Health check as a service
Granted: November 12, 2024
Patent Number:
12143284
Example methods and systems for health check as a service are described. One example may involve a computer system receiving a request to perform a health check for a network environment that includes a set of multiple flows. The computer system may select a subset that includes (a) a first flow between a first pair of endpoints and (b) a second flow between a second pair of endpoints. The health check may be initiated for the first flow and the second flow by generating and sending (a)…
Stun free snapshots in virtual volume datastores using delta storage structure
Granted: November 12, 2024
Patent Number:
12141463
The disclosure provides a method for virtual volume snapshot creation by a storage array. The method generally includes receiving a request to generate a snapshot of a virtual volume associated with a virtual machine, in response to receiving the request, preparing a file system of the storage array to generate the snapshot, wherein preparing the file system comprises creating a delta storage structure to receive write input/output (I/O) requests directed for the virtual volume when…
Performing resynchronization jobs in a distributed storage system based on a parallelism policy
Granted: November 12, 2024
Patent Number:
12141440
The disclosure herein describes performing resynchronization (“resync”) jobs in a distributed storage system based on a parallelism policy. A resync job is obtained from a queue and input/output (I/O) resources that will be used during execution of the resync job are identified. Available bandwidth slots of each I/O resource of the identified I/O resources are determined. The parallelism policy is applied to the identified I/O resources and the available bandwidth slots. Based on the…
Performance efficient blockchain application programming interfaces
Granted: November 12, 2024
Patent Number:
12141128
This disclosure describes aspects of an efficient blockchain API communication mechanism that reduces the energy usage and data usage. In some examples, a publish-subscribe mechanism is used for completed transaction receipts for blockchain transactions of a blockchain. The publish-subscribe mechanism uses an open source remote procedure call protocol or hypertext transfer protocol (HTTP). Components of a distributed blockchain application use a single transport or communications…
Efficient write-back for journal truncation
Granted: November 12, 2024
Patent Number:
12141063
A method for efficient write-back for journal truncation is provided. A method includes maintaining a journal in a memory of a computing system including a plurality of records. Each record indicates a transaction associated with one or more pages in an ordered data structure and maintaining a dirty list including an entry for each page indicated by a record in the journal. Each entry in the dirty list includes a respective first log sequence number (LSN) associated with a least recent…
Managing deployment of cloud-native network functions (CNFs)
Granted: November 5, 2024
Patent Number:
12137154
Described herein are systems, methods, and software to manage new and updated containerized network functions (CNFs). In one implementation, a management service identifies a CNF in a first repository. Once identified, the management service identifies one or more configuration parameters associated with the CNF and updates one or more files for the CN with the one or more configuration parameters. The management service then stores at least the one or more files for the CNF in a second…
Dynamic rate limiting of incoming data streams
Granted: November 5, 2024
Patent Number:
12137054
The rate of incoming data records in a data stream is dynamically limited based on stream delay. A current delay representing a latency between a beginning of the data stream and a currently processed data record is obtained. A maximum delay representing a maximum tolerated delay is determined. A threshold delay representing a delay value that triggers calculation of a new drop rate is determined. A drop rate is calculated based on the current delay, the maximum delay, and the threshold…
Processing I/O commands using block size aware polling
Granted: November 5, 2024
Patent Number:
12135661
Example computer-implemented methods, media, and systems for processing input/output (I/O) commands using block size aware polling are disclosed. One example method includes creating multiple polling queues and multiple interrupt queues in a transport drivers layer of a storage stack. A first I/O command is received from a core layer of the storage stack and by the transport drivers layer. A ratio of a total number of multiple small block size commands in the transport drivers layer to a…
Container-level monitoring
Granted: November 5, 2024
Patent Number:
12135626
Embodiments of the present disclosure relate to container-level monitoring. Embodiments include detecting, by an agent of a virtual machine, an event. Embodiments include determining, by the agent of the virtual machine, an address related to the event. Embodiments include accessing, by the agent of the virtual machine, container mapping information. Embodiments include locating, by the agent of the virtual machine, the address in the container mapping information. Embodiments include…
Distributed service chain across multiple clouds
Granted: October 29, 2024
Patent Number:
12132780
Some embodiments of the invention provide novel methods for performing services on data messages passing through a network connecting one or more datacenters, such as software defined datacenters (SDDCs). The method of some embodiments uses service containers executing on host computers to perform different chains (e.g., ordered sequences) of services on different data message flows. For a data message of a particular data message flow that is received or generated at a host computer,…
Providing recommendations for implementing virtual networks
Granted: October 29, 2024
Patent Number:
12132671
Some embodiments provide a novel method for deploying different virtual networks over several public cloud datacenters for different entities. For each entity, the method (1) identifies a set of public cloud datacenters of one or more public cloud providers to connect a set of machines of the entity, (2) deploys managed forwarding nodes (MFNs) for the entity in the identified set of public cloud datacenters, and then (3) configures the MFNs to implement a virtual network that connects…
Change management service
Granted: October 29, 2024
Patent Number:
12131189
A computer-implemented method, computer-readable medium, and computer system that involve operations including receiving, from a computing cluster, a first request for changing a first object type specified by an approval policy resource, where the approval policy resource is a first one of a plurality of custom resources; identifying, in response to receiving the first request and using a second custom resource of the plurality, an approval process associated with the first object type;…
Cluster leader selection via ping tasks of service instances
Granted: October 29, 2024
Patent Number:
12131176
An example method of executing a periodic task of a service having service instances replicated across hosts in a cluster of a virtualized computing system, the service instances executing in pods implemented by virtual machines (VMs) on the hosts, the method including: persisting, by ping tasks of the service instances, records in a pod information table of a database, the records including pod identifiers of the pods and leader indicators; determining, by a first ping task, a…
Efficient incremental journal truncation policy
Granted: October 29, 2024
Patent Number:
12131021
A method for efficient journal truncation is provided. A method for journal truncation includes maintaining a journal in a memory of a computing system including a plurality of records. Each record indicates a transaction in an ordered data structure. The method includes maintaining a truncation queue in the memory including one or more entries. Each entry in the truncation queue includes a physical on-disk offset associated with a different record of the plurality of records. The method…
System and method for anonymizing sensitive information in logs of
Granted: October 29, 2024
Patent Number:
12130945
System and method for anonymizing logs generated in applications running in a computing environment detects log data being generated in an application and compares the log data to a set of predefined search pattern policies to find sensitive information contained in the log data. The sensitive information contained in the log data is converted into anonymous information to produce anonymized log data within the application. The anonymized log data is then written to a destination.
Distributed appending of transactions in data lakes
Granted: October 29, 2024
Patent Number:
12130834
Distributed appending of transactions in data lakes is described. A first message is received, at a first ingestion node of a plurality of ingestion nodes, as part of a transaction. The first message identifies a transaction identifier (ID) and a portion of data for the transaction. The data of the first message is persisted in temporary storage. A count of messages for the transaction for the first ingestion node is determined. Based on at least the count of messages, it is determined…
Enhanced locking mechanism for B+ tree data structures
Granted: October 29, 2024
Patent Number:
12130791
A method for modifying key-value pairs of a B+ tree is provided. The method receives a request to modify a particular key-value pair. Each node of the tree has a modification number. The method traverses a path on the tree from the root node toward the particular node. The traversing includes upon reaching a parent node of the path, acquiring a shared lock on both the parent node and a child node one level below the parent node. Upon determining that the child node is the particular…
Saving virtual memory space in a clone environment
Granted: October 29, 2024
Patent Number:
12130734
Virtual memory space may be saved in a clone environment by leveraging the similarity of the data signatures in swap files when a chain of virtual machines (VMs) includes clones spawned from a common parent and executing common applications. Deduplication is performed across the chain, rather than merely within each VM. Examples include generating a common deduplication identifier (ID) for the chain; generating a logical addressing table linked to the deduplication ID, for each of the…
Flexible byzantine fault tolerance
Granted: October 29, 2024
Patent Number:
12130714
A method and system for performing a flexible Byzantine fault tolerant (BFT) protocol. The method includes sending, from a client device, a proposed value to a plurality of replica devices and receiving, from at least one of the plurality of replica devices, a safe vote on the proposed value. The replica device sends the safe vote, based on a first quorum being reached, to the client device and each of the other replica devices of the plurality of replica devices. The method further…
Distributed policy-based provisioning and enforcement for quality of service
Granted: October 22, 2024
Patent Number:
12126536
Embodiments of the disclosure provide techniques for measuring congestion and controlling quality of service to a shared resource. A module that interfaces with the shared resource monitors the usage of the shared resource by accessing clients. Upon detecting that the rate of usage of the shared resource has exceeded a maximum rate supported by the shared resource, the module determines and transmits a congestion metric to clients that are currently attempting to access the shared…
