CN109032977A - A kind of optimization method and server of PCIE SSD IO - Google Patents
A kind of optimization method and server of PCIE SSD IO Download PDFInfo
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- CN109032977A CN109032977A CN201810914622.3A CN201810914622A CN109032977A CN 109032977 A CN109032977 A CN 109032977A CN 201810914622 A CN201810914622 A CN 201810914622A CN 109032977 A CN109032977 A CN 109032977A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000005457 optimization Methods 0.000 title claims abstract description 11
- 238000003860 storage Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 10
- 230000001133 acceleration Effects 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 7
- 230000006870 function Effects 0.000 description 8
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 238000007781 pre-processing Methods 0.000 description 1
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- 238000013215 result calculation Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
- G06F13/24—Handling requests for interconnection or transfer for access to input/output bus using interrupt
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/061—Improving I/O performance
- G06F3/0611—Improving I/O performance in relation to response time
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
Abstract
A kind of method that the present invention discloses PCIE SSD IO optimization, comprising: after entering operating system, processor is run with high performance mode；Close interrupt requests balanced service.Invention additionally discloses a kind of servers.The method of the present embodiment is suitable for all servers, is conducive to the stability application of PCIE SSD, can greatly promote the stability of data center, promotes the competitiveness of product.
Description
Technical field
The present invention relates to computer and information technology, the method and server of espespecially a kind of operating system.
Background technique
Big data era, storage become more important.And as the single memory module hard disk in storage array for,
Performance level, stability and I/O and the flexible enlarging aspect for setting up array also become particularly important.As solid state hard disk is in market
On pour in, traditional mechanical hard disk increasingly seems unable to do what one wishes in terms of setting up the performance boost of array bring.
PCI-Express (Peripheral Component Interconnect Express, high speed serialization computer
Expansion bus standard) solid state hard disk compares the solid-state disks of other interfaces, possess more advanced connecting interface and mature memory
Administrative skill.On the one hand, PCI-E solid state hard disk eliminates optical-fibre channel, is directly realized by by high efficiency of transmission channel built in board
High-performance data transmission；On the other hand, on executing application load and storing data library platform, PCI-E solid state hard disk can be realized
More low latency, and cost is also lower.
As the application demand of data processing and storage is more and more, PCIE SSD (Solid State Drives, solid-state
Hard disk) demand be growing, such as communications industry distributed storage (ceph) software.Although performance is most important, in reality
In the data-center applications on border, what reliable and stable often enterprise more paid attention to, IO (input and output) performance of PCIE SSD
Stability has significant impact to business processing.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides the method and server of the optimization of PCIE SSD IO a kind of,
To improve the stability of PCIE SSD.
In order to reach the object of the invention, the present invention provides a kind of methods of the optimization of PCIE SSD IO, comprising:
Into after operating system, processor is run with high performance mode；
Close interrupt requests balanced service.
Optionally, after the entrance operating system, further includes:
Processor core and the interruption of high speed serialization computer expansion bus standard solid state hard disk are bound.
Optionally, before the entrance operating system, further includes:
Enter the configuration page of basic input output system in user interface, receives to the basic input output system
Configuration is configured；
After the entrance operating system, further includes:
Close following at least two or more configuration items according to above-mentioned setting: hyperthread, Intel's acceleration switch be enabled, core
Heart idle state enables automatically, Intel's virtualization miscellaneous function, EV DFX characteristic is enabled, L0 state is enabled, L1 state is enabled；
Processor idle states rank is in highest level.
Optionally, after the entrance operating system, further includes:
High speed serialization computer expansion bus standard input and output performance is surveyed by way of mixing random read-write
Examination.
Optionally, the mode of the mixing random read-write includes: 70% reading and 30% mode write.
A kind of server, comprising:
First processing module runs processor with high performance mode after entering operating system；
Second processing module, for closing interrupt requests balanced service.
Optionally, the server further include:
Binding module is carried out for interrupting processor core and high speed serialization computer expansion bus standard solid state hard disk
Binding.
Optionally, the server further include:
User interface receives for entering the configuration page of basic input output system to the basic input and output system
The configuration of system is configured；
Third processing module is closed following at least two or more according to above-mentioned setting and is matched after entering operating system
Set item: hyperthread, Intel's acceleration switch are enabled, core idle state enables automatically, Intel virtualization miscellaneous function, EV
DFX characteristic is enabled, L0 state is enabled, L1 state is enabled；Processor idle states rank is set to be in highest level.
Optionally, the server further include:
Test module is also used to by way of mixing random read-write input high speed serialization computer expansion bus standard
Output performance is tested.
Optionally, the mode of the mixing random read-write includes: 70% reading and 30% mode write.
A kind of server, including processor and computer readable storage medium are deposited in the computer readable storage medium
Contain instruction, wherein when described instruction is executed by the processor, realize the method that a kind of above-mentioned PCIE SSD IO optimizes.
The method of the present embodiment is suitable for all servers, is conducive to the stability application of PCIE SSD, can be significantly
The stability for promoting data center, promotes the competitiveness of product.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, right
Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is a kind of flow chart of the method for operating system of the embodiment of the present invention；
Fig. 2 is the schematic diagram of the server of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Step shown in the flowchart of the accompanying drawings can be in a computer system such as a set of computer executable instructions
It executes.Also, although logical order is shown in flow charts, and it in some cases, can be to be different from herein suitable
Sequence executes shown or described step.
Fig. 1 is a kind of flow chart of the method for operating system of the embodiment of the present invention, as shown in Figure 1, the present embodiment
Method may include:
Step 101, into after operating system, processor is run with high performance mode；
Step 102 closes interrupt requests balanced service.
It in one embodiment, can also include: to interrupt processor core and PCIE SSD after the entrance operating system
It is bound, it is possible to reduce the influence that processor drifts about to PCIE SSD stability reduces PCIE SSD and reads data, write-in
The response time of data.
In one embodiment, before the entrance operating system, can also include:
Enter the configuration of BIOS (Basic Input Output System, basic input output system) in user interface
The page, receiving are configured the configuration of the BIOS, comprising:
Following the enabled of at least two or more configuration items is set off: hyperthread (Hyper Threading), English
The enabled switch (Intel Speed Step (P States)) of Te Er acceleration switch, core idle state enable switch automatically
(Autonomous Core C State), Intel virtualize miscellaneous function (Intel VT for Directed I/O
(Intel VT-D)), the enabled switch of EV DFX characteristic, the enabled switch (LINK L0P Enable) of L0 state, L1 state is enabled opens
It closes (LINK L1Enable)；
Highest level is set by processor idle states rank (Package C State).
After the entrance operating system, can also include:
Close following at least two or more configuration items according to above-mentioned setting: hyperthread, Intel's acceleration switch be enabled, core
Heart idle state enables automatically, Intel's virtualization miscellaneous function, EV DFX characteristic is enabled, L0 state is enabled, L1 state is enabled；
Processor idle states rank is set to be in highest level.
The method of the embodiment of the present invention can be incited somebody to action based on linux system PCIE SSD IO stability optimization method
PCIE SSD IO stability promotes nearly 50%.
For the stability for promoting PCIE SSD IO performance, the present embodiment optimizes in terms of two, is on the one hand service
On the other hand the BIOS configuration optimization of device is (SuSE) Linux OS optimization.
It is embodied as follows:
Firstly, optimizing setting in the server B IOS page, setting parameter is as follows:
| BIOS configuration | Setting is enabled |
| Hyper Threading | It closes (unlatching) |
| Intel Speed Step(P States) | It closes |
| Autonomous Core C State | It closes |
| Package C State | C0/C1 |
| Intel VT for Directed I/O(Intel VT-D) | It closes |
| EV DFX Features | It closes |
| LINKL0P Enable | It closes |
| LINKL1Enable | It closes |
Then, server optimizes setting after entering operating system, and setting includes mainly following 3 part, sets in detail
It sets as follows:
A, high performance mode is set by processor operating status, setting script is as follows:
modprobe acpi_cpufreq
Num=`cat/proc/cpuinfo | grep pro | awk'{ print $ 3 } ' | wc-l`
For ((i=0；i<$num；I=i+1))；
do
echo$i
echo performance>/sys/devices/system/cpu/cpu$i/cpufreq/scaling_
governor；
cat/sys/devices/system/cpu/cpu$i/cpufreq/scaling_governor
done
B, IRQ (Interrupt Request, interrupt requests) balance service is closed
C, processor SMP (Symmetrical Multi-Processing, symmetric multi-processors) affinity is set, will be handled
Device core is bound with PCIESSD interruption, reduces delay), setting script is as follows:
#！/bin/bash
Folders=/proc/irq/*；
for folder in$folders；do
Files=" $ folder/* "；
for file in$files；do
If [[$ file==* " nvme " *]]；then
echo$file；
Contents=`cat $ folder/affinity_hint`；
echo$contents>$folder/smp_affinity；
cat$folder/smp_affinity；
fi
done
done
Finally, using fio (Flexible IO, multi-functional IO Workload generation device) progress data block be 4K, 70%
Reading, 30% write the test mode that mixing is read and write, and verify above-mentioned setting to the beneficial effect of PCIE SSD IO stability, survey in detail
Training sheet is as follows:
1) preprocessing process: twice of sequential write, then 4K random write 3 hours
Fio--filename=/dev/nvme0n1--ioengine=libaio--direct=1--t hread--
Norandommap--name=init_seq--output=init_seq_1.6T_U.2.log -- rw=write--bs=
128k--numjobs=1--iodepth=64--loops=2--norandommap
Fio--filename=/dev/nvme0n1--ioengine=libaio--direct=1--t hread--
Name=init_rand--output=init_rand_1.6T_U.2.log--rw=randwr ite--bs=4k--
Numjobs=8--iodepth=32--ramp_time=60--runtime=10800--time _ based-
norandommap
2) 24 hours of 4K mixing random read-write, before including 300 seconds data points of fio ramp_time do not count
./nmon_x86_64-s 20-c 4351-f&
Fio--filename=/dev/nvme0n1--ramp_time=300--runtime=86400 s--time_
Based--ioengine=libaio--direct=1--thread--norandommap--n ame=randrw_4K--rw
=randrw--rwmixread=70--bs=4k--numjobs=8--iodepth=32--log_ avg_msec=
2000--write_iops_log=iops_4K_Steady_1.6_U.2--output=rand rw_4K_Sum_Steady_
1.6_U.2.log--group_reporting--randrepeat=0
3) according to above-mentioned test result calculations CV (Coefficient of Variation, standard deviation/average value) system
Number, calculation method are as follows:
CV:=STDEV.S (D10:D4329)/AVERAGE (D10:D4329)
CV result is bigger, indicates that the dispersion degree of this group of data is bigger, also just reflects that stability is not good enough.
PCIE SSD IO stability can be promoted to 50% by the embodiment of the present invention, 24 hours fio results pair of detailed test
Than as follows:
Optimal setting-CV coefficient is not done: 0.5865%；
Optimal setting-CV coefficient: 0.2780%.
The method of the present embodiment is steady to verify PCIE IO by the way of 4K mixing random read-write (70% reads, 30% writes)
It is qualitative closer in the application scenarios of practical business.
The method of the present embodiment is suitable for all servers, is conducive to the stability application of PCIE SSD, can be significantly
The stability for promoting data center, promotes the competitiveness of product.
Fig. 2 is the schematic diagram of the server of the embodiment of the present invention, as shown in Fig. 2, the server 200 of the present embodiment can wrap
It includes:
First processing module 201 runs processor with high performance mode after entering operating system；
Second processing module 202, for closing interrupt requests balanced service.
In one embodiment, the server 200 can also include binding module 203: processor core and high speed are gone here and there
The interruption of row computer expansion bus standard solid state hard disk is bound.
In one embodiment, the server can also include: user interface 204, for entering the configuration page of BIOS,
Receiving is configured the configuration of the BIOS, comprising: is set off following the enabled of at least two or more configuration items:
The enabled switch of hyperthread, Intel's acceleration switch, core idle state enable switch automatically, Intel virtualizes miscellaneous function,
The enabled switch of EV DFX characteristic, the enabled switch of L0 state, the enabled switch of L1 state；It sets processor idle states rank to most
It is high-level.
Third processing module 205 after being also used to enter operating system, is closed at least two or more following according to above-mentioned setting
Configuration item: hyperthread, Intel's acceleration switch are enabled, core idle state enables automatically, Intel's virtualization miscellaneous function,
EV DFX characteristic is enabled, L0 state is enabled, L1 state is enabled；Processor idle states rank is set to be in highest level.
In one embodiment, the server can also include: test module 206, for passing through mixing random read-write
Mode tests PCIE SSD IO performance.
The mode of the mixing random read-write may include: 70% reading and 30% mode write.It can certainly be used
The mode of the mixing random read-write of its ratio, it is not limited to this.
The server of the embodiment of the present invention is optimized based on linux system PCIE SSD IO stability, can
PCIE SSD IO stability is promoted nearly 50%.
The embodiment of the present invention also provides a kind of server, including processor and computer readable storage medium, the calculating
Instruction is stored in machine readable storage medium storing program for executing, wherein when described instruction is executed by the processor, realize above-mentioned PCIE SSD
The method of IO optimization.
The embodiment of the invention also provides a kind of computer readable storage mediums, are stored with computer executable instructions,
The computer executable instructions are performed the method for realizing the PCIE SSD IO optimization.
It will appreciated by the skilled person that whole or certain steps, system, dress in method disclosed hereinabove
Functional module/unit in setting may be implemented as software, firmware, hardware and its combination appropriate.In hardware embodiment,
Division between the functional module/unit referred in the above description not necessarily corresponds to the division of physical assemblies；For example, one
Physical assemblies can have multiple functions or a function or step and can be executed by several physical assemblies cooperations.Certain groups
Part or all components may be implemented as by processor, such as the software that digital signal processor or microprocessor execute, or by
It is embodied as hardware, or is implemented as integrated circuit, such as specific integrated circuit.Such software can be distributed in computer-readable
On medium, computer-readable medium may include computer storage medium (or non-transitory medium) and communication media (or temporarily
Property medium).As known to a person of ordinary skill in the art, term computer storage medium is included in for storing information (such as
Computer readable instructions, data structure, program module or other data) any method or technique in the volatibility implemented and non-
Volatibility, removable and nonremovable medium.Computer storage medium include but is not limited to RAM, ROM, EEPROM, flash memory or its
His memory technology, CD-ROM, digital versatile disc (DVD) or other optical disc storages, magnetic holder, tape, disk storage or other
Magnetic memory apparatus or any other medium that can be used for storing desired information and can be accessed by a computer.This
Outside, known to a person of ordinary skill in the art to be, communication media generally comprises computer readable instructions, data structure, program mould
Other data in the modulated data signal of block or such as carrier wave or other transmission mechanisms etc, and may include any information
Delivery media.
Claims (11)
1. a kind of method of PCIE SSD IO optimization characterized by comprising
Into after operating system, processor is run with high performance mode；
Close interrupt requests balanced service.
2. the method according to claim 1, wherein after the entrance operating system, further includes:
Processor core and the interruption of high speed serialization computer expansion bus standard solid state hard disk are bound.
3. the method according to claim 1, wherein before the entrance operating system, further includes:
Enter the configuration page of basic input output system in user interface, receives the configuration to the basic input output system
It is configured；
After the entrance operating system, further includes:
Close following at least two or more configuration items according to above-mentioned setting: hyperthread, Intel's acceleration switch are enabled, core is empty
Not busy state enables automatically, Intel's virtualization miscellaneous function, EV DFX characteristic is enabled, L0 state is enabled, L1 state is enabled；
Processor idle states rank is in highest level.
4. method according to claim 1-3, which is characterized in that after the entrance operating system, further includes:
High speed serialization computer expansion bus standard input and output performance is tested by way of mixing random read-write.
5. according to the method described in claim 4, it is characterized in that,
The mode of the mixing random read-write includes: 70% reading and 30% mode write.
6. a kind of server characterized by comprising
First processing module runs processor with high performance mode after entering operating system；
Second processing module, for closing interrupt requests balanced service.
7. server according to claim 6, which is characterized in that the server further include:
Binding module, for tying up processor core and the interruption of high speed serialization computer expansion bus standard solid state hard disk
It is fixed.
8. server according to claim 6, which is characterized in that the server further include:
User interface receives for entering the configuration page of basic input output system to the basic input output system
Configuration is configured；
Third processing module closes following at least two or more configuration items according to above-mentioned setting after entering operating system:
Hyperthread, Intel's acceleration switch are enabled, core idle state enables automatically, Intel's virtualization miscellaneous function, EV DFX spy
Property it is enabled, L0 state is enabled, L1 state is enabled；Processor idle states rank is set to be in highest level.
9. according to the described in any item servers of claim 6-8, which is characterized in that the server further include:
Test module is also used to by way of mixing random read-write to high speed serialization computer expansion bus standard input and output
Performance is tested.
10. server according to claim 9, which is characterized in that
The mode of the mixing random read-write includes: 70% reading and 30% mode write.
11. a kind of server, including processor and computer readable storage medium, stored in the computer readable storage medium
There is instruction, wherein when described instruction is executed by the processor, realize the method that a kind of above-mentioned PCIE SSD IO optimizes.
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Cited By (1)
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| CN109992420A (en) * | 2019-04-08 | 2019-07-09 | 苏州浪潮智能科技有限公司 | A kind of Parallel PC IE-SSD performance optimization method and system |
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