CN109920468A - A kind of method and system of SSD performance stable state verifying - Google Patents
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Abstract
The present invention proposes a kind of method and system based on the verifying of SSD performance stable state, and wherein method includes: SS1, obtains multiple continuous effective average values of IOPS；SS2, according to the multiple continuous effective average value of IOPS, obtain test performance steady-state value；SS3, SSD performance stable state is verified according to the test performance steady-state value.A kind of method and system based on the verifying of SSD performance stable state provided by the invention, realize the verifying of SSD performance stable state, have filled up the blank in terms of current SSD performance steady state test.Design principle of the present invention is reliable, and structure is simple, has very extensive application prospect.
Description
Technical field
The present invention relates to hard disk steady state test technical fields, and in particular to a method of it is verified based on SSD performance stable state
And system.
Background technique
SSD is abandoning tradition magnetic medium, and a kind of technology of data storage and reading is carried out using electronic storage medium, is broken through
The performance bottleneck of traditional mechanical hard disk, possesses high storage performance.
SSD hard disk compared to the advantage of traditional mechanical hard disk be high speed read-write efficiency and lower power consumption, but compare
Slightly has deficiency in the stability of mechanical hard disk readwrite performance.Especially in terms of random write, SSD blank panel shape at the beginning when random write
It is functional under state, but as hard disc data is more and more, hard disk garbage reclamation pressure is increasing, will do it under certain condition
Abrasion equilibrium and the reallocation of cold and hot data etc., so the performance of hard disk can also decline accordingly, when the performance and rubbish of hard disk write-in
When the ability of rubbish recycling reaches balance, that is, enter stable state.
When SSD hard disk is in stable state, random write performance can be held essentially constant, and server storage system also tends to steady at this time
Fixed, the associated storage performance data progress server that server storage system is obtained under the premise of this is comprehensive functional, steady
Qualitative test just can guarantee the reliability of the result of server test verifying.
Since the time that SSD performance enters stable state is uncertain, currently lack the method verified to SSD performance stable state.
To solve this problem, the present invention proposes a kind of method and system of SSD performance stable state verifying.
Summary of the invention
For the above-mentioned deficiency of the prior art, the present invention provides a kind of method and system of SSD performance stable state verifying, with solution
Certainly above-mentioned technical problem.
In a first aspect, the present invention provides a kind of method of SSD performance stable state verifying, comprising the following steps:
SS1, multiple continuous effective average values of IOPS are obtained；
SS2, according to the multiple continuous effective average value of IOPS, obtain test performance steady-state value；
SS3, SSD performance stable state is verified according to the test performance steady-state value.
Further, in the step SS1 obtain the effective average value of IOPS specifically includes the following steps:
SS101, IOPS is sampled, obtains multiple continuous IOPS values；
SS102, the average value for obtaining the multiple continuous IOPS value, are denoted as IOPS average value；
Whether SS103, the verifying IOPS average value are the effective average value of IOPS.
Further, verified in the step SS103 IOPS average value whether be the effective average value of IOPS method
It specifically includes:
Valid interval is obtained according to the IOPS average value；
If the multiple continuous IOPS value, in the valid interval, the IOPS average value is IOPS effectively flat
Mean value.
Further, test performance steady-state value is obtained according to the multiple continuous effective average value of IOPS in step SS2
Method specifically include:
The average value for obtaining the multiple effective average value of continuous IOPS, is denoted as test performance steady-state value.
Further, the method in step SS3 according to test performance steady-state value verifying SSD performance stable state is specifically wrapped
It includes:
Valid interval is obtained according to the test performance steady-state value；
If the multiple effective average value of continuous IOPS is in the valid interval, SSD enters performance stable state.
Second aspect, the present invention provide a kind of system of SSD performance stable state verifying, comprise the following modules:
The effective average value of IOPS obtains module, the effective average value of IOPS for obtaining multiple connections；
Test performance steady-state value obtains module, for obtaining test according to the multiple continuous effective average value of IOPS
Performance steady-state value；
SSD performance stable state authentication module, for verifying SSD performance stable state according to the test performance steady-state value.
Further, the effective average value of the acquisition IOPS specifically includes:
IOPS is sampled, multiple continuous IOPS values are obtained；
The average value for obtaining the multiple continuous IOPS value, is denoted as IOPS average value；
Verify whether the IOPS average value is the effective average value of IOPS.
Further, whether the verifying IOPS average value is that the effective average value of IOPS specifically includes:
Valid interval is obtained according to the IOPS average value；
If the multiple continuous IOPS value, in the valid interval, the IOPS average value is IOPS effectively flat
Mean value.
Further, it according to the multiple continuous effective average value of IOPS, obtains test performance steady-state value and specifically includes:
The average value for obtaining the multiple effective average value of continuous IOPS, is denoted as test performance steady-state value.
Further, it is specifically included according to test performance steady-state value verifying SSD performance stable state:
Valid interval is obtained according to the test performance steady-state value；
If the multiple effective average value of continuous IOPS is in the valid interval, SSD enters performance stable state.
The beneficial effects of the present invention are,
A kind of method and system of SSD performance stable state verifying provided by the invention, realize the verifying of SSD performance stable state,
The blank in terms of current SSD performance steady state test is filled up.Furthermore, it is necessary to it is clear that, due to the build-in attribute of SSD hard disk,
That is increasing with SSD hard disc data, hard disk garbage reclamation pressure increase, and hard disk will do it abrasion equilibrium and cold and hot data are divided again
Match, so that the decline of hard disk performance is caused, and when SSD hard disk enters homeostasis, the storage system of server can
Tend towards stability, the test subsequent to server of the stabilization of storage system, run it is most important, and since SSD performance enters stable state
Time it is indefinite, result in the unstable of server follow-up test, thus SSD performance stable state proposed by the present invention verifying
Method enables staff to carry out control to the performance steady-state process of SSD hard disk, convenient for the propulsion of follow-up work.
In addition, design principle of the present invention is reliable, structure is simple, has very extensive application prospect.
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, for those of ordinary skill in the art
Speech, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the method flow schematic diagram according to the SSD performance stable state verifying shown in an exemplary embodiment.
Fig. 2 is the method flow schematic diagram according to the acquisition effective average value of IOPS shown in an exemplary embodiment.
Fig. 3 is the system structure diagram according to the SSD performance stable state verifying shown in an exemplary embodiment.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
The Key Term occurred in the present invention is explained below:
SSD is abandoning tradition magnetic medium, and a kind of technology of data storage and reading is carried out using electronic storage medium, is broken through
The performance bottleneck of traditional mechanical hard disk, possesses high storage performance.
Input and output amount (or read-write number) IOPS (Input/Output Per Second) i.e. per second, is to measure magnetic
One of the main indicator of disk performance.IOPS refers to the I/O number of requests that system can be handled in the unit time, generally with processing per second
I/O number of requests be unit, I/O request is usually to read or write data operation request.
In order to make those skilled in the art better understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1 is the method flow schematic diagram of SSD performance stable state verifying shown according to an exemplary embodiment, such as Fig. 1 institute
Show, SSD performance stable state verifying method specifically includes the following steps:
SS1, multiple continuous effective average values of IOPS are obtained；
SS2, according to the multiple continuous effective average value of IOPS, obtain test performance steady-state value；
SS3, SSD performance stable state is verified according to the test performance steady-state value.
For technical solution shown in FIG. 1, specified otherwise is needed, the present invention realizes SSD through the above steps
The verifying of energy stable state, has filled up the blank in terms of current SSD performance steady state test.Furthermore, it is necessary to it is clear that, since SSD is hard
The build-in attribute of disk, i.e. increasing with SSD hard disc data, hard disk garbage reclamation pressure increase, and hard disk will do it abrasion equilibrium
It reallocates with cold and hot data, so that the decline of hard disk performance is caused, and when SSD hard disk enters homeostasis, server
Storage system can tend towards stability, the stabilization of storage system it is subsequent to server test, run it is most important, and due to
The time that SSD performance enters stable state is indefinite, results in the unstable of server follow-up test, proposed by the present invention thus
The method of SSD performance stable state verifying enables staff to carry out control to the performance steady-state process of SSD hard disk, convenient for subsequent
The propulsion of work.In addition, the read-write of SSD hard disk can be reacted to a certain extent by obtaining performance steady-state value in above-mentioned steps SS3
Energy.
In technical solution as shown in Figure 1, it is also necessary to which specified otherwise, step SS1, multiple values in SS2 are logical
It is often 25.
The above-mentioned effective average value of IOPS is to be worth defined in the present invention, and the explanation of concrete meaning obtains step dependent on it
Suddenly.It is as shown in Figure 2, obtain effective average value specifically includes the following steps:
SS101, IOPS is sampled, obtains multiple continuous IOPS values；
SS102, the average value for obtaining the multiple continuous IOPS value, are denoted as IOPS average value；
Whether SS103, the verifying IOPS average value are the effective average value of IOPS.
In above-mentioned steps SS103, verifying IOPS average value whether be the effective average value of IOPS method are as follows:
Valid interval is obtained according to the IOPS average value；
If the multiple continuous IOPS value, in the valid interval, the IOPS average value is IOPS effectively flat
Mean value.
It should be understood that when average value, that is, IOPS average value of the multiple continuous IOPS values obtained, in valid interval
When, above-mentioned IOPS average value is the effective average value of IOPS；Above-mentioned valid interval is the interval range obtained according to IOPS average value,
Under usual situation, using the 95%-105% of IOPS average value as valid interval.
Multiple values is usually 5 in above-mentioned steps SS101, SS102；Usual 2s is sampled to IOPS in step SS101 to take
Sample.
The method of the verifying of SSD performance stable state described in the present embodiment depends on the performance of SSD, passes through in the present embodiment
The performance of IOPS come realize SSD performance stable state verify；IOPS refers to the I/O number of requests that system can be handled in the unit time, one
As unit of the I/O number of requests of processing per second, I/O request is usually to read or write data operation request.
In technical solution as shown in Figure 1, it is also necessary to specified otherwise, according to the multiple continuous in step SS2
The effective average value of IOPS, the method for obtaining test performance steady-state value specifically include:
The average value for obtaining the multiple effective average value of continuous IOPS, is denoted as test performance steady-state value.
In technical solution as shown in Figure 1, it is also necessary to specified otherwise, it is steady according to the test performance in step SS3
The method of state value verifying SSD performance stable state specifically includes:
Valid interval is obtained according to the test performance steady-state value；
If the multiple effective average value of continuous IOPS is in the valid interval, SSD enters performance stable state.
The acquisition of above-mentioned valid interval is test performance steady-state value under usual situation according to test performance steady-state value
95%-105%.
When SSD enters performance stable state, above-mentioned performance steady-state value also can be used as the evaluation index of SSD hard disk performance.
For the technical solution of Fig. 1, it is also necessary to it is clear that, execute Fig. 1 technical solution verifying SSD performance stable state it
Before need to pre-process SSD hard disk, processing method can be full twice for overall sequential write.
For the technical solution of Fig. 1, note also that SSD hard disk can be divided into multiple scenes according to read-write ratio.As according to reading
It writes mixed proportion and obtains multiple scenes for 100/0,95/5,65/35,50/50,35/65,5/95.Technical solution shown in FIG. 1 can
It is tested under any one of the above scene, it should be noted that under the different scene of difference read-write mixed proportion, performance
Steady state test value is different.
For technical solution shown in FIG. 1, also need especially it is clear that, need to obtain in step SS1 multiple continuous
The effective average value of IOPS, multiple IOPS virtual values need continuously, and multiple IOPS virtual values are continuously sampled dependent on IOPS
What is be worth is continuous.
Based on the identical inventive concept of previous embodiment, as shown in Figure 3, the embodiment of the present invention discloses a kind of SSD performance
The system of stable state verifying, comprises the following modules:
The effective average value of IOPS obtains module, the effective average value of IOPS for obtaining multiple connections；
Test performance steady-state value obtains module, for obtaining test according to the multiple continuous effective average value of IOPS
Performance steady-state value；
SSD performance stable state authentication module, for verifying SSD performance stable state according to the test performance steady-state value.
For technical solution shown in Fig. 3, specified otherwise is needed, the present invention realizes SSD by above-mentioned module
The verifying of energy stable state, has filled up the blank in terms of current SSD performance steady state test.Furthermore, it is necessary to it is clear that, since SSD is hard
The build-in attribute of disk, i.e. increasing with SSD hard disc data, hard disk garbage reclamation pressure increase, and hard disk will do it abrasion equilibrium
It reallocates with cold and hot data, so that the decline of hard disk performance is caused, and when SSD hard disk enters homeostasis, server
Storage system can tend towards stability, the stabilization of storage system it is subsequent to server test, run it is most important, and due to
The time that SSD performance enters stable state is indefinite, results in the unstable of server follow-up test, proposed by the present invention thus
The method of SSD performance stable state verifying enables staff to carry out control to the performance steady-state process of SSD hard disk, convenient for subsequent
The propulsion of work.In addition, to react to a certain extent SSD hard for the performance steady-state value in above-mentioned SSD performance stable state authentication module
The readwrite performance of disk.
Technical solution as shown in Figure 3, needs specified otherwise, and the above-mentioned effective average value of IOPS is to define in the present invention
Value, the explanation of concrete meaning depends on its obtaining step.In the present embodiment, obtains effective average value and specifically includes:
IOPS is sampled, multiple continuous IOPS values are obtained；
The average value for obtaining the multiple continuous IOPS value, is denoted as IOPS average value；
Verify whether the IOPS average value is the effective average value of IOPS.
Above-mentioned verifying IOPS average value whether be the effective average value of IOPS method are as follows:
Valid interval is obtained according to the IOPS average value；
If the multiple continuous IOPS value, in the valid interval, the IOPS average value is IOPS effectively flat
Mean value.
It should be understood that when average value, that is, IOPS average value of the multiple continuous IOPS values obtained, in valid interval
When, above-mentioned IOPS average value is the effective average value of IOPS；Above-mentioned valid interval is the interval range obtained according to IOPS average value,
Under usual situation, using the 95%-105% of IOPS average value as valid interval.
It is above-mentioned that a sample is taken to the usual 2s of IOPS sampling.
The system of the verifying of SSD performance stable state described in the present embodiment depends on the performance of SSD, passes through in the present embodiment
The performance of IOPS come realize SSD performance stable state verify；IOPS refers to the I/O number of requests that system can be handled in the unit time, one
As unit of the I/O number of requests of processing per second, I/O request is usually to read or write data operation request.
In technical solution as shown in Figure 3, it is also necessary to which specified otherwise, test performance steady-state value obtain foundation in module
The multiple effective average value of continuous IOPS, the method for obtaining test performance steady-state value specifically include:
The average value for obtaining the multiple effective average value of continuous IOPS, is denoted as test performance steady-state value.
In technical solution as shown in Figure 3, it is also necessary to specified otherwise, according to institute in SSD performance stable state authentication module
The method for stating test performance steady-state value verifying SSD performance stable state specifically includes:
Valid interval is obtained according to the test performance steady-state value；
If the multiple effective average value of continuous IOPS is in the valid interval, SSD enters performance stable state.
The acquisition of above-mentioned valid interval is test performance steady-state value under usual situation according to test performance steady-state value
95%-105%.
When SSD enters performance stable state, above-mentioned performance steady-state value also can be used as the evaluation index of SSD hard disk performance.
For the technical solution of Fig. 3, it is also necessary to it is clear that, it is needed before the technical solution verifying SSD performance stable state of Fig. 3
SSD hard disk is pre-processed, processing method can be twice full for overall sequential write.
For the technical solution of Fig. 3, note also that SSD hard disk can be divided into multiple scenes according to read-write ratio.As according to reading
It writes mixed proportion and obtains multiple scenes for 100/0,95/5,65/35,50/50,35/65,5/95.Technical solution shown in Fig. 3 can
It is tested under any one of the above scene, it should be noted that under the different scene of difference read-write mixed proportion, performance
Steady state test value is different.
For technical solution shown in Fig. 3, also need especially it is clear that, the effective average value of IOPS obtain obtained in module it is more
A effective average value of continuous IOPS, multiple IOPS virtual values need continuously, and multiple IOPS virtual values continuously depend on
IOPS sampling value it is continuous.
Although by reference to attached drawing and combining the mode of preferred embodiment to the present invention have been described in detail, the present invention
It is not limited to this.Without departing from the spirit and substance of the premise in the present invention, those of ordinary skill in the art can be to the present invention
Embodiment carry out various equivalent modifications or substitutions, and these modifications or substitutions all should in covering scope of the invention/appoint
What those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, answer
It is included within the scope of the present invention.Therefore, protection scope of the present invention is answered described is with scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of method of SSD performance stable state verifying, which comprises the following steps:
SS1, multiple continuous effective average values of IOPS are obtained；
SS2, according to the multiple continuous effective average value of IOPS, obtain test performance steady-state value；
SS3, SSD performance stable state is verified according to the test performance steady-state value.
2. the method for SSD performance stable state verifying according to claim 1, which is characterized in that
In the step SS1 obtain the effective average value of IOPS specifically includes the following steps:
SS101, IOPS is sampled, obtains multiple continuous IOPS values；
SS102, the average value for obtaining the multiple continuous IOPS value, are denoted as IOPS average value；
Whether SS103, the verifying IOPS average value are the effective average value of IOPS.
3. the method for SSD performance stable state verifying according to claim 2, which is characterized in that
Verify whether the IOPS average value is that the method for the effective average value of IOPS specifically includes in the step SS103:
Valid interval is obtained according to the IOPS average value；
If the multiple continuous IOPS value, in the valid interval, the IOPS average value is that IOPS is effectively average
Value.
4. the method for SSD performance stable state verifying according to claim 2, which is characterized in that
According to the multiple continuous effective average value of IOPS in step SS2, the method for obtaining test performance steady-state value is specifically wrapped
It includes:
The average value for obtaining the multiple effective average value of continuous IOPS, is denoted as test performance steady-state value.
5. the method for SSD performance stable state verifying according to claim 4, which is characterized in that
Method in the step SS3 according to test performance steady-state value verifying SSD performance stable state specifically includes:
Valid interval is obtained according to the test performance steady-state value；
If the multiple effective average value of continuous IOPS is in the valid interval, SSD enters performance stable state.
6. a kind of system of SSD performance stable state verifying, which is characterized in that comprise the following modules:
The effective average value of IOPS obtains module, the effective average value of IOPS for obtaining multiple connections；
Test performance steady-state value obtains module, for obtaining test performance according to the multiple continuous effective average value of IOPS
Steady-state value；
SSD performance stable state authentication module, for verifying SSD performance stable state according to the test performance steady-state value.
7. SSD performance stable state according to claim 6 verifies system, which is characterized in that
The effective average value of the acquisition IOPS specifically includes:
IOPS is sampled, multiple continuous IOPS values are obtained；
The average value for obtaining the multiple continuous IOPS value, is denoted as IOPS average value；
Verify whether the IOPS average value is the effective average value of IOPS.
8. the system of SSD performance stable state verifying according to claim 7, which is characterized in that
Whether the verifying IOPS average value is that the effective average value of IOPS specifically includes:
Valid interval is obtained according to the IOPS average value；
If the multiple continuous IOPS value, in the valid interval, the IOPS average value is that IOPS is effectively average
Value.
9. the system of SSD performance stable state verifying according to claim 7, which is characterized in that
According to the multiple continuous effective average value of IOPS, obtains test performance steady-state value and specifically includes:
The average value for obtaining the multiple effective average value of continuous IOPS, is denoted as test performance steady-state value.
10. the system of SSD performance stable state verifying according to claim 9, which is characterized in that
It is specifically included according to test performance steady-state value verifying SSD performance stable state:
Valid interval is obtained according to the test performance steady-state value；
If the multiple effective average value of continuous IOPS is in the valid interval, SSD enters performance stable state.
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