLocator(routeDefinitionLocator, predicates...RouteDefinitionLocator routeDefinitionLocator, List predicates...gatewayProperties) { this.routeDefinitionLocator = routeDefinitionLocator; initFactories(predicates
图解Janusgraph系列-查询谓词和数据类型(janusgraph Search predicates and data types) 大家好,我是洋仔,JanusGraph图解系列文章,`实时更新
kube-scheduler调度流程 kube-scheduler的根本工作任务是根据各种调度算法将Pod绑定(bind)到最合适的工作节点,整个调度流程分为两个阶段:预选策略(Predicates)和优选策略...预选(Predicates):输入是所有节点,输出是满足预选条件的节点。kube-scheduler根据预选策略过滤掉不满足策略的Nodes。...预选策略(Predicates) 官网地址:调度器预选、优选策略 过滤条件包含如下: PodFitsHostPorts:检查Pod容器所需的HostPort是否已被节点上其它容器或服务占用。...如果在predicates(预选)过程中没有合适的节点,那么Pod会一直在pending状态,不断重试调度,直到有节点满足条件。
其包含多种默认方法来将Predicate组合成复杂的路由逻辑 spring.cloud.gateway.routes[0].predicates[0]=Path=/hello/** 3、配置文件方式构建路由...其包含多种默认方法来将Predicate组合成复杂的路由逻辑 spring.cloud.gateway.routes[0].predicates[0]=Path=/hello 说明: 此处配置了一个路由...其包含多种默认方法来将Predicate组合成复杂的路由逻辑 spring.cloud.gateway.routes[8].predicates[0]=Query=name #?...目标服务地址 spring.cloud.gateway.routes[11].uri=http://localhost:50021 #predicates:路由条件。...[11].predicates[1]=Weight=Weight,6
cloud: gateway: routes: - id: after_route uri: http://127.0.0.1:8082 predicates...参数要用datetime: [ { "id": "after_route", "uri": "http://127.0.0.1:8082", "predicates...cloud: gateway: routes: - id: before_route uri: http://127.0.0.1:8082 predicates...参数要用datetime: [ { "id": "before_route", "uri": "http://127.0.0.1:8082", "predicates...cloud: gateway: routes: - id: cookie_route uri: https://example.org predicates
gateway: routes: - id: path_route uri: http://127.0.0.1:8082 predicates...gateway: routes: - id: path_route uri: http://127.0.0.1:8082 predicates...gateway: routes: - id: path_route uri: http://127.0.0.1:8082 predicates...使用,下面的配置会将请求/test/str改成/hello/str,可见这个segment是在predicates中赋值的,然后再filters中拿来用: server: #服务端口 port:...配合,在predicates中定义的变量可以用在SetRequestHeader中,如下所示,当请求是/hello/str的时候,header中X-Request-Red的值就是Blue-str: server
", "route_definition": { "id": "CompositeDiscoveryClient_ACCTSVI", "predicates..., "order": 0 }, "order": 0 }, ... ] 每个路由设定会有个route_id作为识别,在路由定义的predicates...predicates与filters是Spring Cloud Gateway的重要特性,predicates断言哪些路径符合路由定义,filters设置具体哪些路径适用什么样的具体过滤器,除了设置之外....*), /$\{remaining} routes: - predicates:...- Path=/api/acct/** uri: lb://acctsvi - predicates:
RouteDefinitionLocator routeDefinitionLocator; private final Map predicates...) { predicates.forEach(factory -> { String key = factory.name(); if (...this.predicates.containsKey(key)) { this.logger.warn("A RoutePredicateFactory named "...It will be overwritten."); } this.predicates.put(key, factory); if...(0)); for (PredicateDefinition andPredicate : predicates.subList(1, predicates.size())) {
PowerQuery powerQuery) { return (Specification) (root, query, cb) -> { List predicates...String colName = StringUtils.substringBeforeLast(fieldName, PowerQuery.EQUAL); predicates.add...colName = StringUtils.substringBeforeLast(fieldName, PowerQuery.NOT_EQUAL); predicates.add...= null) { predicates.add(cb.equal(root.get("appId"), powerQuery.getAppIdEq()));...} return query.where(predicates.toArray(new Predicate[0])).getRestriction(); };
: true routes: - id: dqgs-portainer uri: http://192.168.1.17:8001 predicates...: BAD_GATEWAY - id: dqgs-gateway uri: lb://dqgs-gateway predicates...statuses: BAD_GATEWAY - id: dqgs-auth uri: lb://dqgs-auth predicates...statuses: BAD_GATEWAY - id: eisp-vpp uri: lb://eisp-vpp predicates...3 statuses: BAD_GATEWAY - id: hb-iess uri: lb://hb-iess predicates
[0].predicates[1]=Weight=Weight,4 spring.cloud.gateway.routes[0].predicates[2]=Query=name #id:自定义路由ID...[1].predicates[1]=Weight=Weight,6 #id:自定义路由ID spring.cloud.gateway.routes[2].id=path_route1 #uri:目标服务地址...spring.cloud.gateway.routes[2].uri=http://localhost:50022 #predicates:路由条件。...[3].id=path_route2 #uri:目标服务地址 spring.cloud.gateway.routes[3].uri=http://localhost:50023 #predicates:...其包含多种默认方法来将Predicate组合成复杂的路由逻辑 spring.cloud.gateway.routes[3].predicates[0]=Path=/test 1.2、修改服务提供者代码
powerQuery) { return (Specification) (root, query, cb) -> { List predicates...colName = StringUtils.substringBeforeLast(fieldName, PowerQuery.NOT_EQUAL); predicates.add...colName = StringUtils.substringBeforeLast(fieldName, PowerQuery.NOT_LIKE); predicates.add...= null) { predicates.add(cb.equal(root.get("appId"), powerQuery.getAppIdEq()));...} return query.where(predicates.toArray(new Predicate[0])).getRestriction(); };
Predicates 和 priorities 策略 Predicates 是一些用于过滤不合适 node 的策略。...Priorities 是一些用于区分 node 排名(分数)的策略(作用在通过 predicates 过滤的 node 上)....K8s 默认内建了一些 predicates 和 priorities 策略,官方文档介绍地址: scheduler_algorithm.md。...Predicates 和 priorities 的代码分别在: pkg/scheduler/algorithm/predicates/predicates.go pkg/scheduler/algorithm...所以我们可以通过配置文件的方式或者修改 pkg/scheduler/algorithm/predicates/predicates.go 和 /pkg/scheduler/algorithm/priorities
: gateway: routes: - id: after_route uri: http://httpbin.org:80/get predicates...gateway: routes: - id: cookie_route uri: http://httpbin.org:80/get predicates...gateway: routes: - id: method_route uri: http://httpbin.org:80/post predicates...cloud: gateway: routes: - id: path_route uri: http://httpbin.org predicates...: gateway: routes: - id: query_route uri: http://httpbin.org:80/get predicates
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