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CN102984267B - Distributed caching node for realizing the method for dynamically updating a client system and - Google Patents

Distributed caching node for realizing the method for dynamically updating a client system and Download PDF

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CN102984267B
CN102984267B CN 201210526492 CN201210526492A CN102984267B CN 102984267 B CN102984267 B CN 102984267B CN 201210526492 CN201210526492 CN 201210526492 CN 201210526492 A CN201210526492 A CN 201210526492A CN 102984267 B CN102984267 B CN 102984267B
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CN 201210526492
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CN102984267A (en )
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何洲
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北京搜狐新媒体信息技术有限公司
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Abstract

本发明公开了一种实现分布式缓存节点动态更新到客户端的方法及系统,包括:根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口;将该新增可用缓存节点的IP地址和端口增加到缓存节点集合中;根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口;将该不可用缓存节点的IP地址和端口从缓存节点集合中删除;在客户端应用所述缓存节点集合使客户端将访问请求发送到所述缓存节点集合中的缓存节点,实现了删除的故障缓存节点能够及时从客户端的节点集合中删除,新增的缓存节点能够及时为客户端服务的目的。 The present invention discloses a method for implementing a distributed cache node to dynamically update the client system and method, comprising: in accordance with the received notification of available new cache node, to obtain new IP address and port available cache node; the new available cache node IP address and port cache nodes added to the set; not according to the received deletion notification cache node, to obtain IP address and port unavailable cache node; the IP address and port is not available from the cache node remove the collection cache node; in the caching node client application enables the client to set access request to the cache node caching node set, the failure to achieve the deleted node can be promptly removed from cache set of the client node, the new cache node in time for client service purposes.

Description

一种实现分布式缓存节点动态更新到客户端的方法及系统 Distributed caching node for realizing the method for dynamically updating a client system and

技术领域 FIELD

[0001]本发明涉及分布式缓存领域,特别涉及一种实现分布式缓存节点动态更新到客户端的方法及系统。 [0001] The present invention relates to a distributed cache, and in particular, to a node implementing distributed caching system and method to dynamically update the client.

背景技术 Background technique

[0002]分布式缓存由于其性能强大、协议简单、调用高效的优点,使其在互联网中得到广泛应用。 [0002] Due to its strong performance distributed caching, protocol is simple, efficient call advantages, it has been widely used in the Internet. 当局部缓存节点故障时,可以通过将故障节点删除,新增缓存节点保证分布式缓存的尚效率服务。 When the local cache node fails, you can delete the faulty node, the new node cache distributed cache still ensure efficient service.

[0003]但是,在分布式缓存提供高效率服务的同时,忽略了客户端缓存节点维护的问题。 [0003] However, in a distributed cache to provide an efficient service, while ignoring the problem of client-side caching node maintenance. 目前客户端要使用分布式缓存节点,需要预先将分布式缓存节点的集合配置到客户端,由客户端把要存储的数据分布在各个缓存节点上。 Currently distributed cache to the client nodes, it is necessary to set the configuration of the distributed cache node to the client, the client data to be stored on each cache node in the distribution. 然而,客户端所配置的缓存节点是预先静态配置的固定的节点集合,在后续分布式缓存节点故障时,所删除的故障节点不能及时从客户端的节点集合中删除,为了保证正常服务新增的节点也不能及时为客户端服务,导致客户端可用的节点越来越少,无法达到高速率存取的效果。 However, the fixed node cache node client is pre-configured static configuration set, delete the failed node can not promptly removed from the client's set of nodes on subsequent distributed cache node failures, in order to ensure normal service new node can not be in time for client service, leading to the client node can be used less and less, can not achieve the effect of high-speed access.

发明内容 SUMMARY

[0004]有鉴于此,本发明的主要目的在于提供一种实现分布式缓存节点动态更新到客户端的方法及系统以实现删除的故障缓存节点能够及时从客户端的节点集合中删除,新增的缓存节点能够及时为客户端服务的目的。 [0004] In view of this, the main object of the present invention is to provide a distributed cache node implemented method and system to dynamically update the client's failure to achieve cache node from the deleted node can be deleted promptly set in the client, the new cache in time for the client node can serve the purpose.

[0005]本发明提供了一种实现分布式缓存节点动态更新到客户端的方法,该方法包括: [0005] The present invention provides a method for implementing a distributed cache node dynamically updates to the client, the method comprising:

[0006]根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端P; [0006] According to the received notification available new cache node, cache node available to receive the additional IP address and port P;

[0007]将该新增可用缓存节点的IP地址和端口增加到缓存节点集合中; [0007] The cache node available new IP address and port increases cache node set;

[0008]根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端P; [0008] According to the received deletion notification cache node is not available, unavailable cache node obtained IP address and port P;

[0009]将该不可用缓存节点的IP地址和端口从缓存节点集合中删除; [0009] The node is not removed from the cache with the set of IP address and port cache node;

[0010]在客户端应用所述缓存节点集合使客户端将访问请求发送到所述缓存节点集合中的缓存节点。 [0010] In the client application so that the set of nodes caching the client transmits an access request to a cache node in the set of nodes caching.

[0011]可选地,所述根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口,具体在客户端通过监听所述通知获得; [0011] Alternatively, the additional available according to the received notification cache node, to obtain new IP address and port available cache node, the notification client in particular obtained by listening;

[0012]所述将该新增可用缓存节点的IP地址和端口增加到缓存节点集合中,具体在客户端将该新增可用缓存节点的IP地址和端口增加到客户端的缓存节点集合中; [0012] The cache node, the new available IP address and port set cache node increases, particularly in the client IP address and port can be used to add increased cache node caching node set in the client;

[0013]所述根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口,具体在客户端通过监听所述通知获得; [0013] According to the received deletion notification cache node is unavailable, to obtain IP address and port cache node is unavailable, the client specific listener by obtaining the notification;

[0014]所述将该不可用缓存节点的IP地址和端口从缓存节点集合中删除,具体从客户端的缓存节点集合中删除。 [0014] The not delete the IP address and port from the cache node caching node set, specifically removed from the cache in the client node set.

[0015]可选地,所述根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口,具体在状态服务器端通过监听所述通知获得; [0015] Alternatively, the additional available according to the received notification cache node, to obtain new IP address and port available cache node, the specific state is obtained by the notification server monitor;

[0016]所述将该新增可用缓存节点的IP地址和端口增加到缓存节点集合中,具体在状态服务器端将该新增可用缓存节点的IP地址和端口增加到状态服务器的缓存节点集合中; [0016] The add the IP address and port available cache node caching node set is increased, particularly the new cache node caching nodes available IP address and port it to the state collection of servers in the server status ;

[0017]所述根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口,具体在状态服务器端通过监听所述通知获得; [0017] According to the received deletion notification cache node is unavailable, unusable obtained IP address and port cache node, in particular by monitoring the state of the server to get the notification;

[0018]所述将该不可用缓存节点的IP地址和端口从缓存节点集合中删除,具体从状态服务器的缓存节点集合中删除; [0018] The not delete the IP address and port from the cache node caching node set, particularly collective state removed from the cache server node;

[0019]将所述缓存节点集合作为客户端的缓存节点集合之前,还将所述缓存节点集合从状态服务器端发送到所述客户端。 [0019] The node set cache as cache node before collection on the client, the cache will be transmitted from the node set state server to the client.

[0020]可选地,所述将缓存节点集合从状态服务器端发送到客户端具体在当前时间距离上一次将缓存节点集合从状态服务器端发送到客户端的时间的时间间隔等于定时时间时发送。 [0020] Alternatively, the set of nodes sent from the cache server to a client state a specific set of nodes sent to the cache state is sent from the server to the client time interval equal to the time at regular time from the current time.

[0021]可选地,所述将缓存节点集合从状态服务器端发送到客户端具体在接收到客户端更新缓存节点集合请求时发送。 [0021] Alternatively, the cache state from the set of nodes sent to the client server receiving the specific client sends a cache update request to the node set.

[0022]可选地,所述客户端具体在连接缓存节点失败时向状态服务器发送所述更新缓存节点集合请求。 [0022] Alternatively, the specific client cache node sending the update request to set the connection status of the server cache node fails.

[0023]可选地,所述客户端具体在监听到状态服务器发送更新通知时,向状态服务器发送所述更新缓存节点集合请求; [0023] Alternatively, the client specific state in a monitored server sends an update notification, sending the request to update the cache state server node set;

[0024]所述状态服务器端具体在将新增可用缓存节点的IP地址和端口增加到状态服务器的缓存节点集合时和将不可用缓存节点的IP地址和端口从缓存节点集合中删除时,发送更新通知。 [0024] The particular state when the server is available when the new set of caching node IP address and port it to the state of the cache node and a server IP address and port unavailable cache node caching node removed from the collection, transmission update notification.

[0025]可选地,所述接收新增可用缓存节点的通知和所述删除不可用缓存节点的通知具体从缓存监控服务器获得; [0025] Alternatively, the receiving buffer is available new node and the deletion notification is not obtained from the particular server cache monitor for notification cache node;

[0026]其中所述缓存监控服务器具体通过以下步骤生成新增可用缓存节点的通知和删除不可用缓存节点的通知: [0026] wherein the specific cache server monitoring by the steps of generating a new notification available cache node and deleting non notification cache node:

[0027]通过获得新增缓存节点的IP地址和端口,生成新增可用缓存节点的通知,所述通知包括该新增缓存节点的IP地址和端口,且将该IP地址和端口保存在缓存监控服务器的缓存节点集合中; [0027] By obtaining the new cache node, IP address and port, the available cache node generates a new notification, the notification including the IP address and port new cache node, and the IP address and port number stored in the cache monitor server cache node set;

[0028]从保存的缓存节点集合获得缓存节点的IP地址和端口,向各个缓存节点发出访问,在没收到缓存节点的反馈时,生成删除不可用缓存节点的通知,所述通知包括该没收到反馈的缓存节点的IP地址和端口。 [0028] obtained from the cache node maintains a set of the IP address and port cache node, issuing an access to each caching node, when no feedback is received cache node, generating a notification to delete cache node is unavailable, which did not receive the notification comprises IP address and port feedback cache node.

[0029]本发明还提供一种实现分布式缓存节点动态更新到客户端的系统,该系统包括: [0029] The present invention further provides for implementing a distributed cache node dynamically updates to the client system, the system comprising:

[0030]缓存节点更新模块:用于根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口,将该新增可用缓存节点的IP地址和端口增加到缓存节点集合中,根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口,将该不可用缓存节点的IP地址和端口从缓存节点集合中删除; [0030] The cache node update module: according to the received notification, the new available cache node, to obtain new IP address and port available cache node, the new IP address and port cache node increases the available cache node collection, according to the received deletion notification cache node is not available, unavailable cache node obtained IP address and port, the node is not removed from the cache with the set of IP address and port cache node;

[0031]客户端更新模块:用于在客户端应用所述缓存节点集合使客户端将访问请求发送到所述缓存节点集合中的缓存节点。 [0031] The client update module: means for applying the set of client caching node having the client transmits an access request to the cache node in the set of nodes caching.

[0032]可选地,所述缓存节点更新模块:具体用于在客户端根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口,将该新增可用缓存节点的IP地址和端口增加到客户端的缓存节点集合中,根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口,将该不可用缓存节点的IP地址和端口从客户端的缓存节点集合中删除。 [0032] Alternatively, the caching node update module: specifically for the client based on the received notification of available new cache node, to obtain new IP address and port available cache node, the new cache available cache node set IP address and port increase client node, according to the received deletion notification cache node is not available, to obtain IP address and port unavailable cache node, the IP address and port is not available from the cache node delete the collection client cache node.

[0033]可选地,所述缓存节点更新模块:具体用于在状态服务器端根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口,将该新增可用缓存节点的IP地址和端口增加到状态服务器的缓存节点集合中,根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口,将该不可用缓存节点的IP地址和端口从状态服务器的缓存节点集合中删除; [0033] Alternatively, the caching node update module: a status of a particular server based on the received notification of available new cache node, to obtain new IP address and port available cache node, the new available set cache node caching node IP address and port it to the state of the server, according to the received delete cache node unavailable notification to obtain IP address and port unavailable cache node, the IP address is not available and the cache node port state set of nodes removed from the cache server;

[0034]所述缓存节点更新模块:还用于将所述缓存节点集合从状态服务器端发送到在客户端的客户端更新模块。 [0034] The caching node update module: the caching node further configured to set the state transmitted from the server to the client in a client update module.

[0035]可选地,所述缓存节点更新模块:具体用于从缓存监控服务器接收新增可用缓存节点的通知和删除不可用缓存节点的通知; [0035] Alternatively, the caching node update module: specifically configured to receive a notification of available new cache node and a server is not removed from the cache to monitor notification cache node;

[0036]缓存监控服务器:用于通过获得新增缓存节点的IP地址和端口,生成新增可用缓存节点的通知,所述通知包括该新增缓存节点的IP地址和端口,且将该IP地址和端口保存在缓存监控服务器的缓存节点集合中,通过保存的缓存节点集合获得缓存节点的IP地址和端口,向各个缓存节点发出访问,在没收到缓存节点的反馈时,生成删除不可用缓存节点的通知,所述通知包括该没收到反馈的缓存节点的IP地址和端口。 [0036] cache monitor server: means for obtaining additional cache node through the IP address and port, generate additional available cache node notification, the notification including the IP address and port new cache node, the IP address and and port stored in the cache node-set cache monitor server, set obtaining IP address and port cache node by saving the cache node, issuing an access to each cache node, when not received feedback cache node, generating a deletion unavailable cache node notification, the notification including the cache nodes do not receive feedback of the IP address and port.

[0037]可见本发明具有如下有益效果: [0037] it is seen that the present invention has the following advantages:

[0038]由于本发明根据所接收的新增可用缓存节点的通知和删除不可用缓存节点的通知,及时得到新增和不可用缓存节点的IP地址和端口,将新增缓存节点的IP地址和端口增加到缓存节点集合中,将不可用缓存节点的IP地址和端口从缓存节点集合中删除,从而得到动态更新的可用缓存节点的集合,在客户端应用所述缓存节点集合使客户端将访问发送到可用节点,实现了删除的故障缓存节点能够及时从客户端的节点集合中删除,新增加的缓存节点能够及时为客户端服务的目的。 [0038] Since the present invention can be deleted and unavailable notification notifies the cache node caching node based on the received new, timely and new IP addresses and ports with non-cache node, add the IP address and the cache node increased port cache node set, can not be deleted with the IP address and port from the cache node caching node set to obtain a set of dynamically updating the available cache node, the client application so that the client node set cache access sent to an available node, the failure to achieve cache nodes removed timely removed from the set of nodes of the client, the purpose of the newly added cache node in time for client services.

附图说明 BRIEF DESCRIPTION

[0039]图1是本发明一种实现分布式缓存节点动态更新到客户端的方法的流程图; [0039] FIG. 1 is an implementation of the present invention dynamically updates the distributed cache node flowchart of a method of the client;

[0040]图2是本发明一种实现分布式缓存节点动态更新到客户端的系统的组成图; [0040] FIG. 2 is an implementation of the present invention dynamically updates the distributed cache node consisting of a system diagram of a client;

[0041]图3是本发明一种实现分布式缓存节点动态更新到客户端的系统的一实施例组成图; [0041] FIG. 3 is an implementation of the present invention, a distributed cache node to dynamically update the client's system composition diagram of an embodiment;

[0042]图4是本发明一种实现分布式缓存节点动态更新到客户端的系统的另一实施例组成图。 [0042] FIG. 4 is an implementation of the present invention is distributed to the other cache node dynamically update the client's system embodiment of FIG composition.

具体实施方式 detailed description

[0043]为使本发明的上述目的、特征和优点能够更加明显易懂,下面结合附图和具体实施方式对本发明实施例作进一步详细的说明。 [0043] For the above-described objects, features and advantages of the invention more apparent, the following embodiments of the present invention in conjunction with the accompanying drawings and specific embodiments described in further detail.

[0044]参见图1,为本发明提供的一种实现分布式缓存节点动态更新到客户端的方法的流程图,如图所示,该方法包括: [0044] Referring to Figure 1, an implementation of the flowchart as shown in FIG distributed cache node to dynamically update the client's method provided by the present invention, the method comprising:

[0045] S101、根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口; [0045] S101, based on the received notification of available new cache node, cache node can be used to obtain new IP addresses and ports;

[0046] S102、将该新增可用缓存节点的IP地址和端口增加到缓存节点集合中; [0046] S102, the new available cache node IP address and port increases cache node set;

[0047] S103、根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口; [0047] S103, according to the received deletion notification cache node is not available, can not be obtained with IP address and port cache node;

[0048] S104、将该不可用缓存节点的IP地址和端口从缓存节点集合中删除; [0048] S104, the unavailable cache node IP address and port from the caching node set;

[0049] S105、在客户端应用所述缓存节点集合使客户端将访问请求发送到所述缓存节点集合的缓存节点。 [0049] S105, the application in the client cache node set so that the client transmits an access request to the cache node caching node set.

[0050]应用该实施例实现的方法,根据所接收的新增可用缓存节点的通知和删除不可用缓存节点的通知,及时得到新增和不可用缓存节点的IP地址和端口,将新增缓存节点的IP地址和端口增加到缓存节点集合中,将不可用缓存节点的IP地址和端口从缓存节点集合中删除,从而得到动态更新的可用缓存节点的集合,在客户端应用所述缓存节点集合使客户端将访问发送到可用节点,实现了删除的故障缓存节点能够及时从客户端的节点集合中删除,新增加的缓存节点能够及时为客户端服务的目的。 Method implemented [0050] Application of this embodiment, notification and non notification delete cache node, and not timely new IP addresses and port-buffer node according to the received additional available cache node, the buffer will add IP address and port of the node set is increased, will not be removed from the cache with a cache node in the node set IP address and port cache node, to thereby obtain a dynamically updated set of available cache node, the client application of the set of nodes caching the client will send access to available nodes, the failure to achieve cache nodes removed timely removed from the set of nodes of the client, the purpose of the newly added cache node in time for client services.

[0051 ]在本发明的一个实施例中,该方法步骤SlOl到S104可以在客户端完成,具体地: [0051] In one embodiment of the present invention, the method steps SlOl to S104 can be completed in the client, in particular:

[0052]其中,步骤SlOl根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口,具体在客户端通过监听所述通知获得; [0052] wherein, in step SlOl can be used according to the received notification new cache node, to obtain new IP address and port available cache node, the notification client in particular obtained by listening;

[0053]其中,步骤S102所述将该新增可用缓存节点的IP地址和端口增加到缓存节点集合中,具体在客户端将该新增可用缓存节点的IP地址和端口增加到客户端的缓存节点集合中; [0053] wherein, the step S102 the new available cache node IP address and port set cache node increases, particularly in the client cache node caching nodes available new IP address and port of the client side increase collection;

[0054]其中,步骤S103所述根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口,具体在客户端通过监听所述通知获得; [0054] wherein the step according to the received deletion notification cache node is unavailable, unusable obtained IP address and port cache node, by listening to the specific client in the notification S103 is obtained;

[0055]其中,步骤S104所述将该不可用缓存节点的IP地址和端口从缓存节点集合中删除,具体从客户端的缓存节点集合中删除。 [0055] wherein, the step S104 can not be deleted by the IP address and port from the cache node caching node set, specifically removed from the cache in the client node set.

[0056]在本发明的另一实施例中,步骤SlOl到S104可以在状态服务器端完成,具体地: [0056] embodiment, step SlOl to S104 can be done in the state of the server side In another embodiment of the present invention, in particular:

[0057]其中,步骤SlOl所述根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口,具体在状态服务器端通过监听所述通知获得; [0057] wherein said step SlOl can be used according to the received notification new cache node, to obtain new IP address and port available cache node, the specific state is obtained by the notification server monitor;

[0058]其中,步骤S102所述将该新增可用缓存节点的IP地址和端口增加到缓存节点集合中,具体在状态服务器端将该新增可用缓存节点的IP地址和端口增加到状态服务器的缓存节点集合中; [0058] wherein the set of IP addresses and ports increase the available cache node caching nodes the add this step S102, specifically, the state of the server cache node available new IP address and port it to the state of the server cache node set;

[0059]其中,步骤S103所述根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口,具体在状态服务器端通过监听所述通知获得; [0059] wherein, the step S103 according to the received deletion notification cache node is not available, unavailable obtained IP address and port cache node, in particular the notification server by monitoring state;

[0060]其中,步骤S104所述将该不可用缓存节点的IP地址和端口从缓存节点集合中删除,具体从状态服务器的缓存节点集合中删除; [0060] wherein, the step S104 can not be deleted by the IP address and port from the cache node caching node set, particularly collective state removed from the cache server node;

[0061]而且,在该实施例中,将所述缓存节点集合作为客户端的缓存节点集合之前,还将所述缓存节点集合从状态服务器端发送到所述客户端; [0061] Further, in this embodiment, the node set as the cache node caching client before collection, the caching node set also transmitted from the state server to the client;

[0062]其中,所述将缓存节点集合从状态服务器端发送到客户端具体可以在当前时间距离上一次将缓存节点集合从状态服务器端发送到客户端的时间的时间间隔等于定时时间时发送; [0062] wherein the cache state from the set of nodes sent to the server once the client may specifically be set to the current time transmitted from the node cache status from the server to the client time interval equal to the time the transmission timing of time;

[0063]还可以在接收到客户端更新缓存节点集合请求时发送。 [0063] may also be sent when the client receives the set of nodes caching the update requester.

[0064]其中,所述客户端具体可以在连接缓存节点失败时向状态服务器发送所述更新缓存节点集合请求。 [0064] wherein, the client may send a particular set of nodes caching the update request when the connection status to the cache server node fails.

[0065]还可以在监听到状态服务器发送更新通知时,向状态服务器发送所述更新缓存节点集合请求,其中,所述状态服务器端具体在将新增可用缓存节点的IP地址和端口增加到状态服务器的缓存节点集合时和将不可用缓存节点的IP地址和端口从缓存节点集合中删除时,发送更新通知。 [0065] may also be in a listening state to the server sends an update notification, the server transmits a state request to update the cache node set, wherein the state server to add the specific IP address and port it to the state of available cache node when the set will not be deleted from the cache and set cache node server node with the IP address and port cache node sends update notification.

[0066]需要说明的是,其中,步骤S105在客户端应用所述缓存节点集合使客户端将访问请求发送到所述缓存节点集合中的缓存节点,具体可以在客户端应用所述缓存节点集合,采用哈希算法将客户端的访问发送到各个可用缓存节点IP地址和端口。 [0066] Incidentally, wherein the client application at step S105 the caching node set having the client an access request to the cache node caching node set, particularly in the client application can set the caching node using hashing algorithm client access to each of the available transmission cache node IP address and port.

[0067]应用该实施例实现的方法,在状态服务器端动态更新可用缓存节点的集合,可以使得各个客户端均从状态服务器获取动态更新的可用缓存节点的集合,保持分布式缓存节点在各个客户端的一致性,使可用的缓存节点都能够及时应用到各个客户端,而不必由各个客户端各自负责缓存节点的动态更新,提高了缓存节点更新的效率和一致性。 Method implemented [0067] Application of this embodiment, the set of available cache node dynamically updating the status of the server, such that each client may obtain each set of the dynamically updated status of available cache node from the server, the client distributed cache held in each node consistency end of the cache node available in a timely manner can be applied to each client, rather than by the individual responsible for each client node dynamically update the cache, the cache node updates improve the efficiency and consistency.

[0068]下面对在以上实施例中步骤SlOl和步骤S103所述接收的通知进行解释,具体地,所述接收新增可用缓存节点的通知和所述删除不可用缓存节点的通知具体可以从缓存监控服务器获得,其中,所述缓存监控服务器具体可以通过以下步骤生成新增可用缓存节点的通知和删除不可用缓存节点的通知: [0068] Next, S103 will be explained in the notification received in step SlOl embodiment and the above embodiment step, in particular, the caching node receiving the new notification of available and unavailable delete the specific notification from the caching node cache server obtains monitoring, wherein said monitoring of the cache server may generate a notification to add specific cache node is available and unavailable deletion notification cache node by the following steps:

[0069]通过获得新增缓存节点的IP地址和端口,生成新增可用缓存节点的通知,所述通知包括该新增缓存节点的IP地址和端口,且将该IP地址和端口保存在缓存监控服务器的缓存节点集合中; [0069] By obtaining the new cache node, IP address and port, the available cache node generates a new notification, the notification including the IP address and port new cache node, and the IP address and port number stored in the cache monitor server cache node set;

[0070]从保存的缓存节点集合获得缓存节点的IP地址和端口,向各个缓存节点发出访问,在没收到缓存节点的反馈时,生成删除不可用缓存节点的通知,所述通知包括该没收到反馈的缓存节点的IP地址和端口。 [0070] obtained from the cache node maintains a set of the IP address and port cache node, issuing an access to each caching node, when no feedback is received cache node, generating a notification to delete cache node is unavailable, which did not receive the notification comprises IP address and port feedback cache node.

[0071]在本发明中应用缓存监控服务器向缓存节点发出访问,保持与缓存节点的通讯,在没收到缓存节点的反馈时,可以确定该缓存节点故障不可用,返回删除不可用缓存节点的通知,可以实现及时发现节点故障的目的;获得新增缓存节点的IP地址和端口后,将该IP地址和端口保存在缓存监控服务器的缓存节点集合中,并发出新增可用缓存节点的通知,可以实现使客户端的节点集合及时获得新增节点的目的,需要说明的是,该生成新增缓存节点的通知和删除不可用缓存节点的通知的缓存监控服务器仅仅是本发明的一种实施方式,在本发明方法基础上,还可以有其他获得新增缓存节点的通知和删除不可用缓存节点的通知的方法,本发明在此方面不受任何限制。 [0071] Application of the present invention, cache monitor server issues an access to the caching node, maintaining communications cache node and, when no feedback is received cache node, it may determine that the caching nodes the fault is not available, returns deletion notification unavailable cache node , the destination node may be implemented to detect failures; after obtaining the new cache node IP address and port, the port and IP address set stored in the cache node cache monitor server, and issues a new notification available cache node may be implemented so that the client node sets the new node timely purposes, it is noted that the new cache node generates notification and delete the cache monitor unavailable notification server cache node is only one embodiment of the present invention, the method of the present invention is based on, there can be other notifications received new cache node and deleting cache node unavailable notification method, the present invention is not limited in this respect.

[0072]参见图2,为本发明提供的一种实现分布式缓存节点动态更新到客户端的系统,如图所示,该系统包括: [0072] Referring to Figure 2, an implementation of a distributed caching node providing dynamic updates to the client system, as shown in FIG present invention, the system comprising:

[0073]缓存节点更新模块201:用于根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口,将该新增可用缓存节点的IP地址和端口增加到缓存节点集合中,根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口,将该不可用缓存节点的IP地址和端口从缓存节点集合中删除; [0073] The cache node update module 201: according to the received notification available new cache node, to obtain new IP address and port available cache node, the new IP address and port available cache node caching increases node set, not according to the received deletion notification cache node, cache node unavailable is obtained IP address and port, the node is not removed from the cache with the set of IP address and port cache node;

[0074]客户端更新模块202:用于在客户端应用所述缓存节点集合使客户端将访问请求发送到所述缓存节点集合中的缓存节点。 [0074] The client update module 202: a client application for the caching node set having the client transmits an access request to the cache node in the set of nodes caching.

[0075]在本发明系统的一个实施例中,参见图3,所述缓存节点更新模块301:具体可以用于在客户端根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口,将该新增可用缓存节点的IP地址和端口增加到客户端的缓存节点集合中,根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口,将该不可用缓存节点的IP地址和端口从客户端的缓存节点集合中删除; [0075] In one embodiment of the present inventive system embodiment, referring to FIG. 3, the caching node update module 301: the client may be specifically configured based on the received notification of available new cache node, cache node available to receive the additional the IP address and port, the new set of caching nodes IP address and port of the client increases the available cache node, based on the received notification is not deleted cache node, obtaining IP address and port unavailable cache node, the set of nodes can not be removed from the cache the client's IP address and port cache node;

[0076]所述客户端更新模块302:具体可以用于从所述缓存节点更新模块301接收所述缓存节点集合,在客户端应用所述缓存节点集合使客户端将访问请求发送到所述缓存节点集合中的缓存节点。 [0076] The client update module 302: specifically for receiving node updates the cache from the cache module 301 is a set of nodes, the client application so that the client node set cache access request to the buffer cache node in the collection.

[0077]在本发明系统的另一个实施例中,参见图4,所述缓存节点更新模块401:具体可以用于在状态服务器端根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口,将该新增可用缓存节点的IP地址和端口增加到状态服务器的缓存节点集合中,根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口,将该不可用缓存节点的IP地址和端口从状态服务器的缓存节点集合中删除; [0077] In the present invention, another embodiment of the system, referring to FIG. 4, the caching node update module 401: used to specifically state the server is available according to the received notification new cache node, to receive the additional available IP address and port cache node, the new set of caching nodes IP address and port it to the state cache available to the server node, in accordance with the received delete cache node unavailable notification to obtain an IP address is not available cache node and the port, the node is not removed from the cache server with the status set IP address and port cache node;

[0078]所述缓存节点更新模块401:还用于将所述缓存节点集合从状态服务器发送到所述客户端; [0078] The buffer update module 401 node: node further configured to set the cache state is sent from the server to the client;

[0079]所述客户端更新模块402:具体可以用于从在状态服务器端的缓存节点更新模块401接收所述缓存节点集合,在客户端应用所述缓存节点集合使客户端将访问请求发送到所述缓存节点集合中的缓存节点。 [0079] The client update module 402: may be used to specifically state from the server side caching nodes update module 401 receives the set of nodes caching in the caching node client application enables the client to set the access request is sent to the said cache node caching node set.

[0080]其中,上述系统实施例中所述缓存节点更新模块301和401:具体可以用于从缓存监控服务器接收新增可用缓存节点的通知和删除不可用缓存节点的通知; [0080] wherein the above-described embodiment, the cache update system according to the node module 301 and 401: specifically available for receiving a new cache node from the server cache monitor unavailable notification and deletion notification cache node;

[0081]其中,所述缓存监控服务器303和403:具体可以用于通过获得新增缓存节点的IP地址和端口,生成新增可用缓存节点的通知,所述通知包括该新增缓存节点的IP地址和端口,且将该IP地址和端口保存在缓存监控服务器的缓存节点集合中,通过保存的缓存节点集合获得缓存节点的IP地址和端口,向各个缓存节点发出访问,在没收到缓存节点的反馈时,生成删除不可用缓存节点的通知,所述通知包括该没收到反馈的缓存节点的IP地址和端口。 [0081] wherein the cache server 303 and monitor 403: may be used in particular by obtaining the new cache node, IP address and port, can be used to generate new cache node notification, the notification including the new cache node IP address and port, and the IP address and port stored in the cache node-set cache monitor server, set obtaining IP address and port cache node by node stored in the cache, issuing an access to each cache node in the cache node is not received feedback, generates a deletion cache node unavailable notification, the notification including the cache nodes do not receive feedback of the IP address and port.

[0082]需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。 [0082] Incidentally, herein, relational terms such as first and second and the like are only used to distinguish one entity or operation from another entity or action without necessarily requiring or implying these entities the presence of any such actual relationship or order between or operations. 而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。 Further, the term "comprising", "containing" or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, article, or apparatus not include only those elements but not expressly listed further comprising the other elements, or further comprising such process, method, article, or apparatus inherent elements. 在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。 Without more constraints, by the wording "include a ......" defined does not exclude the existence of additional identical elements in the element comprising a process, method, article, or apparatus.

[0083]以上所述仅为本发明的较佳实施例而已,并非用于限定本发明的保护范围。 [0083] The foregoing is only preferred embodiments of the present invention but are not intended to limit the scope of the present invention. 凡在本发明的精神和原则之内所作的任何修改、等同替换、改进等,均包含在本发明的保护范围内。 Any modifications within the spirit and principle of the present invention, equivalent substitutions, improvements, etc., are included within the scope of the present invention.

Claims (8)

  1. 1.一种实现分布式缓存节点动态更新到客户端的方法,其特征在于,包括: 根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口; 将该新增可用缓存节点的IP地址和端口增加到缓存节点集合中; 根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口; 将该不可用缓存节点的IP地址和端口从缓存节点集合中删除; 在客户端应用所述缓存节点集合使客户端将访问请求发送到所述缓存节点集合中的缓存节点,使删除的缓存节点能够及时从客户端的缓存节点集合中删除,新增加的缓存节点能够及时为客户端服务; 其中,所述根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口,具体在客户端通过监听所述通知获得; 所述将该新增可用缓存节点的IP地址和端口增加到缓存节点集合中 An implement a distributed cache node to the dynamic update method of the client, characterized by comprising: based on the received notification of available new cache node, to obtain new IP address and port available cache node; the new available cache node IP address and port cache nodes added to the set; not according to the received deletion notification cache node, to obtain IP address and port unavailable cache node; the IP address and port is not available from the cache node remove the collection cache node; the client application so that the client node set cache access request to cache node in the set of nodes caching the cache node deletes from the cache can be deleted promptly set the client node, the new increased cache node timely service to clients; wherein said additional available based on the received notification cache node, to obtain new IP address and port available cache node, the notification client in particular obtained by listening; the cache node, the new available IP address and port cache node added to the collection ,具体在客户端将该新增可用缓存节点的IP地址和端口增加到客户端的缓存节点集合中; 所述根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口,具体在客户端通过监听所述通知获得; 所述将该不可用缓存节点的IP地址和端口从缓存节点集合中删除,具体从客户端的缓存节点集合中删除;或, 所述根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口,具体在状态服务器端通过监听所述通知获得; 所述将该新增可用缓存节点的IP地址和端口增加到缓存节点集合中,具体在状态服务器端将该新增可用缓存节点的IP地址和端口增加到状态服务器的缓存节点集合中; 所述根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口,具体在状态服务器端通过监听所述通知获得; 所述将 , The specific IP address and port can be used to add increased client cache node caching node set in the client; deleted according to the received notification cache node is not available, obtaining an IP address is not available cache node and port , in particular obtained by the client notifies the listener; not removed from the cache of the node set cache node IP address and port, specifically removed from the cache in the client node set; or, according to the received Add notification available cache node, to obtain new IP address and port available cache node, the server obtaining the specific state by listening to the notification; the available cache node, the new IP address and port increases cache node collection, particularly in the state of the server the new set of IP addresses available cache node caching node and port it to the state of the server; unavailable to delete the cache according to the notification received by the node, cache node unavailable is obtained IP address and port, the server obtaining the specific state by listening to the notification; the said 不可用缓存节点的IP地址和端口从缓存节点集合中删除,具体从状态服务器的缓存节点集合中删除; 将所述缓存节点集合作为客户端的缓存节点集合之前,还将所述缓存节点集合从状态服务器端发送到所述客户端; 其中,所述在客户端应用所述缓存节点集合使客户端将访问请求发送到所述缓存节点集合中的缓存节点,具体可以为:在客户端应用所述缓存节点集合,采用哈希算法将客户端的访问发送到各个可用缓存节点IP地址和端口。 Can not be deleted with the IP address and port from the cache node caching node set, particularly collective state removed from the cache server node; caching node prior to the collection of nodes set as a cache of the client, the cache will be set from the state node the server sends to the client; wherein the set having the client transmits an access request to the cache node in the set of nodes caching the client application to the caching node may specifically be: in the client application caching node set, using the hashing algorithm to send each client access to the available cache node IP address and port.
  2. 2.根据权利要求1所述的方法,其特征在于,所述将缓存节点集合从状态服务器端发送到客户端具体在当前时间距离上一次将缓存节点集合从状态服务器端发送到客户端的时间的时间间隔等于定时时间时发送。 2. The method according to claim 1, wherein said set of cache node transmitted from the presence server to a client to set a specific time in the current state transmitted from the node from the server cache to a client time when the timer is equal to the transmission time interval.
  3. 3.根据权利要求1所述的方法,其特征在于,所述将缓存节点集合从状态服务器端发送到客户端具体在接收到客户端更新缓存节点集合请求时发送。 3. The method according to claim 1, wherein said set of cache node transmitted from the presence server to a client in particular when the transmission buffer receives the client terminal node sets the update request.
  4. 4.根据权利要求3所述的方法,其特征在于,所述客户端具体在连接缓存节点失败时向状态服务器发送所述更新缓存节点集合请求。 4. The method according to claim 3, characterized in that, in the specific client connection cache node sending the update request to set the state of the server cache node fails.
  5. 5.根据权利要求3所述的方法,其特征在于,所述客户端具体在监听到状态服务器发送更新通知时,向状态服务器发送所述更新缓存节点集合请求; 所述状态服务器端具体在将新增可用缓存节点的IP地址和端口增加到状态服务器的缓存节点集合时和将不可用缓存节点的IP地址和端口从缓存节点集合中删除时,发送更新通知。 5. The method according to claim 3, wherein said client specific state in a monitored server sends an update notification, sending the update request to the set of nodes caching server state; the state of the server in the specific when the set can not be deleted from the cache and set the new node available cache node IP address and port it to the state of the server cache node with IP address and port cache node sends update notifications.
  6. 6.根据权利要求1所述的方法,其特征在于,所述接收新增可用缓存节点的通知和所述删除不可用缓存节点的通知具体从缓存监控服务器获得; 其中所述缓存监控服务器具体通过以下步骤生成新增可用缓存节点的通知和删除不可用缓存节点的通知: 通过获得新增缓存节点的IP地址和端口,生成新增可用缓存节点的通知,所述通知包括该新增缓存节点的IP地址和端口,且将该IP地址和端口保存在缓存监控服务器的缓存节点集合中; 从保存的缓存节点集合获得缓存节点的IP地址和端口,向各个缓存节点发出访问,在没收到缓存节点的反馈时,生成删除不可用缓存节点的通知,所述通知包括该没收到反馈的缓存节点的IP地址和端口。 6. The method according to claim 1, wherein said receiving a notification of available new cache node, and deleting the non-specific obtained from the cache monitor for notification server cache node; wherein the cache server in particular by monitoring the step of generating a new available notifications unavailable cache and deleting the node caching node: obtaining the new cache node through the IP address and port, the notification can be used to generate new cache node, the notification including the new cache node IP address and port, and the IP address and port stored in the cache node-set cache monitoring server; obtaining a set of IP address and port cache node node from the cache saved, issuing an access to each cache node, the cache node did not receive when the feedback, generates a deletion cache node unavailable notification, the notification including the cache nodes do not receive feedback of the IP address and port.
  7. 7.一种实现分布式缓存节点动态更新到客户端的系统,其特征在于,包括: 缓存节点更新模块:用于根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口,将该新增可用缓存节点的IP地址和端口增加到缓存节点集合中,根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口,将该不可用缓存节点的IP地址和端口从缓存节点集合中删除; 客户端更新模块:用于在客户端应用所述缓存节点集合使客户端将访问请求发送到所述缓存节点集合中的缓存节点,使删除的缓存节点能够及时从客户端的缓存节点集合中删除,新增加的缓存节点能够及时为客户端服务; 其中, 所述缓存节点更新模块:具体用于在客户端根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口,将该新增可用缓存节点 A node implementing distributed caching dynamic updates to the client system, characterized by comprising: a buffer node update module: according to the received notification available new cache node, cache node obtains an IP address can be used to add and ports can be used to add the IP address and port cache node caching node set is increased in accordance with the received delete cache node unavailable notification to obtain IP address and port cache node is unavailable, the unavailable buffer node's IP address and port from the caching node set; client update module: a client application for the caching node set having the client transmits an access request to the cache node in the set of nodes caching the deleted cache node caching node can be promptly removed from the collection on the client, the newly added node to the caching service to clients in a timely manner; wherein the caching node update module: specifically for the client according to the received available new cache node notice, obtain new IP address and port available cache node, the new node caching available IP地址和端口增加到客户端的缓存节点集合中,根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口,将该不可用缓存节点的IP地址和端口从客户端的缓存节点集合中删除;或, 所述缓存节点更新模块:具体用于在状态服务器端根据所接收的新增可用缓存节点的通知,获得新增可用缓存节点的IP地址和端口,将该新增可用缓存节点的IP地址和端口增加到状态服务器的缓存节点集合中,根据所接收的删除不可用缓存节点的通知,获得不可用缓存节点的IP地址和端口,将该不可用缓存节点的IP地址和端口从状态服务器的缓存节点集合中删除; 所述缓存节点更新模块:还用于将所述缓存节点集合从状态服务器端发送到在客户端的客户端更新模块; 其中,所述客户端更新模块用于在客户端应用所述缓存节点集合使客户端将访问请求发 Cache node set of IP address and port increase of the client, according to delete the received unavailable notification cache node, obtain an IP address and port unavailable cache node, the unusable IP address and port cache node from a client delete cache node set; or, the caching node update module: a status of a particular server based on the received notification of available new cache node, to obtain new IP address and port available cache node, the new cache node set of available cache node IP address and port it to the state of the server, based on the received notification is not deleted cache node, to obtain IP address and port cache node is unavailable, the unavailable cache node IP address and port state removed from the cache server node set; the caching node update module: the caching node further configured to set the state transmitted from the server to the client in a client update module; wherein the client update module a client application for the caching node having the client set the access request issued 到所述缓存节点集合中的缓存节点,具体可以为:在客户端应用所述缓存节点集合,采用哈希算法将客户端的访问发送到各个可用缓存节点IP地址和端口。 Cache node to said set of cache node may specifically be: a client application of the cache node set, using a hashing algorithm to send each client access to the available cache node IP address and port.
  8. 8.根据权利要求7所述的系统,其特征在于,所述缓存节点更新模块:具体用于从缓存监控服务器接收新增可用缓存节点的通知和删除不可用缓存节点的通知; 缓存监控服务器:用于通过获得新增缓存节点的IP地址和端口,生成新增可用缓存节点的通知,所述通知包括该新增缓存节点的IP地址和端口,且将该IP地址和端口保存在缓存监控服务器的缓存节点集合中,通过保存的缓存节点集合获得缓存节点的IP地址和端口,向各个缓存节点发出访问,在没收到缓存节点的反馈时,生成删除不可用缓存节点的通知,所述通知包括该没收到反馈的缓存节点的IP地址和端口。 8. The system according to claim 7, characterized in that said cache node update module: specifically configured to receive a notification of available new cache node from the server, and delete the cache monitor cache node unavailable notification; cache monitor server: by obtaining the new cache for IP address and port of the node, can be used to generate new cache node notification, the notification includes the new IP address and port cache node, and the IP address and port of the server stored in the cache monitor caching node set, the set of nodes stored in the cache obtained by the IP address and port cache node, issuing an access to each caching node, when the cache node did not receive feedback, generates a deletion cache node unavailable notification, the notification comprising It did not receive the IP address and port cache node feedback.
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