WO2017156693A1

WO2017156693A1 - Method and device for hot upgrading server program

Info

Publication number: WO2017156693A1
Application number: PCT/CN2016/076333
Authority: WO
Inventors: 徐则水
Original assignee: 深圳创维－Rgb电子有限公司
Priority date: 2016-03-15
Filing date: 2016-03-15
Publication date: 2017-09-21
Also published as: AU2016277742A1

Abstract

The invention discloses a method for hot upgrading of a server program. The method for hot upgrading of a server program comprises: when a server program is being upgraded, a server controls a currently running processing instance A to stop receiving service requests while continuing to process service requests already being processed; the server creates, by means of an upgraded server program, a new processing instance B to process service requests received by the processing instance B; after the processing instance A completes processing service requests, the server controls the processing instance A to exit, and hot upgrade of the server program is completed. The invention further discloses a device for hot upgrading a server program. According to the invention, when a server program is upgraded, the server does not need to be restarted, while ensuring that service connections are uninterrupted, so that users are unaware of the server program upgrade. Further, because server restart is not required to complete the upgrade, data loss or data anomalies that may occur due to forced interruption of file or other operations during restarting can be avoided.

Description

Method and device for server program hot upgrade

Technical field

The present invention relates to the field of computer technologies, and in particular, to a method and apparatus for server program hot upgrade.

Background technique

With the development of network technology, the background server plays an increasingly important role in the entire network environment. However, with the development of network technology, user requirements are also constantly developing. As the user needs change and develop, the network The requirements of the back-end server are also getting higher and higher, and the functions of the network back-end server are constantly updated, which makes the network back-end server program need to be continuously upgraded to meet the needs of customers.

In the prior art, each time the background server program is upgraded and restarted, the connection is instantaneously disconnected, causing the connection of the service to be interrupted, affecting the experience of the client, and the file operation of the restarting moment is forcibly interrupted, which may cause a small loss of data. In severe cases, half of the critical data operations are interrupted, which directly results in the incompleteness of data, resulting in data loss or data anomalies.

For example, when the client is connecting to the background server for user registration, when the user connects to the background server through the client to perform the user registration operation, if the background server restarts and upgrades, the client will prompt the user to connect with the background server according to the connection status. It has been disconnected, and before the background server is restarted, the user will no longer be able to connect to the background server for subsequent operations. After the background server is upgraded and restarted, since the background server has been re-upgraded, the user needs to re-do the user registration process that has already been performed. However, due to the moment when the server is restarted and upgraded, file operations and the like are forcibly interrupted. Therefore, the user may not be able to proceed with the registration process correctly.

In another case, when the user fills in the key information such as the user name in the registration process, the background server restarts the upgrade. After the user fills in the key information such as the user name and uploads the background server and writes to the database, the background server is restarted after the upgrade. The user re-executes the user registration process. When the user registers with the same user name, because the user name record already exists in the background server, the user will get a prompt that the user name has been registered, but the user name in the background server is related. The information is incomplete, that is, the user cannot log in normally using the username, so that the username becomes an unowned user name, occupies system resources, and the user cannot use the user name that is satisfactory.

Summary of the invention

The main purpose of the present invention is to provide a method for server program hot upgrade, which aims to solve the technical problem that data loss is caused by data loss when the server program is upgraded and restarted.

To achieve the above object, the present invention provides a method for hot upgrade of a server program, and the method for hot upgrade of the server program includes the following steps:

When the server program is upgraded, the server controls the currently running processing instance A to stop receiving service requests and continue processing the business requests being processed;

The server creates a new processing instance B through the upgraded server program to process the service request received by the processing instance B;

After the processing instance A processes the completion of the service request, the server controls the processing instance A to exit, and the server program hot upgrade is completed.

Preferably, when the server program is upgraded, the server controls that the currently running processing instance A stops receiving the service request, and continues to process the service request being processed, including:

When the server program is upgraded, the daemon of the server program closes the receiving function of the currently running processing instance A, causing the processing instance A to stop receiving the service request, and controlling the processing instance A to continue processing the service being processed. request.

Preferably, the step of the server creating a new processing instance B to process a subsequently received service request by using the upgraded server program comprises:

The daemon of the server program creates a new processing instance B through the upgraded server program, and binds the processing instance B to the service request access port, and controls the processing instance B to receive the service request and process.

Preferably, when the server program is upgraded, the step of the server controlling the currently running processing instance A to stop receiving the service request and continuing to process the service request being processed further includes:

When the server program is upgraded, the server control access layer no longer sends a service request to the currently running processing instance A, and controls the currently running processing instance A to continue processing the business request being processed.

Preferably, the step of the server creating a new processing instance B by using the upgraded server program to process the service request received by the processing instance B further includes:

The server creates a new processing instance B through the upgraded server program, and the control access layer sends the received service request to the processing instance B, and controls the processing instance B to receive the service request and process.

In addition, in order to achieve the above object, the present invention further provides an apparatus for hot-upgrading a server program, where the apparatus for hot-upgrading the server program includes:

Stop receiving module, when the server program is upgraded, control the currently running processing instance A to stop receiving the service request, and continue to process the business request being processed;

a new instance creation module, configured to create a new processing instance B by using the upgraded server program to process the service request received by the processing instance B;

The exiting module is configured to control the processing instance A to exit after the processing instance A processes the completed service request, and the server program hot upgrade is completed.

Preferably, the stopping the receiving module comprises:

The receiving unit is configured to: when the server program is upgraded, the control daemon closes the receiving function of the currently running processing instance A, so that the processing instance A stops receiving the service request, and controls the processing instance A to continue processing Business request.

Preferably, the new instance creation module includes:

Creating a binding unit, configured to control the daemon to create a new processing instance B through the upgraded server program, and bind the processing instance B to the service request access port, and control the processing instance B to receive the service request and deal with.

Preferably, the stopping the receiving module further includes:

The service request sending unit is configured to stop the service layer from sending a service request to the currently running processing instance A when the server program is upgraded, and control the currently running processing instance A to continue processing the service request being processed.

Preferably, the new embodiment creation module further includes:

The forwarding unit is configured to create a new processing instance B by using the upgraded server program, and the control access layer sends the received service request to the processing instance B, and controls the processing instance B to receive the service request and process.

A method and device for hot-upgrading a server program according to an embodiment of the present invention, a new processing instance is created by using an upgraded server program to process a subsequent service request, and the old processing instance exits after processing the currently processed service request, and the server is guaranteed. When the program is upgraded, the data is not lost, and the server program is upgraded hot. At the same time, the integrity of the data when the server program is upgraded is ensured, and since the hot upgrade is transparent to the user, the user experience is not affected.

DRAWINGS

1 is a schematic flow chart of a first embodiment of a method for hot upgrade of a server program according to the present invention;

2 is a schematic flow chart of a second embodiment of a method for hot upgrade of a server program according to the present invention;

3 is a schematic flowchart diagram of a third embodiment of a method for hot upgrade of a server program according to the present invention;

4 is a schematic diagram of functional modules of a first embodiment of a device for hot upgrade of a server program according to the present invention;

5 is a schematic diagram of functional modules of a second embodiment of an apparatus for hot-upgrading a server program according to the present invention;

6 is a schematic diagram of functional modules of a third embodiment of an apparatus for hot upgrade of a server program according to the present invention;

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

detailed description

It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The main solution of the embodiment of the present invention is: when the server program is upgraded, the server controls the currently running processing instance A to stop receiving the service request, and continues to process the processed service request; the server creates a new one through the upgraded server program. The processing instance B processes the service request received by the processing instance B. After the processing instance A processes the completed service request, the server controls the processing instance A to exit, and the server program hot upgrade is completed.

Because the prior art server program needs to be restarted when it is upgraded, when the server program restarts and upgrades, the connection will be disconnected, causing the connection of the service to be interrupted, and the data is lost, so that the data integrity is not guaranteed.

The invention provides a solution for the server program to be upgraded without restarting, and the hot upgrade is performed to ensure that the service is not interrupted when the server program is upgraded, thereby avoiding data loss caused by forced interruption of file interruption and other file operations. Further guarantees the integrity of the data.

Referring to FIG. 1 , a first embodiment of a method for hot upgrade of a server program according to the present invention includes:

In step S100, when the server program performs the upgrade, the server controls the currently running processing instance A to stop accepting the service request, and continues to process the service request being processed.

When the server program is upgraded, the server does not interrupt the running of the currently processing processing instance A, that is, the old processing instance, and controls the processing instance A to continue processing the processing service request, in order to avoid the new service request, the processing instance is A processing, so the processing instance A no longer receives new service requests.

In step S200, a new processing instance B is created by the upgraded server program to process the service request received by the processing instance B.

The server creates a new processing instance B, and the processing instance B is created according to the upgraded server program. After the processing instance B is created, the processing instance B is controlled to process the subsequently received service processing to ensure that the server program is upgraded. The service is not interrupted, so that the customer is not aware.

Step S300, after the processing instance A processes the completion of the service request, the server controls the processing instance A to exit, and the server program hot upgrade is completed.

After the processing instance A completes the service request processing, the server controls the processing instance A to exit, the server program completes the hot upgrade, and the subsequently received service processing is processed by the processing instance B, that is, after the upgrade is completed, only the Processing instance B processes the business request. It can be foreseen that after the processing instance A exits, the occupied resources are released.

In this embodiment, when the server program is upgraded, the subsequent service request is received by establishing a new service request processing instance, and the old service request processing instance continues to process the service request being processed, so that the server program is upgraded without restarting, and at the same time ensuring The service connection is not interrupted, so that the user does not have any awareness of the server program upgrade. Further, since the upgrade is not required, the file is not interrupted and the data is lost due to forced interruption.

Further, referring to FIG. 2, a second embodiment of the method for hot upgrade of the server program of the present invention, based on the embodiment shown in FIG. 1 above, the step S100, when the server program is upgraded, the server controls the currently running processing. Instance A stops receiving business requests and continues to process the business request being processed:

Step S110, when the server program is upgraded, the server control daemon closes the receiving function of the currently running processing instance A, so that the processing instance A stops receiving the service request, and controls the processing instance A to continue processing the processed service. request.

To facilitate the processing of the instance management, when the server program is upgraded, the server control daemon manages the processing instance service request receiving function, and closes the receiving function of the currently running processing instance A, so that the processing instance A no longer receives the subsequent service. The request, but the processing instance A will continue to process the business request being processed, ensuring that the user's business connection is not interrupted, thereby making the user unperceived to the server program upgrade.

In the step S200, the server creates a new processing instance B by using the upgraded server program to process the service request received by the processing instance B, including:

Step S210, the daemon of the server program creates a new processing instance B through the upgraded server program, and binds the processing instance B to the service request access port, and controls the processing instance B to receive the service request. deal with.

To ensure that the server program continues to provide subsequent service request processing services, the server control daemon creates a new processing instance B through the upgraded server program, and binds the processing instance B to the service request access port, and controls the processing instance. B receives the service request and processes the service request.

During specific implementation, the specific implementation steps of this embodiment include:

1, the daemon process monitor signal;

2. When the daemon monitors the upgrade signal, initiates a new process on the same service request port to process a new service request, that is, creates a new processing instance and binds it to the service request port;

3. The current process connection is closed. When the current process completes the request being processed and exits, the old processing instance is disconnected, so that the old processing instance no longer receives the service processing request, and the old processing instance continues to process the processed service request. Exit after processing is complete.

In this embodiment, based on the advantages described in the previous embodiment, the processing instance is managed by the daemon process, so that when the server program is upgraded, the daemon process is uniformly managed, thereby further making the switching between the processing instances smoother and ensuring the server. Service processing is not interrupted when the program is upgraded, and data loss or error caused by restarting the upgrade is avoided.

Further, referring to FIG. 3, a third embodiment of the method for hot-upgrading the server program of the present invention, based on the embodiment shown in FIG. 1, the step S100, when the server program is upgraded, the server controls the currently running processing. Instance A stops receiving business requests and continues to process the business request being processed:

Step S120: When the server program performs the upgrade, the server control access layer no longer sends a service request to the currently running processing instance A, and controls the currently running processing instance A to continue processing the processed service request.

The server program is layered into an access layer and a backend service layer, wherein the access layer is configured to communicate with the client, receive a service request sent by the client, and send the service request to the backend service layer, and the backend service The layer provides service processing support by means of processing instances. When the server program is upgraded, the server control access layer stops sending service requests to the running processing instance, and stops sending service requests to the processing instance A, and at the same time, guarantees service processing. Interrupt, while controlling processing instance A continues to process the business request being processed.

Step S220: The server creates a new processing instance B through the upgraded server program, and the control access layer sends the received service request to the processing instance B, and controls the processing instance B to receive the service request and process.

The server creates a new service processing instance by using the upgraded server program, that is, processing instance B, and the control access layer sends the received service request to the processing instance B, and the processing instance B receives the service request, and receives the service request. The business request is processed so that new service requests can be successfully received and processed during the server program upgrade process.

For the specific implementation, the specific implementation steps of the embodiment include:

1. The same server is deployed with the separation of the access layer and the backend service;

2. When the server program is upgraded, two processing back-end instances are deployed, and the access layer controls the request traffic to the new processing back-end instance, and the new processing back-end instance receives the service request and performs the service request. deal with;

3. The old processing backend instance continues to process the business request being processed, and exits when the data of the current process is processed.

In this embodiment, based on the advantages described in the previous embodiment, the access layer service request is allocated, so that when the server program is upgraded, the new service request is directed to the new processing instance, so that the switching between the processing instances is smoother. To ensure that the service processing is not interrupted when the server program is upgraded, and the data loss or error caused by the restart upgrade is avoided, and further, the link switching and the data service switching on one server are realized.

Referring to FIG. 4, in a first embodiment of the apparatus for hot-upgrading a server program of the present invention, the apparatus for hot-upgrading the server program includes:

The receiving module 100 is configured to control the currently running processing instance A to stop receiving the service request when the server program is upgraded, and continue to process the service request being processed.

When the server program is upgraded, the receiving module 100 stops the operation of the currently running processing instance A, that is, the old processing instance, and controls the processing instance A to continue processing the processing service request, in order to avoid new service requests. Process instance A processing, so the process instance A no longer receives new service requests.

The new instance creation module 200 is configured to create a new processing instance B by using the upgraded server program to process the service request received by the processing instance B.

The new instance creation module 200 creates a new processing instance B. The processing instance B is created according to the upgraded server program. After the processing instance B is created, the processing instance B is controlled to process the subsequently received service processing to ensure the server. When the program is upgraded, the service is not interrupted, so that the customer is not aware.

The exiting module 300 is configured to control the processing instance A to exit after the processing instance A processes the completed service request, and the server program hot upgrade is completed.

After the processing instance A completes the service request processing, the completion exit module 300 controls the processing instance A to exit, and the server program completes the hot upgrade, and the subsequently received service processing is processed by the processing instance B, that is, after the upgrade is completed, only the existing Process instance B processes the service request. It can be foreseen that after the processing instance A exits, the occupied resources are released.

Further, referring to FIG. 5, a second embodiment of the apparatus for hot-upgrading the server program of the present invention, based on the embodiment shown in FIG. 4, the stop-receiving module 100 includes:

The receiving unit 110 is configured to: when the server program performs the upgrade, the control daemon closes the receiving function of the currently running processing instance A, so that the processing instance A stops receiving the service request, and controls the processing instance A to continue processing Processed business request.

In order to facilitate the processing of the instance management, when the server program is upgraded, the processing function receiving function of the processing instance is managed by the daemon of the server program, and the receiving function of the currently processing processing instance A is closed, so that the processing instance A does not The subsequent service request is received, but the processing instance A will continue to process the service request being processed, ensuring that the user's service connection is not interrupted, so that the user does not perceive the server program upgrade.

The new instance creation module 200 includes:

The binding unit 210 is configured to control the daemon to create a new processing instance B through the upgraded server program, and bind the processing instance B to the service request access port, and control the processing instance B to receive the service request. And deal with it.

To ensure that the server program continues to provide the subsequent service request processing service, the creation binding unit 210 controls the daemon to create a new processing instance B through the upgraded server program, and binds the processing instance B to the service request access port. At the same time, the control processing instance B receives the service request and processes the service request.

1, the daemon process monitor signal;

Further, referring to FIG. 6, a third embodiment of the apparatus for hot-upgrading the server program of the present invention, based on the embodiment shown in FIG. 4, the stop-receiving module 100 includes:

The service request sending unit 120 is configured to: when the server program performs the upgrade, the control access layer stops sending the service request to the currently running processing instance A, and controls the currently running processing instance A to continue processing the processed service request. .

The server program is layered into an access layer and a backend service layer, wherein the access layer is configured to communicate with the client, receive a service request sent by the client, and send the service request to the backend service layer, and the backend service The layer provides service processing support in a manner of processing the instance. When the server program is upgraded, the stop service request sending unit 120 controls the access layer to stop sending a service request to the running processing instance, and stops sending the service request to the processing instance A. In order to ensure that the business processing is not interrupted, the control processing instance A continues to process the business request being processed.

The new instance creation module 200 includes:

The forwarding unit 220 is configured to create a new processing instance B by using the upgraded server program, and the control access layer sends the received service request to the processing instance B, and controls the processing instance B to receive the service request and process .

The creation and forwarding unit 220 creates a new service processing instance by using the upgraded server program, that is, processing the instance B, and controls the access layer to send the received service request to the processing instance B, and the processing instance B receives the service request. And processing the service request, so that a new service request can be successfully received and processed during the process of upgrading the server program.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims

A method for hot upgrade of a server program, characterized in that the method for hot upgrade of the server program comprises the following steps:

When the server program is upgraded, the server controls the currently running processing instance A to stop receiving service requests and continue processing the business requests being processed;

The server creates a new processing instance B through the upgraded server program to process the service request received by the processing instance B;

After the processing instance A processes the completion of the service request, the server controls the processing instance A to exit, and the server program hot upgrade is completed.
The method for hot-upgrading a server program according to claim 1, wherein when the server program is upgraded, the server controls the currently running processing instance A to stop receiving the service request, and continues to process the service request being processed. The steps include:

When the server program is upgraded, the server control daemon closes the receiving function of the currently running processing instance A, causing the processing instance A to stop receiving the service request, while controlling the processing instance A to continue processing the service request being processed.
The method of the server program hot upgrade according to claim 2, wherein the step of the server to create a new processing instance B to process the service request received by the processing instance B by using the upgraded server program comprises:

The server control daemon creates a new processing instance B through the upgraded server program, and binds the processing instance B to the service request access port, and controls the processing instance B to receive the service request and process.
The method for hot-upgrading a server program according to claim 1, wherein when the server program is upgraded, the server controls the currently running processing instance A to stop receiving the service request, and continues to process the service request being processed. The steps also include:

When the server program is upgraded, the server control access layer no longer sends a service request to the currently running processing instance A, and controls the currently running processing instance A to continue processing the business request being processed.
The method of the server program hot upgrade according to claim 4, wherein the step of the server to create a new processing instance B to process the service request received by the processing instance B by using the upgraded server program further comprises:

The server creates a new processing instance B through the upgraded server program, and the control access layer sends the received service request to the processing instance B, and controls the processing instance B to receive the service request and process.
A device for hot-upgrading a server program, characterized in that: the device for hot-upgrading the server program comprises:

Stop receiving module, when the server program is upgraded, control the currently running processing instance A to stop receiving the service request, and continue to process the business request being processed;

a new instance creation module, configured to create a new processing instance B by using the upgraded server program to process the service request received by the processing instance B;

The exiting module is configured to control the processing instance A to exit after the processing instance A processes the completed service request, and the server program hot upgrade is completed.
The apparatus for hot-upgrading a server program according to claim 6, wherein the stopping the receiving module comprises:

The receiving unit is configured to: when the server program is upgraded, the control daemon closes the receiving function of the currently running processing instance A, so that the processing instance A stops receiving the service request, and controls the processing instance A to continue processing Business request.
The apparatus for hot-upgrading a server program according to claim 7, wherein the new instance creation module comprises:

Creating a binding unit, configured to control the daemon to create a new processing instance B through the upgraded server program, and bind the processing instance B to the service request access port, and control the processing instance B to receive the service request and deal with.
The apparatus for hot-upgrading a server program according to claim 6, wherein the stopping the receiving module further comprises:

The service request sending unit is configured to stop the service layer from sending a service request to the currently running processing instance A when the server program is upgraded, and control the currently running processing instance A to continue processing the service request being processed.
The method of the server program hot upgrade according to claim 9, wherein the new embodiment creation module further comprises:

The forwarding unit is configured to create a new processing instance B by using the upgraded server program, and the control access layer sends the received service request to the processing instance B, and controls the processing instance B to receive the service request and process.