摘要:
A computer-implemented method for migrating files to tiered storage systems may include 1) identifying at least one file to migrate from a first file system to a second file system, where the second file system may include a plurality of storage tiers, 2) identifying file metadata associated with the file as stored on the first file system, 3) before writing the file to the second storage system, selecting a storage tier from the plurality of storage tiers based at least in part on the file metadata, and 4) writing the file directly to the selected storage tier within the second file system to avoid moving the file to the selected storage tier after writing the file to the second file system. Various other methods, systems, and computer-readable media are also disclosed.
摘要:
Various computer-implemented methods for selective defragmentation are disclosed. In one example, an exemplary method for performing such a task may include: 1) identifying a file system, 2) tracking changes to files in the file system, 3) creating a list of changed files, and then 4) selectively defragmenting files in the list of changed files. Various other methods, systems, and computer-readable media are also disclosed.
摘要:
A computer-implemented method for copying database files may include (1) identifying a request to copy a database file to a target location, and in response to identifying the request to copy the database file to the target location, (2) identifying a preallocated but unused portion of the database file, (3) transmitting a used portion of the database file to the target location, and (4) transmitting a metadata representation of the unused portion of the database file to the target location, the metadata representation being smaller than the unused portion. Various other methods and systems are also disclosed.
摘要:
The present invention relates to process for reducing the endotoxin content of a sample of fermentation broth containing polysialic acid and endotoxin comprising the sequential steps: (i) adding to the sample a base having a pKa of at least 12 to form a basic solution having a pH of at least 12, incubating the solution for a pre-determined time at a pre-determined temperature; and (ii) recovery of PSA, suitably by (iii) passing the sample through an anion-exchange column whereby polysialic acid is absorbed on the ion exchange resin; (iv) washing the column with one washing buffer, whereby polysialic acid remains absorbed on the ion exchange resin; and (v) eluting the polysialic acid from the column using an elution buffer to provide a product solution of polysialic acid having reduced endotoxin content.
摘要:
A hardware-based rate control engine is designed to allow credits to be accumulated over multiple time-slices up to a maximum credit limit. The rate control engine is also allowed to dispatch packets up to a maximum drain rate during each time-slice as long as sufficient credits are available. Allowing credits to accumulate over multiple time slices allows unused bandwidth to be saved during times of little or no traffic and used when the subsequent traffic bursts arrive. Additionally, limiting the maximum drain rate puts a cap on how fast the saved bandwidth can be consumed by subsequent traffic bursts. The rate control settings can be adapted in response to a characteristic, or characteristics, of the traffic flow. For example, one group of settings of a traffic flow can be used for bursty traffic, while a different group of settings can be used for smooth traffic.
摘要:
A data storage management system includes a virtual provider for interacting with a coordinator to receive shadow copy requests from a requestor and for interfacing with a plurality of providers that support various logical units on which data volumes can be stored. The virtual provider appears to the coordinator as a provider and can generate a shadow copy of a first one of the data volumes that spans multiple ones of the logical units, which are supported by different ones of the plurality of providers.
摘要:
The invention relates to products for, and methods of, monitoring and controlling work progress, and improving work productivity and work management, for example in highly variable and/or unpredictable work environments, and to products for, and methods of, interactive data processing particularly adapted for systems comprising a handheld mobile component
摘要:
The present invention provides a packet processing device and method. A parsing processor provides instruction-driven content inspection of network packets at 10-Gbps and above with a parsing engine that executes parsing instructions. A flow state unit maintains statefulness of packet flows to allow content inspection across several related network packets. A state-graph unit traces state-graph nodes to keyword indications and/or parsing instructions. The parsing instructions can be derived from a high-level application to emulate user-friendly parsing logic. The parsing processor sends parsed packets to a network processor unit for further processing.
摘要:
Novel piperzine derivatives substituted on one nitrogen by an aromatic system and on the other nitrogen by (2,5-dioxopyrrolidin)-1-yl) alkanes or (2,6-dioxopiperidin-1-yl) alkanes have been found to exhibit selective &agr;1A adrenergic activity. The compounds are useful for treatment of disease conditions, such as peripheral vascular disease, congestive heart failure, hypertension and especially benign prostatic hypertrophy.
摘要:
A clock throttling mechanism turns off certain processor components to minimize power consumption. The processor detects the issuance of certain bus cycles or the execution of certain instructions which typically cause the processor to be idle for a period of time. Control circuitry detects the existence of the instruction and/or bus cycle and shuts down the clock driving certain processor components during that idle period. The control circuitry then detects the occurrence or upcoming occurrence of an event to which the processor responds and becomes active. At detection of this event, the clock signal input to these components is then restarted such that the processor can continue normal execution.