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我有刷新未完成功能的奇怪行爲。 這是我的配置:Oracle Coherence Refresh-Ahead:如果緩存查詢的時間早於軟到期時間,則刷新不起作用
<cache-config>
<defaults>
<serializer>pof</serializer>
<socket-provider system-property="tangosol.coherence.socketprovider"/>
</defaults>
<caching-scheme-mapping>
<cache-mapping>
<cache-name>sample</cache-name>
<scheme-name>extend-near-distributed</scheme-name>
</cache-mapping>
</caching-scheme-mapping>
<caching-schemes>
<near-scheme>
<scheme-name>extend-near-distributed</scheme-name>
<front-scheme>
<local-scheme>
<high-units>20000</high-units>
<expiry-delay>10s</expiry-delay>
</local-scheme>
</front-scheme>
<back-scheme>
<distributed-scheme>
<scheme-ref>distributed</scheme-ref>
</distributed-scheme>
</back-scheme>
<invalidation-strategy>all</invalidation-strategy>
</near-scheme>
<distributed-scheme>
<scheme-name>distributed</scheme-name>
<service-name>sample</service-name>
<thread-count>20</thread-count>
<backing-map-scheme>
<read-write-backing-map-scheme>
<internal-cache-scheme>
<local-scheme>
<expiry-delay>10s</expiry-delay>
</local-scheme>
</internal-cache-scheme>
<cachestore-scheme>
<class-scheme>
<class-name>
com.sample.CustomCacheStore
</class-name>
</class-scheme>
</cachestore-scheme>
<refresh-ahead-factor>0.5</refresh-ahead-factor>
</read-write-backing-map-scheme>
</backing-map-scheme>
<autostart>true</autostart>
</distributed-scheme>
</caching-schemes>
</cache-config>
,如果我請求我的服務用一段6S的(10S * 0.5)秒一切都很好。我沒有延遲迴應(第一次除外),但是如果我改變一個時間段爲3秒,那麼我開始每10秒延遲一次。我不知道爲什麼會發生。看起來如果我在預期的時間段(從5到10秒)之前請求我的服務,即使之後我再次請求異步加載也不會發生。有沒有任何解釋,我怎麼能繞過這種行爲?
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