ZoneStats

• Z时代
• 2024-01-10
• 分类：综合

每个zone的统计信息 。

public class ZoneStats<T extends Server> {
private final LoadBalancerStats loadBalancerStats;
    private final String zone;
    private static final String PREFIX = "ZoneStats_";
    private final Counter counter;
    final String monitorId;
    public ZoneStats(String name, String zone, LoadBalancerStats loadBalancerStats) {
this.zone = zone;
        this.loadBalancerStats = loadBalancerStats;
monitorId = name + ":" + zone;  
counter = Monitors.newCounter(PREFIX + name + "_" + zone + "_Counter");
Monitors.registerObject(monitorId, this);
}
public final String getZone() {
return zone;
}
@Monitor(name=PREFIX + "ActiveRequestsCount", type = DataSourceType.INFORMATIONAL)    
public int getActiveRequestsCount() {
return loadBalancerStats.getActiveRequestsCount(zone);
}
@Monitor(name=PREFIX + "InstanceCount", type = DataSourceType.GAUGE)    
public int getInstanceCount() {
return loadBalancerStats.getInstanceCount(zone);
}
@Monitor(name=PREFIX + "CircuitBreakerTrippedCount", type = DataSourceType.GAUGE)    
public int getCircuitBreakerTrippedCount() {
return loadBalancerStats.getCircuitBreakerTrippedCount(zone);
}
@Monitor(name=PREFIX + "ActiveRequestsPerServer", type = DataSourceType.GAUGE)    
public double getActiveRequestsPerServer() {
return loadBalancerStats.getActiveRequestsPerServer(zone);
}
// @Monitor(name=PREFIX + "RequestsMadeLast5Minutes", type = DataSourceType.GAUGE)    
public long getMeasuredZoneHits() {
return loadBalancerStats.getMeasuredZoneHits(zone);
}
@Monitor(name=PREFIX + "CircuitBreakerTrippedPercentage", type = DataSourceType.INFORMATIONAL)    
public double getCircuitBreakerTrippedPercentage() {
        ZoneSnapshot snapShot = loadBalancerStats.getZoneSnapshot(zone);
        int totalCount = snapShot.getInstanceCount();
        int circuitTrippedCount = snapShot.getCircuitTrippedCount();
        if (totalCount == 0) {
if (circuitTrippedCount != 0) {
return -1;
} else {
return 0;
}
        } else {
return snapShot.getCircuitTrippedCount() / ((double) totalCount); 
}
    }
void incrementCounter() {
counter.increment();
}
@Override
public String toString(){
        StringBuilder sb = new StringBuilder();        
sb.append("[Zone:" + zone + ";");
sb.append("Instance count:" + getInstanceCount() + ";");
sb.append("Active connections count: " + getActiveRequestsCount() + ";");
sb.append("Circuit breaker tripped count: " + getCircuitBreakerTrippedCount() + ";");
sb.append("Active connections per server: " + getActiveRequestsPerServer() + ";");        
sb.append("]
");        
        return sb.toString();
}
}

以上是 ZoneStats 的全部内容， 来源链接： utcz.com/z/518911.html