EP3568766A1 - Procédé d'analyse des règles d'évolutions entre les niveaux d'utilisation des ressources d'un système informatique - Google Patents
Procédé d'analyse des règles d'évolutions entre les niveaux d'utilisation des ressources d'un système informatiqueInfo
- Publication number
- EP3568766A1 EP3568766A1 EP18702743.8A EP18702743A EP3568766A1 EP 3568766 A1 EP3568766 A1 EP 3568766A1 EP 18702743 A EP18702743 A EP 18702743A EP 3568766 A1 EP3568766 A1 EP 3568766A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- series
- values
- measurements
- value
- period
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3452—Performance evaluation by statistical analysis
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3466—Performance evaluation by tracing or monitoring
- G06F11/3495—Performance evaluation by tracing or monitoring for systems
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3006—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system is distributed, e.g. networked systems, clusters, multiprocessor systems
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/302—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a software system
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3409—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for performance assessment
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/15—Correlation function computation including computation of convolution operations
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3442—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for planning or managing the needed capacity
Definitions
- the present invention relates to the field of monitoring a computer infrastructure, this expression designating all the hardware and software components of the computer system of a company or an organization.
- the invention relates more particularly to the field of resource analysis (in particular processor, operating system, memory) of a computer infrastructure on which is hosted an application link chain, that is to say, for a process, a functional chain connecting several applications that work together to complete the process.
- Sizing refers to the capabilities (computational, memorial) servers, coupled with the availability of resources (hardware and software).
- a scaling up of a computer system can be accompanied by a progressive saturation of system resources within the same functional chain (or application link chain).
- the saturation of a resource blocks the scalability of the system and therefore prevents the possibility of saturation of other resources in the chain.
- the use of one resource may induce the use of another resource.
- the level of use of the processors of the machine A depends on the progress of the recordings on machine B.
- Each resource is characterized by a maximum utilization level for optimal operation (for example, eighty percent for a processor).
- the present invention aims at providing a method for defining a correlation of the level of use of a resource A with respect to the utilization level of a resource B in order to determine when the resource B is saturated without the resource A it is, the dimensioning of the resource B necessary to reach the maximum level of the resource A.
- the objective is to dimension coherently and optimally the resources of a computer system and to avoid the saturations of the resources and their consequences.
- An objective of the present invention is to allow an automatic analysis of the resource consumption of a computer system and to deduce correlations between the levels of use of the resources.
- a method for evaluating the performance of an application chain within a computing infrastructure comprising a number N of resources denoted R t (with i an integer between 1 and N), comprising the steps of:
- n is between 3 and 60.
- each measurement series is carried out over a time interval greater than or equal to 2 hours.
- each series of measurements is carried out with a sampling period ech period of one minute.
- the value T is 95%.
- the number of pairs of subsets is between 1 and 100.
- the step of selecting the subsets X ' k1 and X' k2 comprises the operations of:
- the algorithm for finding an affine relation between two series of measurements includes the operations of:
- X ' kl t are the values in the series with the ind ective.
- the parameter p min is set to a value between 1 and 10.
- the parameter p max is set to a value between 1 and 1 00.
- FIG.1 is a schematic representation of five resources and possible combinations between the series of measurements made on these resources.
- FIG. 2 is a functional diagram illustrating various steps of the method of searching for the rules of evolution between the different resources of a computer system.
- the LISTI NG.1 is a pseudo code describing an embodiment of the method in the case of the search for a rule of evolution between two series of measurements.
- a computer architecture (or system, or even infrastructure) conventionally comprises various resources, hardware and / or software, which, to accomplish processes, are interconnected to form one or more functional chains (or application link string (s), or application string (s)).
- N N an integer
- R i i an integer such that l ⁇ i ⁇ N
- the principle is to look for evolution rules between several series of measurements made on the resources, typically the level of use, the load, the available memory, the memory or the disk space busy (e).
- evolution rule is meant an affine correlation relationship between two sets of measures relating to resource utilization levels R t .
- FIG.1 provides an example of five rated resources
- One step of the method consists in performing and collecting a plurality of series of measurements denoted X k , each measure providing a level (or rate) of use of a resource R t .
- These series are denoted X 1 to X 5 in the example of FIG.
- the level of use of a resource is a physical quantity, the nature of which may vary according to the type of resource being examined. It can be a power consumed in the case of a processor (eg a central processor), a percentage of the maximum transfer rate in the case of a hard disk, or a percentage of the capacity total (or occupancy rate) in the case of a RAM.
- FIG. 2 illustrates the main steps of the method.
- a preliminary step consists in collecting a number M (M an integer not necessarily equal to N) predefined series of measurements made all sw the same time interval and with
- the measurements are advantageously performed automatically by a program running on one or more server (s) integrated into the IT infrastructure.
- the measurements are preferably made (and collected) over a time interval of at least 2 hours, with a sampling period of one minute.
- the measurements are carried out over a period of four hours (typically between 08:00 and 12:00, with a sampling period of one minute (ie two successive measurements are spaced apart by one minute).
- Measures allow eg. determine the level of activity of a Central Processing Unit (CPU) and disks of two servers.
- CPU Central Processing Unit
- the method proposed by the present invention makes it possible to determine affine type correlations between the activities of the processors and the disks of the two servers, according to all the possible combinations:
- a series of measurements may be the result of a measurement or the aggregation of the results of several measurements made simultaneously.
- a series of measurements may contain the sum of the bit rates of all the disks present on a machine.
- the correlation search method proposed by the present invention aims, for a set of series of measurements collected, to establish correlation relations between different pairs of series of measurements noted (where k1 and k2 are integers between 1 and M and where kl ⁇ k2) from the collected measurements.
- Each pair of series of measurements corresponds to a particular combination of two series of measurements.
- a series of measurements X k is collected for each resource R t , ie each measurement series X k corresponds to the level of use of a resource R t , then there will be ten possible pairs of series of measurements noted from 1 to 1 0.
- an objective of the present invention is the determination of correlation relations for all possible combinations of two series of measurements.
- a first step consists of selecting two series of measurements X kl and X k2 from the set of measured series of measurements.
- a second step is to look for an affine correlation relation on at least n v values (n "an adjustable integer) between the two series of measurements X kl and X k2 .
- This affine correlation relation is illustrated by equation (1):
- t is an integer index such that l ⁇ t ⁇ n v .
- T is called percentage tolerance and is advantageously set at 95%. According to a preferred embodiment, is advantageously between 3 and 60.
- the method comprises a next step of calculating the saturation values of the series of measurements X kl
- the evolution rule found is such that the resource associated with the series of measurements X k2 will saturate before the resource associated with the series of measurements X kl . More precisely, the resource X k2 will begin to saturate when the resource X kl will approach the value of
- a variant consists in carrying out this same process for a multitude of pairs of subassemblies obtained from a series of measurements
- n v predefined values in the series X kl .
- X ' k2 is obtained from X k2 .
- FIG. 1 illustrates an example where the correlation relation is calculated directly on the series of measurements
- n- is equal to the number of values contained in each series
- the user-adjustable parameters are:
- the search intervals cover all the values of X kl and of is equal to the size of the sequence X kl and the size of X k2 .
- the operation consists in selecting a value on n s in X kl and integrating it into the subset X' ki . For example, if n s is 2, a value of 2 will be selected in X kl to build X ' kl .
- a correlation relation is found for the X kl and X k2 series if correlation relations are found for all the generated subset pairs.
- the number of pairs of subassemblies used is between 1 and 100.
- the calculation of the value of a is done by calculating the ratio between the average of the differences between the successive values of the
- an exemplary embodiment consists of generating a list Z from the n v values of the list in which
- each value Z (t) is connected to the value by the relation of
- the step of generating a list Z (t) is an intermediate step that is not essential for calculating the percentage P (t), which can be calculated directly as shown in equation (2). This step generates a sequence of percentages that can be noted P and which contains riy values noted P (t). 11
- this method makes it possible to generate correlation relationships between several series of measurements, which can be used to define a better dimensioning of the production infrastructures.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Quality & Reliability (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Optimization (AREA)
- Computational Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Analysis (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- Algebra (AREA)
- Life Sciences & Earth Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Bioinformatics & Computational Biology (AREA)
- Evolutionary Biology (AREA)
- Probability & Statistics with Applications (AREA)
- Debugging And Monitoring (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1750281A FR3061785B1 (fr) | 2017-01-12 | 2017-01-12 | Procede d'analyse des regles d'evolutions entre les niveaux d'utilisation des ressources d'un systeme informatique |
| PCT/FR2018/000005 WO2018130762A1 (fr) | 2017-01-12 | 2018-01-11 | Procédé d'analyse des règles d'évolutions entre les niveaux d'utilisation des ressources d'un système informatique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3568766A1 true EP3568766A1 (fr) | 2019-11-20 |
Family
ID=58992964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18702743.8A Withdrawn EP3568766A1 (fr) | 2017-01-12 | 2018-01-11 | Procédé d'analyse des règles d'évolutions entre les niveaux d'utilisation des ressources d'un système informatique |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20190384688A1 (fr) |
| EP (1) | EP3568766A1 (fr) |
| FR (1) | FR3061785B1 (fr) |
| WO (1) | WO2018130762A1 (fr) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5987477A (en) * | 1997-07-11 | 1999-11-16 | International Business Machines Corporation | Parallel file system and method for parallel write sharing |
| US8180716B2 (en) * | 2008-03-24 | 2012-05-15 | At&T Intellectual Property I, L.P. | Method and device for forecasting computational needs of an application |
| US9098342B2 (en) * | 2009-09-18 | 2015-08-04 | Nec Laboratories America, Inc. | Extracting overlay invariants network for capacity planning and resource optimization |
| CN103455486B (zh) * | 2012-05-28 | 2016-09-28 | 国际商业机器公司 | 安置数据库的方法和系统 |
| US9317387B2 (en) * | 2013-06-11 | 2016-04-19 | Vmware, Inc. | Methods and systems for reducing metrics used to monitor resources |
| WO2015141218A1 (fr) * | 2014-03-18 | 2015-09-24 | 日本電気株式会社 | Dispositif de traitement d'informations, procédé d'analyse et support d'enregistrement de programme |
| WO2016029974A1 (fr) * | 2014-08-29 | 2016-03-03 | Nec Europe Ltd. | Procédé de fonctionnement d'une infrastructure de réseau virtuelle |
| US20160224379A1 (en) * | 2015-01-29 | 2016-08-04 | The Intellisis Corporation | Mapping Processes to Processors in a Network on a Chip Computing System |
-
2017
- 2017-01-12 FR FR1750281A patent/FR3061785B1/fr active Active
-
2018
- 2018-01-11 WO PCT/FR2018/000005 patent/WO2018130762A1/fr not_active Ceased
- 2018-01-11 US US16/477,493 patent/US20190384688A1/en not_active Abandoned
- 2018-01-11 EP EP18702743.8A patent/EP3568766A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018130762A1 (fr) | 2018-07-19 |
| FR3061785B1 (fr) | 2021-01-29 |
| FR3061785A1 (fr) | 2018-07-13 |
| US20190384688A1 (en) | 2019-12-19 |
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