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- 蔭使用艾斯波從交通流得到車輛計數1分鐘運行窗口,
- 它工作正常,IAM能夠獲得基於的分組計數傳感器,車輛類型和方向。
- 它運行了一天,但在一天結束時它會給出內存不足,請你幫我們解決這個問題。 4,我已經使用@Hint不退,請建議,如果EPL必須改變
信息: 一)艾斯波版本:6.1.0,而不是企業版
B)JDK 1.8
三)OS:RHEL 7.0
d)EPL:艾斯波6.1.0出內存
@Hint('reclaim_group_aged=60,reclaim_group_freq=5')
select max(time) as time, event_name, object_class, object_id,
world_position, provider, tenant, speed, count(time) as vehicle_count,
sum(speed) as avg_speed, sensityScope as scope_id, sensityLane as lane,
suportedBearing as bearing, objectType as object_type,
pomLatitude as pom_latitude, pomLongitude as pom_longitude,
refSpeed as ref_speed, sid, geoPoint, roadClass
from com.cisco.cdp.traffic.esper.event.SensityTrafficEntity#time(1 minute)
group by sensityScope, object_class, event_name, suportedBearing
「sensityScope,object_class,event_name,suportedBearing」字段都需要明確定義的哈希碼和等號。 – user650839