Abstract: A user device is operable to determine a query request based on first user input to a graphical user interface displayed by the user device. Query cost data is determined based on the query request. A prompt is displayed via the graphical user interface that indicates the query cost data. Query approval data is determined based on second user input to the graphical user interface in response to the prompt. The query request is transmitted to an analytics system for execution against a database system when the query approval data indicates approval to transmit the query request.

Abstract: A method includes determining, by a computing device of a storage network, a storage inconsistency exists for a set of encoded data slices based on an indicator of a difference list, where the difference list is regarding storage of the set of encoded data slices within a set of storage units of the storage network and where a data segment is error encoded into the set of encoded data slices. The method further includes determining a storage resolution of a plurality of storage resolutions for the storage inconsistency based on the one or more indicators. The method further includes facilitating the storage resolution to resolve the storage inconsistency for the set of encoded data slices.

Abstract: A method for execution by a storage network includes receiving a request pertaining to a data object. Metadata associated with the data object is determined and used to identify data segments associated with the data object and a set of storage units associated with the data segments. Based on a set of query requests, a response is received from a storage unit from the set of storage units. When the response indicates a storage environment that is unfavorable as compared to predetermined performance metrics, the storage network facilitates migration of encoded data slices associated with the storage unit to another storage unit.

Abstract: A node of a database system is operable to receive a plurality of data blocks from a set of source nodes via a set of relay nodes. At least one feedback data block to be sent to at least one of the set of source nodes is generated. Feedback relay node selection data selecting at least one of a plurality of nodes in the database system for facilitating routing of the at least one feedback data block from the node to the at least one of the set of source nodes via a prioritized feedback communication mechanism is generated. The at least one feedback data block is sent to the at least one of the plurality of nodes selected in the feedback relay node selection data. The at least one feedback data block is routed from the node to the at least one of the set of source nodes via the prioritized feedback communication mechanism.

Abstract: A query processing system is operable to determine a set of query rules that includes a minimum result set size rule. A query is received from a requesting entity. A size of a result set of the query is determined. Compliance data is determined based on determining whether the size of the result set complies with the minimum result set size rule. When the compliance data indicates the size of the result set complies with the minimum result set size rule, a query result for the query is generated based on the result set, and the query result is generated to the requesting entity. When the compliance data indicates the size of the result set does not comply with the minimum result set size rule: transmission of the query result to the requesting entity is foregone.

Abstract: A processing system is operable to encode data to produce a first set of data slices based on a value of a width parameter. The data is stored based on maintaining storage of the first set of data slices across a set of storage units of a storage pool. Storage of the first set of data slices is maintained in the set of storage units of the storage pool after addition of an additional set of storage units added to the storage pool. The value of the width parameter is increased to an increased value to produce an updated width parameter. The data is re-encoded in accordance with the updated width parameter to produce a second set of data slices. The data is re-stored based on maintaining storage of the second set of data slices across the expanded set of storage units of the storage pool.

Abstract: A processing system of a storage network operates by: selecting a queue memory type of a plurality of memory types to store a data object, based on a size parameter associated with the data object; storing the data object in a queue memory device having the queue memory type, when the queue memory type is selected; selecting a main memory type of a plurality of memory types to store the data object, when the queue memory type is not selected; and storing the data object in a main memory device having the main memory type, when the queue memory type is not selected; wherein the data object is dispersed error encoded and stored as a plurality of encoded data slices.

Abstract: A method for execution by one or more computing devices includes selecting a first routing path from a plurality of routing paths to a set of storage units based on routing path performance information, where the first routing path has a performance level greater than a first performance threshold. The method further includes selecting a second routing path from the plurality of routing paths based on the routing path performance information, where the second routing path has a performance level less than or equal to the first performance threshold. The method further includes sending a first subset of encoded data slices to the set of storage units via the first routing path for storage therein. The method further includes sending a second subset of encoded data slices to the set of storage units via the second routing path for storage therein.

Abstract: A method for execution by a storage unit in a dispersed storage network (DSN) includes selecting a storage zone of a memory device of the storage unit based on zone allocation parameters, and designating the selected storage zone as open for writes. A data slice is received via a network for storage. The data slice is written sequentially at a memory location of the one of storage zone based on determining that the storage zone is designated as open for writes. A pointer corresponding to the data slice that indicates the storage zone and the memory location is generated. A read request is received via the network from a requesting entity that indicates the data slice. The data slice is retrieved from the memory device based on the pointer, and is transmitted to the requesting entity.

Abstract: A method for execution by one or more processing modules of one or more computing devices begins by encoding data using a dispersed storage error encoding function to produce a plurality of sets of encoded data slices arranged into a plurality of chunksets of encoded data slices. The method continues by selecting a set of storage units for storing the plurality of chunksets and assigning a distributed computing task to each storage unit of the set of storage units. The method then continues by generating a unique key set for each storage unit of the storage units, encrypting each chunkset of encoded data slices with a corresponding one of the unique key sets to produce a plurality of encrypted chunksets and sending an encrypted chunkset of the plurality of encrypted chunksets and an indication of a corresponding distributed computing task to each storage unit of the set of storage units for storage of the encrypted chunksets and execution of the distributed computing task.

Abstract: A node of a database system is operable to receive a plurality of data blocks. Based on backlog detection data, at least one feedback data block is generated to be sent to the set of source nodes. Feedback relay node selection data selecting at least one of the plurality of nodes in the database system for facilitating routing of the at least one feedback data block from the node to at least one of the set of source nodes via a prioritized feedback communication mechanism is generated. The at least one feedback data block is sent to the at least one of the plurality of nodes selected in the feedback relay node selection data. The at least one of the plurality of nodes facilitates routing of the at least one feedback data block from the node via the prioritized feedback communication mechanism.

Abstract: An analytics system is operable to receive a first plurality of query requests from a plurality of requesting entities. Query pricing scheme data is automatically generated based on the first plurality of query requests. A second plurality of query requests are received from the plurality of requesting entities. Query cost data is automatically generated for each of the second plurality of query requests by utilizing the query pricing scheme data. The query cost data for each of the second plurality of query requests is transmitted to a corresponding one of the plurality of requesting entities.

Abstract: A method includes determining a first set of query rules and receiving a query from a requesting entity. The first set of query rules is filtered to generate a proper subset of the first set of query rules by selecting only ones of the first set of query rules with parameter data comparing favorably to parameters of the query. Compliance data indicating whether the query complies with the first set of query rules is generated by determining whether the query complies with the proper subset of the first set of query rules. When the compliance data indicates the query complies with the first set of query rules, a query result is determined for the query and the query result is transmitted to the requesting entity. When the compliance data indicates the query does not comply with the first set of query rules, transmission of the query is foregone.

Abstract: A query processing system is operable to determining a query pricing scheme and receive a query request from a requesting entity that indicates at least one query function for execution against a database system. Query cost data is generated based on the at least one query function by utilizing the query pricing scheme. The query cost data is transmitted to the requesting entity.

Abstract: A processing system of a storage network operates by: receiving a write request to store a data object; selecting a selected memory type of a plurality of memory types to store the data object, based on object parameters associated with the data object; selecting a selected memory to store the data object, the selected memory having the selected memory type of the plurality of memory types; and facilitating storage of the data object in the selected memory having the selected memory type of the plurality of memory types, wherein the data object is dispersed error encoded and stored as a plurality of encoded data slices.

Abstract: A database system is operable to receive a plurality of records of a dataset for storage. A plurality of segment row data is generated from the plurality of records and a plurality of parity data corresponding to the plurality of segment row data is generated. The plurality of segment row data is stored via a first storage mechanism. The plurality of parity data is stored via a second storage mechanism. Execution of a plurality of queries against the dataset is facilitated by accessing the plurality of segment row data via the first storage mechanism. A storage failure of one of the plurality of segment row data via the first storage mechanism is detected. The one of the plurality of segment row data is recovered for storage via the first storage mechanism based on accessing at least one parity data via the second storage mechanism.

Abstract: A method includes encoding data in accordance with a width parameter to produce a first set of data slices. Storage of the first set of data slices is maintained in a set of storage units of a storage pool. An expanded set of storage units of the storage pool is determined based on an additional subset of storage units added to the storage pool. Storage of the first set of data slices is maintained in the set of storage units after addition of the additional subset of storage units added to the storage pool. An updated width parameter is determined by increasing the width parameter based on the expanded set of storage units. The data is encoded in accordance with the updated width parameter to produce a second set of data slices. Storage of the second set of data slices is maintained in the expanded set of storage units.

Abstract: A method includes dispersed storage error encoding a data object to produce a set of encoded data slices. The method further includes obtaining routing path performance information for a plurality of routing paths from the computing device to a set of storage units. The method further includes selecting a first routing path for sending a first subset of the set of encoded data slices, where the first routing path has a performance level greater than a first performance threshold. The method further includes selecting a second routing path for sending a second subset of the set of encoded data slices, where the second routing path has a performance level less than or equal to the first performance threshold. The method further includes sending the first and second subsets of encoded data slices to the set of storage units via the first and second routing paths for storage therein.

Abstract: A method for execution in a storage network includes receiving a request pertaining to a data object, where the request is related to a specified contiguous data range within the data object and the data object is dispersed error encoded to produce a plurality of groups of encoded data slices. The method continues by converting the request into a plurality of partial requests, where each partial request of the plurality of partial requests includes at least one partial task and transmitting each partial request of the plurality of partial requests to a storage unit of a set of storage units. The method then continues by determining when a partial request response has been received for each partial request of the plurality of partial requests and when a partial request response has been received for each partial request of the plurality of partial requests, transmitting an indication that the request pertaining to the data object has been successfully executed.

Abstract: A node is operable to determine to send at least on data block to a destination node. A second relay node of an initial route that includes exactly a predefined number of relay nodes for relaying at least one data block from the node to a destination node is identified. A set of intermediate node options is identified by identifying nodes of the database system capable of receiving the at least one data block from the node and further capable of sending the at least one data block to the second relay node. Intermediate node selection data is generated by selecting one intermediate node from the set of intermediate node options. The at least one data block is transmitted from the node to the one intermediate node via the first direct connection to facilitate sending of the at least one data block from the node to the destination node.