splett2 commented on a change in pull request #9386:
URL: https://github.com/apache/kafka/pull/9386#discussion_r502092508
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File path: core/src/main/scala/kafka/network/SocketServer.scala
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@@ -1242,7 +1314,56 @@ class ConnectionQuotas(config: KafkaConfig, time: Time,
metrics: Metrics) extend
private[network] def updateBrokerMaxConnectionRate(maxConnectionRate: Int):
Unit = {
// if there is a connection waiting on the rate throttle delay, we will
let it wait the original delay even if
// the rate limit increases, because it is just one connection per
listener and the code is simpler that way
- updateConnectionRateQuota(maxConnectionRate)
+ updateConnectionRateQuota(maxConnectionRate, BrokerQuotaEntity)
+ }
+
+ /**
+ * Update the connection rate quota for a given IP and updates quota configs
for updated IPs.
+ * If an IP is given, metric config will be updated only for the given IP,
otherwise
+ * all metric configs will be checked and updated if required
+ *
+ * @param ip ip to update or default if None
+ * @param maxConnectionRate new connection rate, or resets entity to default
if None
+ */
+ def updateIpConnectionRate(ip: Option[String], maxConnectionRate:
Option[Int]): Unit = {
+ def isIpConnectionRateMetric(metricName: MetricName) = {
+ metricName.name == "connection-accept-rate" &&
+ metricName.group == MetricsGroup &&
+ metricName.tags.containsKey("ip")
+ }
+
+ def shouldUpdateQuota(metric: KafkaMetric, quotaLimit: Int) = {
+ quotaLimit != metric.config.quota.bound
+ }
+
+ ip match {
+ case Some(addr) =>
+ val address = InetAddress.getByName(addr)
+ if (maxConnectionRate.isDefined) {
+ info(s"Updating max connection rate override for $address to
${maxConnectionRate.get}")
+ connectionRatePerIp.put(address, maxConnectionRate.get)
+ } else {
+ info(s"Removing max connection rate override for $address")
+ connectionRatePerIp.remove(address)
+ }
+ updateConnectionRateQuota(connectionRateForIp(address),
IpQuotaEntity(address))
+ case None =>
+ val newQuota = maxConnectionRate.getOrElse(Int.MaxValue)
Review comment:
actually in this case, it should reset to
`DynamicConfig.Ip.DefaultConnectionCreationRate` right?
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