1. Method for computer-assisted design of a mechanical assembly comprising at least:
a step of graphic modeling of the mechanical assembly, which is three-dimensional and drivable by several elementary solids (SE) which can be parameterized, by the user, at least geometrically, independently from each other, wherein an elementary solid comprises a geometric structure that can be parameterized, by a user, at least geometrically, and represents a portion of a part or the removal of a portion of a part, a part being a structure, all the portions of which are immobile with respect to each other;
wherein the parameterizable geometric structures of the elementary solids are generic for several mechanical assemblies distinct from each other and fulfilling a same function, wherein the parameterization of said structures can differ from one mechanical assembly to another,
and wherein the elementary solids, on the one hand, and the graphical model, on the other hand, are stored in files that are distinct and linked to each other so that said graphical model remains drivable by said elementary solids, so that it is easier for the user to re-use said generic geometric structures.
2. Design method according to claim 1, wherein the elementary solids of the group are three-dimensional elements, respectively.
3. Design method according to claim 1, wherein several elementary solids represent part portions, respectively, and several other elementary solids represent removals of part portions, respectively.
4. Design method according to claim 1, wherein some geometric parameters of at least some elementary solids are driven by geometric parameters of a skeleton, and no geometric parameter of the skeleton is driven by the geometric parameters of the elementary solids.
5. Design method according to claim 1, wherein the skeleton can be displayed in the form of a group of points andor straight lines andor planes, to the exclusion of volumes.
6. Design method according to claim 1, wherein at least one elementary solid comprises one or several relationships representative of dependency links between parameters within this same elementary solid.
7. Design method according to claim 1, wherein at least one assembly of elementary solids is structured in the form of an assembly of functional slices, a functional slice being itself an assembly of elementary solids.
8. Design method according to claim 1, wherein the order of assembly of the elementary solids reflects the prioritization of the steps of the manufacturing process of the parts of the mechanical assembly.
9. Design method according to claim 1, wherein the parameters of the elementary solids include parameters from constraints imposed by the environment of the mechanical assembly.
10. Design method according to claim 1, wherein the parameters of the elementary solids include parameters from constraints imposed by the operation of the mechanical assembly.
11. Design method according to claim 1, wherein the parameters of the elementary solids include parameters from constraints imposed by the manufacturing process of the mechanical assembly.
12. Design method according to claim 1, wherein the parameters of the elementary solids from constraints imposed by the manufacturing process of the mechanical assembly constitute a majority of the group of parameters from constraints imposed by the manufacturing process of the mechanical assembly.
13. Design method according to claim 1, wherein the mechanical assembly belongs to a land motor vehicle.
14. Design method according to claim 1, wherein the graphical model file contains neither parameters from constraints imposed by the environment of the mechanical assembly, nor parameters from constraints imposed by the operation of the mechanical assembly, nor parameters from constraints imposed by the manufacturing process of the mechanical assembly.
15. Design method according to claim 1, wherein said step of graphic modeling is drivable by a skeleton which comprises a geometric structure that can be parameterized, by a user, at least geometrically, and that defines the shape and the position of under-assemblies of the mechanical assembly, wherein the parameterizable geometric structure of the skeleton is generic for several mechanical assemblies distinct from each other and fulfilling a same function, wherein the parameterization of said structure can differ from one mechanical assembly to another, and the skeleton and the graphical model are stored in files that are distinct and linked to each other so that said graphical model remains drivable by said skeleton so that it is easier for the user to re-use said generic geometric structure, wherein the skeleton can drive the elementary solids of the assembly.
16. Design method according to claim 1, wherein the skeleton comprises one or several relationships representative of dependency links between parameters.
17. Design method according to claim 16, wherein the skeleton is made from a dependency graph that prioritizes the parameters with respect to each other using dependency links between parameters and that is common to all the mechanical assemblies that fulfill a same function.
18. Design method according to claim 1, wherein the prioritization of the parameters in the dependency graph reflects the prioritization of the design steps of the mechanical assembly.
19. Design method according to claim 1, wherein the skeleton exists at least for one component, a component being a group of parts disposed such that if one of the parts is modified in its position or in its structure, the position as well as the structure of the other parts of the component can be modified.
20. Design method according to claim 1, wherein none of the parts has a skeleton.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method comprising:
receiving a data query instruction for execution, wherein execution of the data query instruction is to cause a data transfer into or from a data warehouse, the data warehouse comprising a number of data servers, wherein each of number of data servers are communicatively coupled for data transfer through a link aggregation group having at least two data links; and
responsive to receiving the data query instruction and prior to or at least partially overlapping with execution of the data query instruction to cause the data transfer,
determining that the data query instruction references data stored on one or more of the data servers;
identifying on which of the number of data servers the data referenced by the data query is stored or to be stored;
identifying, for each of the identified data servers, a minimum number of the at least two data links that are needed for the data transfer; and
activating, if inactive, the minimum number of the at least two data links for each of the identified data servers.
2. The method of claim 1, wherein activating of the minimum number of the at least two data links for each of the identified data servers comprises supplying power to the minimum number of the at least two data links for each of the identified data servers to bring a power state of the minimum number of the at least two data links to a full power state to enable data transfer over the minimum number of the at least two data links.
3. The method of claim 1, further comprising, responsive to receiving the data query instruction and prior to or at least partially overlapping with execution of the data query instruction to cause the data transfer,
deactivating, if active, at least one of the following:
at least one of the at least two data links for each of the identified data servers that are not part of the data transfer; and
at least one of at least two data links of the number of data servers that are not identified as part of the data transfer.
4. The method of claim 1, further comprising, responsive to receiving the data query instruction and prior to or at least partially overlapping with execution of the data query instruction to cause the data transfer,
activating, if inactive, ports of each of the identified data servers that are communicatively coupled to transfer data to and from the minimum number of the at least two data links.
5. The method of claim 1, further comprising, responsive to receiving the data query instruction and prior to or at least partially overlapping with execution of the data query instruction to cause the data transfer,
responsive to deactivating the at least one of the at least two data links for each of the identified servers, deactivating, if active, ports of each of the identified data servers that are communicatively coupled to transfer data to and from the at least one of the at least two data links; and
responsive to deactivating the at least one of the two data links of the number of data servers that are not identified as part of the data transfer, deactivating, if active, ports of the number of data servers that are not identified as part of the data transfer that are communicatively coupled to transfer data to and from the at least one of the at least two data links.
6. The method of claim 1, further comprising, responsive to receiving the data query instruction and prior to or at least partially overlapping with execution of the data query instruction to cause the data transfer,
identifying a length of time for the data transfer based on the amount of data that is part of the data transfer and the minimum number of the at least two data links that are needed.
7. The method of claim 6, further comprising deactivating the minimum number of the at least two data links after the length of time has expired since a start of the data transfer.
8. The method of claim 1, wherein identifying on which of the number of data servers the data referenced by the data query is stored or to be stored comprises at least one of:
interacting with a database in order to identify on which of the number of data servers the data referenced by the data query is stored or to be stored;
reading metadata in order to identify on which of the number of data servers the data referenced by the data query is stored or to be stored; and
generating an access plan, wherein the access plan indicates which of the number of data servers the data referenced by the data query is stored or to be stored on.
9. A method comprising:
receiving a data query instruction for execution, wherein execution of the data query instruction is to cause a data transfer into or from a data warehouse, the data warehouse comprising a number of data servers, wherein each of number of data servers are communicatively coupled for data transfer through a link aggregation group having at least two data links;
responsive to receiving the data query instruction and prior to or at least partially overlapping with execution of the data query instruction to cause the data transfer,
determining that the data query instruction references data stored on one or more of the data servers;
identifying on which of the number of data servers the data referenced by the data query is stored or to be stored;
identifying an amount of data that is part of the data transfer for each of the identified data servers;
identifying, for each of the identified data servers and based on the amount of data that is part of the data transfer for each of the identified data servers, a minimum number of the at least two data links that are needed for the data transfer;
activating, if inactive, the minimum number of the at least two data links for each of the identified data servers;
deactivating, if active, at least one of the following:
at least one of the at least two data links for each of the identified data servers that are not part of the data transfer; and
at least one of at least two data links of the number of data servers that are not identified as part of the data transfer.
10. The method of claim 9,
wherein activating of the minimum number of the at least two data links for each of the identified data servers comprises supplying power to the minimum number of the at least two data links for each of the identified data servers to bring a power state of the minimum number of the at least two data links to a full power state to enable data transfer over the minimum number of the at least two data links, and
wherein deactivating, if active, comprises reducing a supply of power to at least one of the at least two data links to bring a power state of the at least one of the at least two data links to a low power state such that data transfer cannot occur over the at least one of the at least two data links.
11. The method of claim 9, further comprising, responsive to receiving the data query instruction and prior to or at least partially overlapping with execution of the data query instruction to cause the data transfer,
activating, if inactive, ports of each of the identified data servers that are communicatively coupled to transfer data to and from the minimum number of the at least two data links.
12. The method of claim 9, further comprising, responsive to receiving the data query instruction and prior to or at least partially overlapping with execution of the data query instruction to cause the data transfer,
responsive to deactivating the at least one of the at least two data links for each of the identified servers, deactivating, if active, ports of each of the identified data servers that are communicatively coupled to transfer data to and from the at least one of the at least two data links; and
responsive to deactivating the at least one of the two data links of the number of data servers that are not identified as part of the data transfer, deactivating, if active, ports of the number of data servers that are not identified as part of the data transfer that are communicatively coupled to transfer data to and from the at least one of the at least two data links.
13. The method of claim 9, further comprising, responsive to receiving the data query instruction and prior to or at least partially overlapping with execution of the data query instruction to cause the data transfer,
identifying a length of time for the data transfer based on the amount of data that is part of the data transfer and the minimum number of the at least two data links that are needed.
14. The method of claim 13, further comprising deactivating the minimum number of the at least two data links after the length of time has expired since a start of the data transfer.
15. The method of claim 9, wherein identifying on which of the number of data servers the data referenced by the data query is stored or to be stored comprises at least one of:
interacting with a database in order to identify on which of the number of data servers the data referenced by the data query is stored or to be stored;
reading metadata in order to identify on which of the number of data servers the data referenced by the data query is stored or to be stored; and
generating an access plan, wherein the access plan indicates which of the number of data servers the data referenced by the data query is stored or to be stored on.