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    Accelerating concurrent access to a file in a memory-based file system
    1.
    发明授权
    Accelerating concurrent access to a file in a memory-based file system 有权

    公开(公告)号：US10956072B2

    公开(公告)日：2021-03-23

    申请号：US16585613

    申请日：2019-09-27

    Applicant: NetApp Inc.

    Inventor： Amit Golander ,  Sagi Manole ,  Boaz Harrosh

    IPC: G06F3/06 ,  G06F16/00 ,  G06F16/23

    Abstract: A method, apparatus and product for accelerating concurrent access to a file in a memory-based file system. The method comprising receiving a request issued by a program, for accessing a file stored in a memory-based file system; and subject to the request being associated with data modification of data within the file, and subject to the modification not necessitating change in a structure of a data structure used for content lookup for the file, acquiring a lock to the file to the program, wherein the lock is acquired in a shared mode.

    DATA UNIT CLONING IN MEMORY-BASED FILE SYSTEMS
    2.
    发明申请
    DATA UNIT CLONING IN MEMORY-BASED FILE SYSTEMS 审中-公开

    公开(公告)号：US20200320036A1

    公开(公告)日：2020-10-08

    申请号：US16904346

    申请日：2020-06-17

    Applicant: NETAPP, INC.

    Inventor： Amit Golander ,  Sagi Manole ,  Boaz Harrosh

    IPC: G06F16/13 ,  G06F16/178 ,  G06F16/27 ,  G06F16/22 ,  G06F16/901 ,  G06F3/06

    Abstract: A data structure used in memory-based file system, method and apparatus using thereof. The data structure comprising: a tree of the nodes comprising tree nodes and leaf nodes, each tree node points to at least one node, each leaf node is associated with a plurality of data unit elements each of which representing a data unit, wherein each data unit element is associated with two pointers, wherein at least one of the two pointers is capable of pointing to a data unit or to a data unit element; and a cyclic linked list of data unit elements representing identical clones of a data unit, wherein the cyclic linked list comprises a first element pointing directly to the data unit, wherein from each element in the cyclic linked list, the data unit can be reached in time complexity of O(1).

    Data unit cloning in memory-based file systems
    3.
    发明授权
    Data unit cloning in memory-based file systems 有权

    公开(公告)号：US10719479B2

    公开(公告)日：2020-07-21

    申请号：US15630453

    申请日：2017-06-22

    Applicant: NETAPP, INC.

    Inventor： Amit Golander ,  Sagi Manole ,  Boaz Harrosh

    IPC: G06F16/13 ,  G06F16/178 ,  G06F16/27 ,  G06F16/22 ,  G06F16/901 ,  G06F3/06

    Abstract: A data structure used in memory-based file system, method and apparatus using thereof. The data structure comprising: a tree of the nodes comprising tree nodes and leaf nodes, each tree node points to at least one node, each leaf node is associated with a plurality of data unit elements each of which representing a data unit, wherein each data unit element is associated with two pointers, wherein at least one of the two pointers is capable of pointing to a data unit or to a data unit element; and a cyclic linked list of data unit elements representing identical clones of a data unit, wherein the cyclic linked list comprises a first element pointing directly to the data unit, wherein from each element in the cyclic linked list, the data unit can be reached in time complexity of O(1).

    ACCELERATING CONCURRENT ACCESS TO A FILE IN A MEMORY-BASED FILE SYSTEM
    4.
    发明申请
    ACCELERATING CONCURRENT ACCESS TO A FILE IN A MEMORY-BASED FILE SYSTEM 审中-公开

    公开(公告)号：US20200026448A1

    公开(公告)日：2020-01-23

    申请号：US16585613

    申请日：2019-09-27

    Applicant: NetApp Inc.

    Inventor： Amit Golander ,  Sagi Manole ,  Boaz Harrosh

    IPC: G06F3/06 ,  G06F16/23 ,  G06F16/00

    Abstract: A method, apparatus and product for accelerating concurrent access to a file in a memory-based file system. The method comprising receiving a request issued by a program, for accessing a file stored in a memory-based file system; and subject to the request being associated with data modification of data within the file, and subject to the modification not necessitating change in a structure of a data structure used for content lookup for the file, acquiring a lock to the file to the program, wherein the lock is acquired in a shared mode.

    Data unit cloning in memory-based file systems
    5.
    发明授权
    Data unit cloning in memory-based file systems 有权

    公开(公告)号：US10983955B2

    公开(公告)日：2021-04-20

    申请号：US16904346

    申请日：2020-06-17

    Applicant: NETAPP, INC.

    Inventor： Amit Golander ,  Sagi Manole ,  Boaz Harrosh

    IPC: G06F16/13 ,  G06F16/178 ,  G06F16/27 ,  G06F16/22 ,  G06F16/901 ,  G06F3/06

    Abstract: A data structure used in memory-based file system, method and apparatus using thereof. The data structure comprising: a tree of the nodes comprising tree nodes and leaf nodes, each tree node points to at least one node, each leaf node is associated with a plurality of data unit elements each of which representing a data unit, wherein each data unit element is associated with two pointers, wherein at least one of the two pointers is capable of pointing to a data unit or to a data unit element; and a cyclic linked list of data unit elements representing identical clones of a data unit, wherein the cyclic linked list comprises a first element pointing directly to the data unit, wherein from each element in the cyclic linked list, the data unit can be reached in time complexity of O(1).

    Persistent memory based distributed-journal file system
    7.
    发明授权
    Persistent memory based distributed-journal file system 有权

    公开(公告)号：US10691553B2

    公开(公告)日：2020-06-23

    申请号：US14970611

    申请日：2015-12-16

    Applicant: NETAPP, INC.

    Inventor： Amit Golander ,  Boaz Harrosh ,  Sagi Manole

    IPC: G06F16/18 ,  G06F11/14

    Abstract: A persistent memory based distributed-journal file system, comprising: 1) Direct mapped persistent memory unit hosting at least a subset of a file system which contains a plurality of files each associated with a metadata record and a self-journal record. 2) A memory storing a program code. 3) One or more processors coupled to the persistent memory unit and the memory for executing the program code which comprises: (a) Creating a resources dataset which maps characteristics of the file system by analyzing the files' metadata records. (b) Receiving an alteration request to alter altered file(s) of the plurality of files. (c) Determining if the alteration is an atomic alteration which is applied to the file system in an atomic operation. (d) Logging an indication of the alteration in the respective self-journal record of the altered file(s) for non-atomic alteration. (e) Applying the alteration in the file system.

    METHODS AND SYSTEMS FOR MANAGING STORAGE DEVICE SPACE
    9.
    发明申请
    METHODS AND SYSTEMS FOR MANAGING STORAGE DEVICE SPACE 审中-公开

    公开(公告)号：US20200334165A1

    公开(公告)日：2020-10-22

    申请号：US16386884

    申请日：2019-04-17

    Applicant: NETAPP, INC.

    Inventor： Sagi Manole ,  Boaz Harrosh ,  Amit Golander

    IPC: G06F12/10

    Abstract: Methods and systems for a storage system are provided. One method includes updating a device mapping array upon addition of a second storage device for a computing system having at least a first storage device for storing information. The device mapping array includes a plurality of entries, each entry pointing to a starting address of the first and second storage device; and a number of the plurality of entries are based on a total storage capacity of the first and the second storage device. The method further includes mapping free blocks of a logical address space for the first and the second storage device to a plurality of units of an allocator address space; and assigning the mapped plurality of units of the allocator address space to a queue associated with a processor of the computing system.

    Accelerating concurrent access to a file in a memory-based file system
    10.
    发明授权
    Accelerating concurrent access to a file in a memory-based file system 有权

    公开(公告)号：US10466922B2

    公开(公告)日：2019-11-05

    申请号：US15085479

    申请日：2016-03-30

    Applicant: NETAPP, INC.

    Inventor： Amit Golander ,  Sagi Manole ,  Boaz Harrosh

    IPC: G06F3/06

    Abstract: A method, apparatus and product for accelerating concurrent access to a file in a memory-based file system. The method comprising receiving a request issued by a program, for accessing a file stored in a memory-based file system; and subject to the request being associated with data modification of data within the file, and subject to the modification not necessitating change in a structure of a data structure used for content lookup for the file, acquiring a lock to the file to the program, wherein the lock is acquired in a shared mode.

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