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The loadbalancer should avoid offload the heartbeat namespace #12252

Merged
merged 2 commits into from
Sep 30, 2021
Merged

The loadbalancer should avoid offload the heartbeat namespace #12252

merged 2 commits into from
Sep 30, 2021

Commits on Sep 30, 2021

  1. The loadbalancer should avoid offload the heartbeat namespace 

    The heartbeat namespace is sticky to a broker, so it will not owned by other brokers, It will not make any sense for rebalancing the heartbeat namespace.

```
09:49:55.946 [pulsar-load-manager-1-1] WARN  org.apache.pulsar.broker.loadbalance.impl.ModularLoadManagerImpl - Error when trying to perform load shedding on pulsar/pluster-2/10.1.131.232:8080/0x00000000_0xffffffff for broker 10.1.131.232:8080 org.apache.pulsar.client.admin.PulsarAdminException$NotFoundException: Namespace does not exist
        at org.apache.pulsar.client.admin.internal.BaseResource.getApiException(BaseResource.java:220)
        at org.apache.pulsar.client.admin.internal.BaseResource$1.failed(BaseResource.java:130)
        at org.glassfish.jersey.client.JerseyInvocation$1.failed(JerseyInvocation.java:839)
        at org.glassfish.jersey.client.JerseyInvocation$1.completed(JerseyInvocation.java:820)
        at org.glassfish.jersey.client.ClientRuntime.processResponse(ClientRuntime.java:229)
        at org.glassfish.jersey.client.ClientRuntime.access$200(ClientRuntime.java:62)
        at org.glassfish.jersey.client.ClientRuntime$2.lambda$response$0(ClientRuntime.java:173)
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:248)
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:244)
        at org.glassfish.jersey.internal.Errors.process(Errors.java:292)
        at org.glassfish.jersey.internal.Errors.process(Errors.java:274)
        at org.glassfish.jersey.internal.Errors.process(Errors.java:244)
        at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:288)
        at org.glassfish.jersey.client.ClientRuntime$2.response(ClientRuntime.java:173)
        at org.apache.pulsar.client.admin.internal.http.AsyncHttpConnector.lambda$apply$1(AsyncHttpConnector.java:212)
        at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774)
        at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750)
        at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488)
        at java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1975)
        at org.apache.pulsar.client.admin.internal.http.AsyncHttpConnector.lambda$retryOperation$3(AsyncHttpConnector.java:253)
        at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774)
        at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750)
        at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488)
        at java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1975)
        at org.asynchttpclient.netty.NettyResponseFuture.loadContent(NettyResponseFuture.java:222)
        at org.asynchttpclient.netty.NettyResponseFuture.done(NettyResponseFuture.java:257)
        at org.asynchttpclient.netty.handler.AsyncHttpClientHandler.finishUpdate(AsyncHttpClientHandler.java:241)
        at org.asynchttpclient.netty.handler.HttpHandler.handleChunk(HttpHandler.java:114)
        at org.asynchttpclient.netty.handler.HttpHandler.handleRead(HttpHandler.java:143)
        at org.asynchttpclient.netty.handler.AsyncHttpClientHandler.channelRead(AsyncHttpClientHandler.java:78)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
        at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
 ```
    @codelipenghui
    codelipenghui committed Sep 30, 2021
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    b644e79 View commit details
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  2. Fix checkstyle

    @codelipenghui
    codelipenghui committed Sep 30, 2021
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    f930c01 View commit details
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