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MINOR: Start the broker-to-controller channel for request forwarding #10340

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Merged
mumrah merged 6 commits into from
Mar 18, 2021
Merged

MINOR: Start the broker-to-controller channel for request forwarding #10340

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23965f5
Start the broker to controller channel for request forwarding
mumrah Mar 17, 2021
8db1363
alterisr to alterIsr
mumrah Mar 17, 2021
df1c602
Fix the broker-to-controller thread name as well
mumrah Mar 17, 2021
4574eb5
Add test for thread not running
mumrah Mar 17, 2021
67164f2
Don't actually start the thread in unit tests
mumrah Mar 18, 2021
f5b5ddc
PR feedback
mumrah Mar 18, 2021
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2 changes: 1 addition & 1 deletion core/src/main/scala/kafka/server/AlterIsrManager.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -80,7 +80,7 @@ object AlterIsrManager {
time = time,
metrics = metrics,
config = config,
channelName = "alterIsrChannel",
channelName = "alterIsr",
threadNamePrefix = threadNamePrefix,
retryTimeoutMs = Long.MaxValue
)
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5 changes: 3 additions & 2 deletions core/src/main/scala/kafka/server/BrokerServer.scala
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Expand Up @@ -186,10 +186,11 @@ class BrokerServer(
time,
metrics,
config,
channelName = "controllerForwardingChannel",
channelName = "forwarding",
threadNamePrefix,
retryTimeoutMs = 60000
)
clientToControllerChannelManager.start()
forwardingManager = new ForwardingManagerImpl(clientToControllerChannelManager)

val apiVersionManager = ApiVersionManager(
Expand All @@ -211,7 +212,7 @@ class BrokerServer(
time,
metrics,
config,
channelName = "alterisr",
channelName = "alterIsr",
threadNamePrefix,
retryTimeoutMs = Long.MaxValue
)
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5 changes: 4 additions & 1 deletion core/src/main/scala/kafka/server/BrokerToControllerChannelManager.scala
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Expand Up @@ -168,7 +168,7 @@ class BrokerToControllerChannelManagerImpl(
threadNamePrefix: Option[String],
retryTimeoutMs: Long
) extends BrokerToControllerChannelManager with Logging {
private val logContext = new LogContext(s"[broker-${config.brokerId}-to-controller] ")
private val logContext = new LogContext(s"[BrokerToControllerChannelManager broker=${config.brokerId} name=$channelName] ")
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private val manualMetadataUpdater = new ManualMetadataUpdater()
private val apiVersions = new ApiVersions()
private val currentNodeApiVersions = NodeApiVersions.create()
Expand Down Expand Up @@ -304,6 +304,9 @@ class BrokerToControllerRequestThread(
}

def enqueue(request: BrokerToControllerQueueItem): Unit = {
if (!this.isAlive) {
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throw new IllegalStateException("Cannot enqueue a request if the request thread is not running")
}
requestQueue.add(request)
if (activeControllerAddress().isDefined) {
wakeup()
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2 changes: 1 addition & 1 deletion core/src/main/scala/kafka/server/KafkaServer.scala
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Expand Up @@ -265,7 +265,7 @@ class KafkaServer(
time = time,
metrics = metrics,
config = config,
channelName = "controllerForwardingChannel",
channelName = "forwarding",
threadNamePrefix = threadNamePrefix,
retryTimeoutMs = config.requestTimeoutMs.longValue)
brokerToControllerManager.start()
Expand Down