from-beginning --topic moni图示:image.pngkafka_manager 连接:访问 ip:9000 如图:image.png关于kafka-manager部署的时候,会出现错误:Yikes...Ask timed out on [ActorSelection[Anchor(akka://kafka-manager-system/), Path(/user/kafka-manager)]] after
Manager实现 实现语言: Scala 用到的框架和第三方库: Play framework: Kafka-Mananger本质上是个Web应用, 因此使用play framework的MVC架构实现; AKKA...Kafka Manager中的所有请求都使用akka来异步处理; Apache Curator Framework: 用于访问zookeeper; Kafka Sdk: 用于获取各Topic的last...Ask timed out on [ActorSelection[Anchor(akka://kafka-manager-system/), Path(/user/kafka-manager)]] after...找到根源: 再也不用定时重启, 提了一个pull request到官方:Use a separate thread to get the topic offsets to fixed bug 'Yikes...Ask timed out...
("../*"); 消息可以通过ActorSelection发送,并且在传递每个消息时查找ActorSelection的路径。...import akka.actor.ActorIdentity; import akka.actor.ActorSelection; import akka.actor.Identify; static...如果启用「remoting」,也可以查找远程 Actor 的地址: getContext().actorSelection("akka.tcp://app@otherhost:1234/user/serviceB...Ask: Send-And-Receive-Future ask模式涉及 Actor 和Future,因此它是作为一种使用模式而不是ActorRef上的一种方法提供的: import static akka.pattern.Patterns.ask...CoordinatedShutdown.get(system) .addJvmShutdownHook(() -> System.out.println("custom JVM shutdown
:2181" 5.后台启动 nohup bin/kafka-manager -Dconfig.file=conf/application.conf -Dhttp.port=7778 & 三.报错处理 timed...out on 这是因为kafka-manager链接zookeeper超时导致的。...://kafka-manager-system)] Logger log1-Slf4jLogger did not respond within Timeout(5000 milliseconds) to...: Logger specified in config can't be loaded [akka.event.slf4j.Slf4jLogger] due to [akka.event.Logging...{ loggers = ["akka.event.slf4j.Slf4jLogger"] loglevel = "INFO" } 到 akka { loggers = ["akka.event.slf4j.Slf4jLogger
Akka介绍 由于Flink底层Rpc是基于Akka实现,我们先了解下Akka的基本使用。 Akka是一个开发并发、容错和可伸缩应用的框架。...as = system.actorSelection("/path/to/actor"); Timeout timeout = new Timeout(Duration.create(2, "seconds...2.3.2. ask方式 当我们需要从Actor获取响应结果时,可使用ask方法,ask方法会将返回结果包装在scala.concurrent.Future中,然后通过异步回调获取返回结果。...= null) { System.out.println("failure is " + failure); } else { System.out.println...; 经过上述步骤就完成Rpc(本地/远程)调用,可以看到底层也是通过Akka提供的tell/ask方法进行通信;经过上述步骤就完成Rpc(本地/远程)调用,可以看到底层也是通过Akka提供的tell/ask
journal import system.dispatcher implicit val timeout = Timeout(15.seconds) val f = (system.actorSelection...() } f.onFailure { case _ => system.log.error("Lookup of shared journal at {} timed...out", path) system.terminate() } } def startupSharding(port: Int, system: ActorSystem...() } f.onFailure { case _ => system.log.error("Lookup of shared journal at {} timed...out", path) system.terminate() } } def startupSharding(port: Int, system: ActorSystem
Caused by: java.util.concurrent.CompletionException: akka.pattern.AskTimeoutException: Ask timed out...(4) java.util.concurrent.TimeoutException: Slot allocation request timed out slot分配请求超时,是因为TaskManager...(6) java.util.concurrent.TimeoutException: Heartbeat of TaskManager with id timed out TaskManager...(3) akka.pattern.AskTimeoutException: Ask timed out on [Actor[akka://...]] after [10000 ms] Akka超时导致,...如果负载或网络问题无法彻底缓解,需考虑调大akka.ask.timeout参数的值(默认只有10秒);另外,调用外部服务时尽量异步操作(Async I/O)。
Caused by: java.util.concurrent.CompletionException: akka.pattern.AskTimeoutException: Ask timed out...在flink-conf.yaml中添加或修改:akka.ask.timeout: 100s web.timeout: 100000。...(6)java.util.concurrent.TimeoutException: Heartbeat of TaskManager with id timed out TaskManager...(3)akka.pattern.AskTimeoutException:Ask timed out on [Actor[akka://...]] after [10000 ms] Akka超时导致,一般有两种原因...如果负载或网络问题无法彻底缓解,需考虑调大akka.ask.timeout参数的值(默认只有10秒);另外,调用外部服务时尽量异步操作(Async I/O)。
实际上,在sender方是通过ctx.ask提供了TextTransformed的类型转换。...TransformCompleted(transformedText.text, text) case Failure(ex) => JobFailed("Processing timed...out", text) } ctx.ask将TextTransformed转换成TransformCompleted。...TransformCompleted(transformedText.text, text) case Failure(ex) => JobFailed("Processing timed...out", text) } running(ctx, workers, jobCounter + 1) } case TransformCompleted
The heartbeat of TaskManager with id container ....... timed out 此错误是container心跳超时,出现此种错误一般有两种可能: 1、分布式物理机网络失联...Caused by: java.util.concurrent.CompletionException: akka.pattern.AskTimeoutException: Ask timed out...在flink-conf.yaml中添加或修改:akka.ask.timeout: 100s web.timeout: 100000 Checkpoint:Checkpoint expired before...5. java.util.concurrent.TimeoutException: Slot allocation request timed out slot分配请求超时,是因为TaskManager...7. java.util.concurrent.TimeoutException: Heartbeat of TaskManager with id timed out TaskManager
++= Seq( "com.typesafe.akka" %% "akka-actor" % akkaversion, "com.typesafe.akka" %% "akka-remote"...% akkaversion, "com.typesafe.akka" %% "akka-cluster" % akkaversion, "com.typesafe.akka" %% "akka-cluster-tools...journal import system.dispatcher implicit val timeout = Timeout(15.seconds) val f = (system.actorSelection...() } f.onFailure { case _ => system.log.error("Lookup of shared journal at {} timed...out", path) system.terminate() } } } class SingletonActor extends PersistentActor with
java.lang.Exception: The slot 60d5277e138a94fb73fc6691557001e0 has timed out....的注册线程是异步运行的,不一定能实时响应),例如第一次 100ms,第二次 200ms,第三次 400ms,第四次 800ms 等,直到达到最大的超时阈值,此时注册失败,就出现了上面所说的The slot has timed...out报错日志。...slot.request.timeout: 500000 # 增加单次尝试的最大超时时间 cluster.registration.max-timeout: 300000 # 避免 "free slot (TaskSlot)" akka.ask.timeout...: 10 min # 避免 "Heartbeat of TaskManager timed out." heartbeat.timeout: 500000 加上这些参数后,TaskManager 终于可以注册成功了
Caused by: java.util.concurrent.CompletionException: akka.pattern.AskTimeoutException: Ask timed out...在flink-conf.yaml中添加或修改:akka.ask.timeout: 100s web.timeout: 100000 Checkpoint:Checkpoint expired before...(4) java.util.concurrent.TimeoutException: Slot allocation request timed out slot分配请求超时,是因为TaskManager...(3) akka.pattern.AskTimeoutException: Ask timed out on [Actor[akka://...]] after [10000 ms] Akka超时导致,...如果负载或网络问题无法彻底缓解,需考虑调大akka.ask.timeout参数的值(默认只有10秒);另外,调用外部服务时尽量异步操作(Async I/O)。
2.akka.ask.timeout 默认值10s(社区版)/ 60s(平台),表示Akka Actor的Ask RPC等待返回结果的超时。...如果网络拥塞或者拓扑过于复杂,就会出现AskTimeoutException: Ask timed out on Actor akka://xx after xx ms的信息,应调大此值,如120s。...与akka.ask.timeout同理,若出现TimeoutException: Heartbeat of TaskManager with id xx timed out,建议适当调大。...读者可在TM日志中发现形如Exception in createBlockOutputStream: Connect timed out的异常信息。
通讯超时 akka.pattern.AskTimeoutException: Ask timed out on [Actor[akka://...]] after [10000 ms] Akka 超时导致...如果负载或网络问题无法彻底缓解,需考虑调大 akka.ask.timeout 参数的值 (默认只有 10 秒);另外,调用外部服务时尽量异步操作(Async I/O)。
分布式程序运算是一种水平扩展(scale-out)运算模式,其核心思想是能够充分利用服务器集群中每个服务器节点的计算资源,包括:CPU、内存、硬盘、IO总线等。...akka提供了一种基于节点运算资源负载的算法,在配置文件中定义: akka.extensions = [ "akka.cluster.metrics.ClusterMetricsExtension" ]...具体情况请参考下面测试程序的输出: package my.akka import akka.actor....{Backoff, BackoffSupervisor, ask} import scala.concurrent.Await import scala.concurrent.duration._...返回当前子级Actor var innerChild: Option[ActorRef] = None //返回的当前子级ActorRef val selectedChild = context.actorSelection
到了 Spark 1.6,Spark 可以配置使用 Akka 或者 Netty 了,这意味着 Netty 可以完全替代 Akka了。...官方的解释是: •1)很多 Spark 用户也使用 Akka,但是由于 Akka 不同版本之间无法互相通信,这就要求用户必须使用跟 Spark 完全一样的 Akka 版本,导致用户无法升级 Akka...•2)Spark 的 Akka 配置是针对 Spark 自身来调优的,可能跟用户自己代码中的 Akka 配置冲突。 •3)Spark 用的 Akka 特性很少,这部分特性很容易自己实现。...2.3 Endpoint Send&Ask 流程 Endpoint 的消息发送与请求流程,如下: ?...然后为 merge 过程创建一个叫 file.out 的文件和一个叫 file.out.Index 的文件用来存储最终的输出和索引。
An issue exists to support executing after_script commands for timed-out or cancelled jobs....Use needs: to execute jobs out-of-order....To use it in GitLab self-managed instances, ask a GitLab administrator to enable it....stage completes: timed rollout 10%: stage: deploy script: echo 'Rolling out 10% ...'...To use it in GitLab self-managed instances, ask a GitLab administrator to enable it.
is_external_suspend()) { // a racing resume has cancelled us; bail out now return; }...AllowJNIEnvProxy || this == JavaThread::current())) { frame_anchor()->make_walkable(this); java_suspend_self...if (time == 0) { _cur_index = REL_INDEX; // arbitrary choice when not timed status = pthread_cond_wait...Otherwise, this thread is eligible for * lock wrt state, so ask if it should block...我们知道编译器有个功能叫OoO(Out-of-order execution),会为了更好利用缓存而交换一些指定的顺序,在java中则可能是字节码,在java1.5之前,volatile就仅仅做到了可见性而没有支持内存屏障
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