CN110430091A - Suitable for the principal and subordinate's time delay monitoring method and device of redis, storage medium - Google Patents
Suitable for the principal and subordinate's time delay monitoring method and device of redis, storage medium Download PDFInfo
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- CN110430091A CN110430091A CN201910615853.9A CN201910615853A CN110430091A CN 110430091 A CN110430091 A CN 110430091A CN 201910615853 A CN201910615853 A CN 201910615853A CN 110430091 A CN110430091 A CN 110430091A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0852—Delays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
- H04L43/106—Active monitoring, e.g. heartbeat, ping or trace-route using time related information in packets, e.g. by adding timestamps
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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Abstract
The embodiment of the present invention discloses a kind of suitable for the principal and subordinate's time delay monitoring method and device of redis, storage medium, wherein method includes the following steps: that one group of key $ n is written for the master library Master of redis, key $ n includes at least key0~key59, the corresponding $ value of each key；The $ value value S1 of the corresponding key of current number of seconds of master library Master is updated, while inquiring the $ value value S2 from library Slave at same key；Current master-slave synchronisation time delay difference S3 is determined according to S1 and S2.Using the present invention, redis master-slave database server is all synchronous using unified time server, can guarantee system time be it is unified, latency issue and principal and subordinate's availability between redis master-slave database can more intuitively be shown according to the judgement of system time.
Description
Technical field
The present invention relates to field of computer technology more particularly to a kind of principal and subordinate's time delay monitoring method suitable for redis and
Device, storage medium.
Background technique
Redis master-slave synchronisation principle is after Slave starts and is connected to Master, it is by one SYNC of active transmission
Order.Hereafter Master will start backstage deposit process, be collected simultaneously all orders for being used to modify data set received, In
After background process is finished, Master will transmit entire database file to Slave, primary fully synchronized to complete.And
Slave server is deposited and is loaded into memory after receiving database file data.Hereafter, Master continue by
All modification orders being collected into and new modification order, which are sequentially transmitted, will execute these at this to Slaves, Slave
Data modification order synchronizes to reach final data.
The subsequent principal and subordinate's delay that can not monitor master and slave by monitor supervision platform in real time is synchronously completed above
Situation and principal and subordinate's availability.It is at present by checking that the master_link_status state of Slave judges slave's on the market
Availability checks the delay situation of Slave by master_last_io_seconds_ago, due to that cannot monitor principal and subordinate in real time
Synchronous time delay affects the accuracy of computer processing data when network occurs abnormal.
Summary of the invention
The embodiment of the present invention provide it is a kind of suitable for the principal and subordinate's time delay monitoring method and device of redis, storage medium,
Redis master-slave database server is all synchronous using unified time server, it is ensured that system time be it is unified, according to
The judgement of system time can more intuitively show latency issue and principal and subordinate's availability between redis master-slave database.
First aspect of the embodiment of the present invention provides a kind of principal and subordinate's time delay monitoring method suitable for redis, it may include:
One group of key $ n, key $ n is written including at least key0~key59 for the master library Master of redis, each key is corresponding
One $ value；
The $ value value S1 of the corresponding key of current number of seconds of master library Master is updated, while being inquired from library Slave same
$ value value S2 under key；
Current master-slave synchronisation time delay difference S3 is determined according to S1 and S2.
Further, the above method further include:
Key $ n is stored into db15, is that the key $ n in db15 carries out Initialize installation.
Further, the above method further include:
When master library Master write-in key occurs abnormal, determine that the master library of redis is unavailable in current number of seconds.
Further, the above method further include:
When the number of master library Master write-in key exception is greater than frequency threshold value, unavailable warning information is exported.
Further, the above method further include:
When time delay difference S3 is greater than delay threshold, principal and subordinate's time delay warning information is exported.
Second aspect of the embodiment of the present invention provides a kind of principal and subordinate's time delay monitoring device suitable for redis, it may include:
Key writing module, for the master library Master for redis be written one group of key $ n, key $ n include at least key0~
The corresponding $ value of key59, each key；
Principal and subordinate's $ value determining module, the $ value value S1 of the corresponding key of current number of seconds for updating master library Master,
$ value value S2 of the inquiry from library Slave at same key simultaneously；
Time delay difference calculating module, for determining current master-slave synchronisation time delay difference S3 according to S1 and S2.
Further, above-mentioned apparatus further include:
Key memory module is that the key $ n in db15 carries out Initialize installation for storing key $ n into db15.
Further, above-mentioned apparatus further include:
Abnormal determining module, for determining the master library of redis current when master library Master write-in key occurs abnormal
Number of seconds is unavailable.
Further, above-mentioned apparatus further include:
Abnormality alarming module, for when the number of master library Master write-in key exception is greater than frequency threshold value, output can not
Use warning information.
Further, above-mentioned apparatus further include:
Time delay alarm module, for exporting principal and subordinate's time delay warning information when time delay difference S3 is greater than delay threshold.
The third aspect of the embodiment of the present invention provides a kind of computer storage medium, and computer storage medium is stored with a plurality of
Instruction, instruction are suitable for being loaded by processor and executing following steps:
One group of key $ n, key $ n is written including at least key0~key59 for the master library Master of redis, each key is corresponding
One $ value；
The $ value value S1 of the corresponding key of current number of seconds of master library Master is updated, while being inquired from library Slave same
$ value value S2 under key；
Current master-slave synchronisation time delay difference S3 is determined according to S1 and S2.
In embodiments of the present invention, by using the same monitoring table to principal and subordinate, it ensure that system time is unified, master
Field is modified in library, from library inquiry field, is then converted into timestamp to compare and obtain the number of seconds for monitoring true gap, according to system
The judgement of time more intuitively shows latency issue and principal and subordinate's availability between redis master-slave database.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow diagram of principal and subordinate's time delay monitoring method suitable for redis provided in an embodiment of the present invention；
Fig. 2 is the process signal of another principal and subordinate's time delay monitoring method suitable for redis provided in an embodiment of the present invention
Figure；
Fig. 3 is a kind of structural schematic diagram of principal and subordinate's time delay monitoring device suitable for redis provided in an embodiment of the present invention；
Fig. 4 is the structural representation of another principal and subordinate's time delay monitoring device suitable for redis provided in an embodiment of the present invention
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Term " includes " in description and claims of this specification and above-mentioned attached drawing and " having " and they appoint
What is deformed, it is intended that covering non-exclusive includes that term " first " and " second " be not merely to difference name, represents number
The size or sequence of word.Such as it contains process, method, device, product or the equipment of a series of steps or units and does not limit
Due to listed step or unit, but optionally further comprising the step of not listing or unit, or optionally further comprising it is right
In other intrinsic step or units of these process, methods, product or equipment.
The present embodiments relate to principal and subordinate's time delay monitoring device suitable for redis can be and have data-handling capacity
Computer.
As shown in Figure 1, principal and subordinate's time delay monitoring method suitable for redis at least may include following steps:
One group of key $ n is written in S101, the master library Master for being redis.
It should be noted that above-mentioned apparatus can configure one group of key n, respectively key0 for the master library Master of redis
~key59, wherein the corresponding $ value of each key.
Optionally, in order to which key0~key59 can be recorded on db15 by differentiated service database above-mentioned apparatus, and can be with
It is key $ n=" $ value " respectively, wherein $ n represents number of seconds, $ to the value for initializing 60 key in the db15 of redis principal and subordinate
Value is current system, and format is " %Y%m%d_%H:%M:%S ", is made within 24 hours, such as: key1=' 20190412
12:03:43’。
S102 updates the $ value value S1 of the corresponding key of current number of seconds of master library Master, while inquiring from library Slave
$ value value S2 at same key.
Specifically, device can be executed once per second the write operation of master library Master according to timed task, according to current
Number of seconds updates the $ value value S1 of its corresponding key, and after having updated, the task from the Slave of library immediately to inquiring the same key
Under $ value value S2.It should be noted that above-mentioned S1 and S2 is a specific numerical value, timestamp can be translated into simultaneously
It keeps in as variable.
It should be noted that whether device there is exception when can detecte each master library Master write-in key, if occurring different
Often, then show that master library redis is unavailable at the time point, further, to prevent network abnormal situation, settable number threshold
Value, such as when frequency of abnormity is greater than frequency threshold value (e.g., continuous 5 times can not be written), then export unavailable warning information, alarm master
Library Master delay machine is unavailable.
S103 determines current master-slave synchronisation time delay difference S3 according to S1 and S2.
Specifically, above-mentioned apparatus can get the key $ with from library Slave inquiry according to the key $ n value of master library Master
The value of n carries out time difference calculating, obtains the time delayed difference value S3 of current master-slave synchronisation, i.e., determines current master-slave synchronisation according to S1 and S2
Time delay difference S3, S3 are in seconds.
Further, delay threshold can be set in above-mentioned apparatus, and when time delay difference S3 is greater than delay threshold, device can be with
Export principal and subordinate's time delay warning information.For example, when S3 is greater than 30 seconds, it is believed that current time delay is more serious, can carry out time delay alarm,
Accurate Delayed Alarm is achieved the purpose that.
In an alternative embodiment, when S3 is 0 i.e. S1 and S2 equal, it is believed that current monitor is normal, when recording current
Between.
In an alternative embodiment, above-mentioned apparatus can compare the gap between the S3 of front and back twice, according to the gap analysis
Whether current redis has the suspicion of delay exacerbation, or the performance of current redis master-slave synchronisation is judged according to the difference.
In an alternative embodiment, final delay time can be reported to monitoring system by above-mentioned apparatus, for developer
With reference to.
In embodiments of the present invention, by using the same monitoring table to principal and subordinate, it ensure that system time is unified, master
Field is modified in library, from library inquiry field, is then converted into timestamp to compare and obtain the number of seconds for monitoring true gap, according to system
The judgement of time more intuitively shows latency issue and principal and subordinate's availability between redis master-slave database.
In a specific embodiment of the present invention, above-mentioned principal and subordinate's time delay suitable for redis monitors process such as Fig. 2 institute
Show, at least include the following steps:
The key $ n value of redis is written according to current number of seconds by S201.
Whether S202, redis master library Master are writable.
S203, master library Master are unavailable.
The key $ n value S1 of redis is written according to current number of seconds by S204.
S205, Cong Congku Slave obtain current key n value S2 according to current number of seconds.
Whether S206, S1 and S2 are equal.
S207, monitoring is normal and records current time.
S208, calculating difference S3 report delay, and calculate and last gap.
S209 reports the actual delay time.
It should be noted that time delay monitoring process is consistent with the monitoring process in above method embodiment, it specifically can be with
Referring to the description of above-described embodiment, details are not described herein again.
In embodiments of the present invention, by using the same monitoring table to principal and subordinate, it ensure that system time is unified, master
Field is modified in library, from library inquiry field, is then converted into timestamp to compare and obtain the number of seconds for monitoring true gap, according to system
The judgement of time more intuitively shows latency issue and principal and subordinate's availability between redis master-slave database.
Below in conjunction with attached drawing 3, principal and subordinate's time delay monitoring device provided in an embodiment of the present invention suitable for redis is carried out
It is discussed in detail.It should be noted that attached principal and subordinate's time delay monitoring device shown in Fig. 3 suitable for redis, for executing the present invention
The method of Fig. 1 and embodiment illustrated in fig. 2, for ease of description, only parts related to embodiments of the present invention are shown, specific skill
Art details does not disclose, please refers to Fig. 1 of the present invention and embodiment shown in Fig. 2.
Fig. 3 is referred to, for the embodiment of the invention provides a kind of structures of principal and subordinate's time delay monitoring device suitable for redis
Schematic diagram.As shown in figure 3, principal and subordinate's time delay monitoring device 10 suitable for redis of the embodiment of the present invention may include: that Key writes
Enter module 101, principal and subordinate value determining module 102, time delay difference calculating module 103, key memory module 104, abnormal determining mould
Block 105, abnormality alarming module 106 and time delay alarm module 107.
Key writing module 101, for one group of key $ n to be written for the master library Master of redis.
It should be noted that Key writing module 101 can configure one group of key n for the master library Master of redis, respectively
For key0~key59, wherein the corresponding $ value of each key.
Optionally, in order to which key0~key59 can be recorded on db15 by differentiated service database key memory module 104,
It and can be key $ n=" $ value " respectively, wherein $ n represents the second to the value for initializing 60 key in the db15 of redis principal and subordinate
Number, $ value are current system, and format is " %Y%m%d_%H:%M:%S ", are made within 24 hours, such as: key1='
20190412 12:03:43’。
Principal and subordinate $ value determining module 102, the $ value value of the corresponding key of current number of seconds for updating master library Master
S1, while inquiring the $ value value S2 from library Slave at same key.
In the specific implementation, principal and subordinate $ value determining module 102 can be executed once per second master library according to timed task
The write operation of Master updates the $ value value S1 of its corresponding key according to current number of seconds, and after having updated, the task is immediately
To the $ value value S2 inquired from the Slave of library under the same key.It should be noted that above-mentioned S1 and S2 is one specific
Numerical value can be translated into timestamp and keep in as variable.
It should be noted that abnormal determining module 105 whether occur when can detecte each master library Master write-in key it is different
Often, if there is exception, show that master library redis is unavailable at the time point, it further, can to prevent network abnormal situation
Frequency threshold value is set, such as when frequency of abnormity is greater than frequency threshold value (e.g., continuous 5 times can not be written), abnormality alarming module 106 can
To export unavailable warning information, alarm master library Master delay machine is unavailable.
Time delay difference calculating module 103, for determining current master-slave synchronisation time delay difference S3 according to S1 and S2.
In the specific implementation, time delay difference calculating module 103 can according to the key n value of master library Master with from library Slave
The value that inquiry gets the key $ n carries out time difference calculating, obtains the time delayed difference value S3 of current master-slave synchronisation, i.e., according to S1 and S2
Determine current master-slave synchronisation time delay difference S3, S3 in seconds.
Further, delay threshold can be set in above-mentioned apparatus, when time delay difference S3 is greater than delay threshold, time delay alarm
Module 107 can export principal and subordinate's time delay warning information.For example, when S3 is greater than 30 seconds, it is believed that current time delay is more serious, Ke Yijin
The alarm of row time delay, has achieved the purpose that accurate Delayed Alarm.
In an alternative embodiment, when S3 is 0 i.e. S1 and S2 equal, it is believed that current monitor is normal, when recording current
Between.
In an alternative embodiment, above-mentioned apparatus 10 can compare the gap between the S3 of front and back twice, according to the gap point
The suspicion whether current redis has delay to aggravate is analysed, or judges the performance of current redis master-slave synchronisation according to the difference.
In an alternative embodiment, final delay time can be reported to monitoring system by above-mentioned apparatus 10, for exploit person
Member's reference.
In embodiments of the present invention, by using the same monitoring table to principal and subordinate, it ensure that system time is unified, master
Field is modified in library, from library inquiry field, is then converted into timestamp to compare and obtain the number of seconds for monitoring true gap, according to system
The judgement of time more intuitively shows latency issue and principal and subordinate's availability between redis master-slave database.
The embodiment of the invention also provides a kind of computer storage medium, the computer storage medium can store more
Item instruction, described instruction are suitable for being loaded by processor and executing the method and step such as above-mentioned Fig. 1 and embodiment illustrated in fig. 2, specifically
Implementation procedure may refer to illustrating for Fig. 1 and embodiment illustrated in fig. 2, herein without repeating.
The embodiment of the present application also provides principal and subordinate's time delay monitoring devices that another is suitable for redis.As shown in figure 4,
Principal and subordinate's time delay monitoring device 20 suitable for redis may include: at least one processor 201, such as CPU, at least one net
Network interface 204, user interface 203, memory 205, at least one communication bus 202 can also include optionally display screen
206.Wherein, communication bus 202 is for realizing the connection communication between these components.Wherein, user interface 203 may include touching
Touch screen, keyboard or mouse etc..Network interface 204 optionally may include standard wireline interface and wireless interface (such as WI-FI
Interface), it can be established and be communicated to connect with server by network interface 204.Memory 205 can be high speed RAM memory,
It can be non-labile memory (non-volatile memory), for example, at least a magnetic disk storage, memory 205
Including the flash in the embodiment of the present invention.Memory 205 optionally can also be that at least one is located remotely from aforementioned processor
201 storage device.As shown in figure 4, as may include in a kind of memory 205 of computer storage medium operating device,
Network communication module, Subscriber Interface Module SIM and program instruction.
It should be noted that network interface 204 can connect receiver, transmitter or other communication modules, other communications
Module can include but is not limited to WiFi module, bluetooth module etc., it will be understood that suitable for redis's in the embodiment of the present invention
Principal and subordinate's time delay monitoring device also may include receiver, transmitter and other communication modules etc..
Processor 201 can be used for calling the program instruction stored in memory 205, and make the principal and subordinate suitable for redis
Time delay monitoring device 20 executes following operation:
One group of key $ n, key $ n is written including at least key0~key59 for the master library Master of redis, each key is corresponding
One $ value；
The $ value value S1 of the corresponding key of current number of seconds of master library Master is updated, while being inquired from library Slave same
$ value value S2 under key；
Current master-slave synchronisation time delay difference S3 is determined according to S1 and S2.
In some embodiments, device 20 is also used to store key $ n into db15, is that the key $ n in db15 is carried out just
Beginningization setting.
In some embodiments, device 20 is also used to determine redis's when key appearance exception is written in master library Master
Master library is unavailable in current number of seconds.
In some embodiments, device 20 is also used to be greater than frequency threshold value when the number of master library Master write-in key exception
When, export unavailable warning information.
In some embodiments, device 20 is also used to when time delay difference S3 is greater than delay threshold, and output principal and subordinate's time delay is accused
Alert information.
In embodiments of the present invention, by using the same monitoring table to principal and subordinate, it ensure that system time is unified, master
Field is modified in library, from library inquiry field, is then converted into timestamp to compare and obtain the number of seconds for monitoring true gap, according to system
The judgement of time more intuitively shows latency issue and principal and subordinate's availability between redis master-slave database.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (10)
1. a kind of principal and subordinate's time delay monitoring method suitable for redis characterized by comprising
One group of key $ n, the key $ n is written including at least key0~key59 for the master library Master of redis, each key is corresponding
One $ value；
The $ value value S1 of the corresponding key of current number of seconds of the master library Master is updated, while being inquired from library Slave same
$ value value S2 under key；
Current master-slave synchronisation time delay difference S3 is determined according to the S1 and the S2.
2. the method according to claim 1, wherein the method also includes:
The key $ n is stored into db15, is that the key $ n in the db15 carries out Initialize installation.
3. the method according to claim 1, wherein the method also includes:
When master library Master write-in key occurs abnormal, determine that the master library of the redis is unavailable in current number of seconds.
4. according to the method described in claim 3, it is characterized in that, the method also includes:
When the number of master library Master write-in key exception is greater than frequency threshold value, unavailable warning information is exported.
5. the method according to claim 1, wherein the method also includes:
When the time delay difference S3 is greater than delay threshold, principal and subordinate's time delay warning information is exported.
6. a kind of principal and subordinate's time delay monitoring device suitable for redis characterized by comprising
One group of key $ n is written for the master library Master for redis in Key writing module, the key $ n include at least key0~
The corresponding $ value of key59, each key；
Principal and subordinate's $ value determining module, the $ value value S1 of the corresponding key of current number of seconds for updating the master library Master,
$ value value S2 of the inquiry from library Slave at same key simultaneously；
Time delay difference calculating module, for determining current master-slave synchronisation time delay difference S3 according to the S1 and the S2.
7. device according to claim 6, which is characterized in that described device further include:
Key memory module carries out initialization for the key $ n in the db15 and sets for storing the key $ n into db15
It sets.
8. device according to claim 6, which is characterized in that described device further include:
Abnormal determining module, for determining that the master library of the redis exists when master library Master write-in key occurs abnormal
Current number of seconds is unavailable.
9. device according to claim 8, which is characterized in that described device further include:
Abnormality alarming module, for when the number of master library Master write-in key exception is greater than frequency threshold value, output can not
Use warning information.
10. a kind of computer storage medium, which is characterized in that the computer storage medium is stored with a plurality of instruction, the finger
It enables and is suitable for being loaded by processor and executing following steps:
One group of key $ n, the key $ n is written including at least key0~key59 for the master library Master of redis, each key is corresponding
One $ value；
The $ value value S1 of the corresponding key of current number of seconds of the master library Master is updated, while being inquired from library Slave same
$ value value S2 under key；
Current master-slave synchronisation time delay difference S3 is determined according to the S1 and the S2.
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| CN116149969A (en) * | 2023-04-04 | 2023-05-23 | 湖南中青能科技有限公司 | Database model matching anomaly monitoring and processing method |
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| CN109684410A (en) * | 2018-12-24 | 2019-04-26 | 浙江大华技术股份有限公司 | A kind of system, method and the storage medium of determining master-slave database synchronization delayed time |
| CN110334150A (en) * | 2019-06-05 | 2019-10-15 | 上海易点时空网络有限公司 | Monitor method, monitor terminal and the system of master-slave database synchronizing relay |
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