CN105045866A - Short-URL query-based CDN node hopping method and system - Google Patents
Short-URL query-based CDN node hopping method and system Download PDFInfo
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/955—Retrieval from the web using information identifiers, e.g. uniform resource locators [URL]
- G06F16/9566—URL specific, e.g. using aliases, detecting broken or misspelled links
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Abstract
The invention discloses a short-URL query-based CDN node hopping method and a short-URL query-based CDN node hopping system. The method of the invention comprises the steps as follows: using a distributed database as a storage database of short URL and actual play address long URL, and using short URL as a ROWKEY; locating a line major key via the short URL while a user queries and querying the actual play address long URL stored in a CDN node which is most adjacent to a user by combining with the IP of the user; counting the movements for querying the hopping every time with a counter, and fast responding to sink the node while the video visitor volume exceeds a threshold value and the video is used as hot video, and storing the long URL which is actually played in a sunk node while the node sinks every time so as to fast correlate the short URL and the actual play address long URL to achieve the goal of querying and locating the actual play address long URL in real time. The method and the system of the invention will not consume too many IO reading operations via the line major key and have fast query speed.
Description
Technical field
The present invention relates to content distributing network technical field, particularly relate to a kind of CDN node jump method of inquiring about based on short URL and system.
Background technology
URL(uniform resource locator) (UniformResourceLocator, URL), is also referred to as web page address, is the address of the resource of standard on the Internet.The general type of URL can be: the access mode > of <URL: //< main frame >:< port >/< path >
http:// www.wsview.com/login.action; If the character quantity that the url of an existing technology access video file comprises is more, be not easy under the environment for use having number of words to limit use and propagate, complete URL can take larger length, general video is deposited and all can be used CDN speed technology now in addition, used processing mode is after user submits a playing request to, if video server is retrieved by sheet parent name check whether CDN node disk this locality has video source not feed back again; If this solution click volume have very greatly a lot of time loss disk I/O read on, make query video and CDN node redirect speed slower.
Summary of the invention
The object of the embodiment of the present invention is to propose a kind of CDN node jump method inquired about based on short URL, retrieved by sheet source name when being intended to solve prior art CDN node query video and check CDN node disk local video source, when video server click volume, a lot of time loss is on disk I/O reads, and makes query video and the slow problem of CDN node redirect.
The embodiment of the present invention is achieved in that a kind of CDN node jump method inquired about based on short URL, and described method comprises:
Receive the playing request of the short URL of video that user is sent by client;
Querying Distributed server, and locate the storage line major key of described short URL in distributed server;
According to the storage line major key of the described short URL stored in distributed server, timestamp and User IP, inquire about from the nearest domain nodes of User IP, find the long URL that described short URL is corresponding;
Judge whether to find in nearest CDN node and store long URL corresponding to described short URL, if so, then
The long URL of described correspondence is returned to client; And the long URL access counter of described nearest CDN node corresponding stored is added 1;
Judge whether described counter exceeds the threshold value of specifying, if exceed threshold value, then judge whether described nearest CDN node is end level node, does not if so, then process, terminate; If level node of the non-end, then node sinks to generating the long URL of next stage node and be stored into distributed server, terminates.
The described CDN node jump method inquired about based on short URL,
Long URL corresponding to described short URL is stored, then if do not find in nearest CDN node
Jump to the long URL that the described short URL of even higher level of node inquiry of described corresponding region is corresponding;
Judge whether to inquire in the even higher level of node of corresponding region and store long URL corresponding to described short URL, if not, then return step and " jump to the long URL that the described short URL of even higher level of node inquiry of described corresponding region is corresponding ", if so, then
The long URL of corresponding stored in the described corresponding region even higher level of node inquired is returned to client, and the long URL access counter stored in correspondingly domain node is added 1;
Judge whether described counter exceeds the threshold value of specifying, if exceed, then node sinks to generating the long URL of next stage node and be stored into distributed server, terminates.
Another object of the embodiment of the present invention is to propose a kind of CDN node jump system of inquiring about based on short URL, and described system comprises at least one user, distributed data base, at least one CDN node,
Described user is used for the playing request of the short URL of video sent by client; Described playing request comprises short URL, user name, User IP;
Described distributed data base for short URL, the long URL in video actual play device address in each CDN node in the playing request that stores user and send, video access counting in each CDN node, and described short URL for storing in the nearest CDN node of user according to the short URL in user's request and User IP inquiry corresponding, the long URL in video actual play device address that access count does not exceed a prescribed threshold value;
CDN node, for the source file that store video is play, it is some ranks according to region zones, and each rank comprises at least one node, and top is source station.
The described CDN node jump system of inquiring about based on short URL,
Described distributed data base also comprises:
Enquiry module, for the storage line major key according to the described short URL stored in distributed server, timestamp and User IP, inquires about from the nearest domain nodes of User IP; Judge whether to find in nearest CDN node and store long URL corresponding to described short URL, if so, then the long URL of described correspondence is returned to client; And notify that the long URL access counter of nearest CDN node corresponding stored adds 1;
If do not find the long URL that described short URL is corresponding, then jump to the long URL that the described short URL of even higher level of node inquiry of described corresponding region is corresponding; Judge whether to inquire in the even higher level of node of corresponding region and store long URL corresponding to described short URL, if, then the long URL of corresponding stored in the described corresponding region even higher level of node inquired is returned to client, otherwise the long URL access counter stored in notifying correspondingly domain node adds 1;
Short URL memory module, for storing the short URL in user's playing request;
Long URL memory module, for storing the long URL in video actual play device address in each CDN node;
The long URL counter of CDN node, for the access times of the long URL in recording of video actual play device address, and judges whether to exceed the threshold value of specifying, if exceed threshold value, then judge whether the nearest CDN node from User IP is nearest is end level node, does not if so, then process; If level node of the non-end, then node sinks to generating the long URL of next stage node and be stored into distributed server.
Beneficial effect of the present invention
The inventive method adopts large data technique, uses distributed data base as the stored data base of short URL and the long URL in actual play address, with short URL as a ROWKEY; When user inquires about, by short URL home row major key, then in conjunction with the long URL in actual play address that the IP inquiry of user stores in the nearest CDN node of user; And the action of each inquiry redirect is added up by a counter, when video access amount exceed threshold value become hot video time, node is done in quick response, every minor node sinks in the node of the long URL of actual play stored in sinking rank, thus fast short URL is associated with the long URL in actual play address, realize fast query and navigate to the long URL in actual play address; The present invention can not consume too many IO read operation by row major key, and inquiry velocity is fast; Short URL is convenient to user and is shared and remember; And long URL generates according to sheet parent name in the embodiment of the present invention, be a fixing parsing, can not cause and cause video to play and the problem of the new software of necessary frequent upgrading because of the change of the long URL in actual play address.
Accompanying drawing explanation
Fig. 1 is a kind of CDN node jump method process flow diagram inquired about based on short URL of the preferred embodiment of the present invention;
Fig. 2 is a kind of CDN node jump system structural drawing inquired about based on short URL of the preferred embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention being further elaborated, for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.Should be appreciated that the specific embodiment that this place is described, only for explaining the present invention, not in order to limit the present invention.
The embodiment of the present invention adopts large data technique, uses distributed data base as the stored data base of short URL and the long URL in actual play address, with short URL as a ROWKEY; When user inquires about, by short URL home row major key, then in conjunction with the long URL in actual play address that the IP inquiry of user stores in the nearest CDN node of user; And the action of each inquiry redirect is added up by a counter, when video access amount exceed threshold value become hot video time, node is done in quick response, every minor node sinks in the node of the long URL of actual play stored in sinking rank, thus fast short URL is associated with the long URL in actual play address, realize fast query and navigate to the long URL in actual play address; The embodiment of the present invention can not consume too many IO read operation by row major key, and inquiry velocity is fast; Short URL is convenient to user and is shared and remember; And long URL generates according to sheet parent name in the embodiment of the present invention, be a fixing parsing, can not cause and cause video to play and the problem of the new software of necessary frequent upgrading because of the change of the long URL in actual play address.
Embodiment one
A kind of CDN node jump method inquired about based on short URL of the embodiment of the present invention, said method comprising the steps of:
The playing request of the short URL of video that S101, reception user are sent by client;
Described playing request comprises short URL, user name, User IP;
S102, Querying Distributed server, and locate the storage line major key of described short URL in distributed server;
Described distributed server can be hbase server or redis server, and it comprises table data store, and described table data store stores content and comprises short URL, user name, storage time, long URL, counter; Its short-and-medium URL is the RowKey (i.e. crucial line position) of tables of data, storage time is timestamp, long URL is the actual play address of video, and long URL sum counter all stores respectively according to different region CDN node (abbreviation domain nodes);
Described domain nodes is divided into N number of different stage, and all domain nodes are all in same a line of table data store; The corresponding region CDN node in each region, N is natural number; When carrying out long URL sum counter and storing, domain nodes that all can be nearest according to the IP automatic decision of user, and be stored in corresponding field.1st grade of node is source station, and N level node is end level node;
Described table data store can be following storage organization:
S103, storage line major key, timestamp and User IP according to the described short URL stored in distributed server, inquire about from the nearest domain nodes (being called for short nearest CDN node) of User IP, find the long URL (i.e. video actual play address) that described short URL is corresponding;
S104, judge whether to find in nearest CDN node and store long URL corresponding to described short URL, if so, then enter step S105, otherwise enter step S107;
S105, returns to client by the long URL of described correspondence; And the long URL access counter of described nearest CDN node corresponding stored is added 1;
S106, judge whether described counter exceeds the threshold value of specifying, if exceed threshold value, then judge whether described nearest CDN node is end level node, does not if so, then process, terminate; If level node of the non-end, then node sinking (namely node rank adds 1) generates the long URL of next stage node and is stored into distributed server, terminates.
S107, the even higher level of node (namely node rank subtracts 1) jumping to described corresponding region inquire about long URL corresponding to described short URL;
S108, judge whether to inquire in the even higher level of node of corresponding region and store long URL corresponding to described short URL, if so, then enter step S109, otherwise return step S107;
S109, the long URL of corresponding stored in the described corresponding region even higher level of node inquired is returned to client, and the long URL access counter stored in correspondingly domain node is added 1;
S110, judge whether described counter exceeds the threshold value of specifying, if exceed, then node sinks to generating the long URL of next stage node and be stored into distributed server, terminates.
Embodiment two
Fig. 2 is a kind of CDN node jump system structural drawing inquired about based on short URL of the preferred embodiment of the present invention.Suppose there be M user, CDN node is divided into N number of rank, and each rank at least comprises a node.
Described system comprises: at least one user, distributed data base, at least one CDN node.
Described user is used for the playing request of the short URL of video sent by client; Described playing request comprises short URL, user name, User IP;
Described distributed data base for short URL, the long URL in video actual play device address in each CDN node in the playing request that stores user and send, video access counting in each CDN node, and described short URL for storing in the nearest CDN node of user according to the short URL in user's request and User IP inquiry corresponding, the long URL in video actual play device address that access count does not exceed a prescribed threshold value;
CDN node, for the source file that store video is play, it is some ranks according to region zones, and each rank comprises at least one node, and top is source station;
Further, described distributed data base also comprises:
Enquiry module, for the storage line major key according to the described short URL stored in distributed server, timestamp and User IP, inquires about from the nearest domain nodes of User IP; Judge whether to find in nearest CDN node and store long URL corresponding to described short URL, if so, then the long URL of described correspondence is returned to client; And notify that the long URL access counter of nearest CDN node corresponding stored adds 1;
If do not find the long URL that described short URL is corresponding, then the even higher level of node (and node rank subtracts 1) jumping to described corresponding region inquires about long URL corresponding to described short URL; Judge whether to inquire in the even higher level of node of corresponding region and store long URL corresponding to described short URL, if, then the long URL of corresponding stored in the described corresponding region even higher level of node inquired is returned to client, otherwise the long URL access counter stored in notifying correspondingly domain node adds 1;
Short URL memory module, for storing the short URL in user's playing request;
Long URL memory module, for storing the long URL in video actual play device address in each CDN node;
The long URL counter of CDN node, for the access times of the long URL in recording of video actual play device address, and judges whether to exceed the threshold value of specifying, if exceed threshold value, then judge whether the nearest CDN node from User IP is nearest is end level node, does not if so, then process; If level node of the non-end, then node sinking (namely node rank adds 1) generates the long URL of next stage node and is stored into distributed server.
Further, described distributed server can be hbase server or redis server, and it comprises table data store, and described table data store stores content and comprises short URL, user name, storage time, long URL, counter; Its short-and-medium URL is the RowKey (i.e. crucial line position) of tables of data, storage time is timestamp, long URL is the actual play address of video, and long URL sum counter all stores respectively according to different region CDN node (abbreviation domain nodes);
Described domain nodes is divided into N number of different stage, and all domain nodes are all in same a line of table data store; The corresponding region CDN node in each region, N is natural number; When carrying out long URL sum counter and storing, domain nodes that all can be nearest according to the IP automatic decision of user, and be stored in corresponding field.1st grade of node is source station, and N level node is end level node.
Those having ordinary skill in the art will appreciate that, the all or part of step realized in above-described embodiment method can have been come by programmed instruction related hardware, described program can be stored in a computer read/write memory medium, and described storage medium can be ROM, RAM, disk, CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. based on the CDN node jump method that short URL inquires about, it is characterized in that, described method comprises:
Receive the playing request of the short URL of video that user is sent by client;
Querying Distributed server, and locate the storage line major key of described short URL in distributed server;
According to the storage line major key of the described short URL stored in distributed server, timestamp and User IP, inquire about from the nearest domain nodes of User IP, find the long URL that described short URL is corresponding;
Judge whether to find in nearest CDN node and store long URL corresponding to described short URL, if so, then
The long URL of described correspondence is returned to client; And the long URL access counter of described nearest CDN node corresponding stored is added 1;
Judge whether described counter exceeds the threshold value of specifying, if exceed threshold value, then judge whether described nearest CDN node is end level node, does not if so, then process, terminate; If level node of the non-end, then node sinks to generating the long URL of next stage node and be stored into distributed server, terminates.
2. the CDN node jump method inquired about based on short URL as claimed in claim 1, is characterized in that,
Long URL corresponding to described short URL is stored, then if do not find in nearest CDN node
Jump to the long URL that the described short URL of even higher level of node inquiry of described corresponding region is corresponding;
Judge whether to inquire in the even higher level of node of corresponding region and store long URL corresponding to described short URL, if not, then return step and " jump to the long URL that the described short URL of even higher level of node inquiry of described corresponding region is corresponding ", if so, then
The long URL of corresponding stored in the described corresponding region even higher level of node inquired is returned to client, and the long URL access counter stored in correspondingly domain node is added 1;
Judge whether described counter exceeds the threshold value of specifying, if exceed, then node sinks to generating the long URL of next stage node and be stored into distributed server, terminates.
3. the CDN node jump method inquired about based on short URL as claimed in claim 2, is characterized in that,
Described playing request comprises short URL, user name, User IP.
4. the CDN node jump method inquired about based on short URL as claimed in claim 3, is characterized in that,
Described distributed server is hbase server or redis server, and it comprises table data store, and described table data store stores content and comprises short URL, user name, storage time, long URL, counter; Its short-and-medium URL is the row major key of tables of data, and storage time is timestamp, and long URL is the actual play address of video, and long URL sum counter all stores respectively according to different domain nodes.
5. the CDN node jump method inquired about based on short URL as claimed in claim 4, is characterized in that,
Described domain nodes is divided into N number of different stage, and all domain nodes are all in same a line of table data store; The corresponding region CDN node in each region, N is natural number; When carrying out long URL sum counter and storing, domain nodes that all can be nearest according to the IP automatic decision of user, and be stored in corresponding field, the 1st grade of node is source station, and N level node is end level node.
6. based on the CDN node jump system that short URL inquires about, it is characterized in that, described system comprises at least one user, distributed data base, at least one CDN node,
Described user is used for the playing request of the short URL of video sent by client; Described playing request comprises short URL, user name, User IP;
Described distributed data base for short URL, the long URL in video actual play device address in each CDN node in the playing request that stores user and send, video access counting in each CDN node, and described short URL for storing in the nearest CDN node of user according to the short URL in user's request and User IP inquiry corresponding, the long URL in video actual play device address that access count does not exceed a prescribed threshold value;
CDN node, for the source file that store video is play, it is some ranks according to region zones, and each rank comprises at least one node, and top is source station.
7. the CDN node jump system of inquiring about based on short URL as claimed in claim 6, is characterized in that,
Described distributed data base also comprises:
Enquiry module, for the storage line major key according to the described short URL stored in distributed server, timestamp and User IP, inquires about from the nearest domain nodes of User IP; Judge whether to find in nearest CDN node and store long URL corresponding to described short URL, if so, then the long URL of described correspondence is returned to client; And notify that the long URL access counter of nearest CDN node corresponding stored adds 1;
If do not find the long URL that described short URL is corresponding, then jump to the long URL that the described short URL of even higher level of node inquiry of described corresponding region is corresponding; Judge whether to inquire in the even higher level of node of corresponding region and store long URL corresponding to described short URL, if, then the long URL of corresponding stored in the described corresponding region even higher level of node inquired is returned to client, otherwise the long URL access counter stored in notifying correspondingly domain node adds 1;
Short URL memory module, for storing the short URL in user's playing request;
Long URL memory module, for storing the long URL in video actual play device address in each CDN node;
The long URL counter of CDN node, for the access times of the long URL in recording of video actual play device address, and judges whether to exceed the threshold value of specifying, if exceed threshold value, then judge whether the nearest CDN node from User IP is nearest is end level node, does not if so, then process; If level node of the non-end, then node sinks to generating the long URL of next stage node and be stored into distributed server.
8. the CDN node jump system of inquiring about based on short URL as claimed in claim 7, is characterized in that,
Described distributed server is hbase server or redis server, and it comprises table data store, and described table data store stores content and comprises short URL, user name, storage time, long URL, counter; Its short-and-medium URL is the row major key of tables of data, and storage time is timestamp, and long URL is the actual play address of video, and long URL sum counter all stores respectively according to different domain nodes.
9. the CDN node jump system of inquiring about based on short URL as claimed in claim 8, is characterized in that,
Described domain nodes is divided into N number of different stage, and all domain nodes are all in same a line of table data store; The corresponding region CDN node in each region, N is natural number; When carrying out long URL sum counter and storing, domain nodes that all can be nearest according to the IP automatic decision of user, and be stored in corresponding field, the 1st grade of node is source station, and N level node is end level node.
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