Abstract: Disclosed are computer-implemented methods, non-transitory computer-readable media, and systems for processing blockchain transactions. One computer-implemented method includes receiving M blockchain transactions and executing N blockchain transactions out of the M blockchain transactions in parallel using K threads of a first thread pool. A second thread pool is dedicated for accessing blockchain data stored in a storage system. For blockchain transactions distributed to each one of the K threads, one or more coroutines are used for each blockchain transaction so that the blockchain transactions are executed asynchronously using the coroutines. A blockchain block is generated to include the M blockchain transactions and added to a blockchain stored in the storage system.

Abstract: Disclosed are computer-implemented methods, non-transitory computer-readable media, and systems for processing blockchain transactions. An example of a computer-implemented system includes a storage subsystem including one or more storage devices that store blockchain data, and one or more processors configured to support a first thread pool and a second thread pool. The second thread pool is dedicated to the storage subsystem. The system receives M blockchain transactions and executes N blockchain transactions out of the M blockchain transactions in parallel using K threads of the first thread pool. For blockchain transactions distributed to each one of the K threads, one or more coroutines are used for each blockchain transaction so that the blockchain transactions are executed asynchronously using the coroutines. A blockchain block is generated to include the M blockchain transactions and added to a blockchain stored in the storage subsystem.

Abstract: Disclosed are computer-implemented methods, non-transitory computer-readable media, and systems or processing blockchain transactions. One computer-implemented method includes receiving a number of blockchain transactions to be executed by a blockchain node. The blockchain node allocates one or more threads and one or more coroutines for processing the number of blockchain transactions based on whether the number of blockchain transactions are CPU-bound or I/O-bound. The blockchain node executes the number of blockchain transactions using the one or more threads and one or more coroutines, generates a blockchain block including the number of blockchain transactions, and adds the blockchain block to the blockchain.

Abstract: Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage devices, for data processing and storage. One of the methods includes maintaining, by a storage system, a data log file in a source storage device of the storage system. The storage system identifies one or more characteristics of the data log file and one or more characteristics of the source storage device, and determines a migration metric of the data log file based on the one or more characteristics of the data log file and the one or more characteristics of the source storage device. The storage system determines whether to migrate the data log file according to the migration metric. In response to determining to migrate the data log file, the storage system migrates the data log file from a source location in the source storage device to a destination storage device.

Abstract: Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage devices, for processing data requests. One of the methods include receiving, by a storage system, a processing request of data of a distributive ledger system. Types of the data of the distributive ledger system include block data, transaction data, state data, and index data. The storage system determines a type of the data among the types of the data of the distributive ledger system, and applies a type of a processing engine specified for processing the type of the data.

Abstract: Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage devices, for data processing and storage. One of the methods includes receiving, by a storage system, a plurality of write requests for storing a respective plurality of blockchain data in the storage system. Each of the plurality of the blockchain data includes: a value of one or more of a block, a transaction, or a state of a blockchain network, and a key corresponding to the value. The storage system appends the plurality of the blockchain data to a data log file according to a chronological order of the plurality of the blockchain data, and refrains from sorting the plurality of the blockchain data in the data log file according to respective keys of values in the plurality of the blockchain data.

Abstract: A method for monitoring a blockchain smart contract includes: running a smart contract deployed on a blockchain node, the smart contract including an interface configured to acquire running data; and obtaining running data acquired by the interface during the running of the smart contract, the running data being processed for performing at least one operation of running status monitoring or performance analysis on the smart contract.

Abstract: Disclosed are computer-implemented methods, non-transitory computer-readable media, and systems for processing blockchain transactions. One computer-implemented method includes receiving M blockchain transactions and executing N blockchain transactions out of the M blockchain transactions in parallel using K threads of a first thread pool. A second thread pool is dedicated for accessing blockchain data stored in a storage system. For blockchain transactions distributed to each one of the K threads, one or more coroutines are used for each blockchain transaction so that the blockchain transactions are executed asynchronously using the coroutines. A blockchain block is generated to include the M blockchain transactions and added to a blockchain stored in the storage system.

Abstract: Disclosed are computer-implemented methods, non-transitory computer-readable media, and systems for processing blockchain transactions. An example of a computer-implemented system includes a storage subsystem including one or more storage devices that store blockchain data, and one or more processors configured to support a first thread pool and a second thread pool. The second thread pool is dedicated to the storage subsystem. The system receives M blockchain transactions and executes N blockchain transactions out of the M blockchain transactions in parallel using K threads of the first thread pool. For blockchain transactions distributed to each one of the K threads, one or more coroutines are used for each blockchain transaction so that the blockchain transactions are executed asynchronously using the coroutines. A blockchain block is generated to include the M blockchain transactions and added to a blockchain stored in the storage subsystem.

Abstract: Disclosed are computer-implemented methods, non-transitory computer-readable media, and systems or processing blockchain transactions. One computer-implemented method includes receiving a number of blockchain transactions to be executed by a blockchain node. The blockchain node allocates one or more threads and one or more coroutines for processing the number of blockchain transactions based on whether the number of blockchain transactions are CPU-bound or I/O-bound.

Abstract: Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage devices, for data processing. One of the methods includes determining, by a storage system from an index log file, information of a data log file stored in a storage device. The data log file includes one or more of block data, transaction data, or state data generated by a blockchain network. The storage system determines whether the data log file needs a rewritten placement. In response to determining that the data log file needs a rewritten placement, the storage system determines a source storage location of the data log file, reads the data log file from the source storage location, rewrites the data log file to a destination storage location; and generates a destination index log file that indicates the destination storage location corresponding to the data log file.

Abstract: Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage devices, for data processing. One of the methods includes maintaining, by a storage system, a plurality of storage devices that include at least a first tier storage device and a second tier storage device. The storage system receives a write request of a ledger data, determines whether a type of the ledger data is block data, and, in response to determining that the type of the ledger data is block data, writes the ledger data into the second tier storage device.

Abstract: Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage devices, for data processing. One of the methods includes maintaining, by a storage system, a plurality of storage devices that include at least a first tier storage device and a second tier storage device. The storage system receives a write request of a ledger data, determines whether a type of the ledger data is block data, and, in response to determining that the type of the ledger data is block data, writes the ledger data into the second tier storage device.

Abstract: Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage devices, for data processing. One of the methods includes determining, by a storage system from an index log file, information of a data log file stored in a storage device. The data log file includes one or more of block data, transaction data, or state data generated by a blockchain network. The storage system determines whether the data log file needs a rewritten placement. In response to determining that the data log file needs a rewritten placement, the storage system determines a source storage location of the data log file, reads the data log file from the source storage location, rewrites the data log file to a destination storage location; and generates a destination index log file that indicates the destination storage location corresponding to the data log file.

Abstract: Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage devices, for data processing and storage. One of the methods includes receiving, by a storage system, a plurality of write requests for storing a respective plurality of blockchain data in the storage system. Each of the plurality of the blockchain data includes: a value of one or more of a block, a transaction, or a state of a blockchain network, and a key corresponding to the value. The storage system appends the plurality of the blockchain data to a data log file according to a chronological order of the plurality of the blockchain data, and refrains from sorting the plurality of the blockchain data in the data log file according to respective keys of values in the plurality of the blockchain data.

Abstract: Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage devices, for data processing and storage. One of the method includes: maintaining a plurality of tiers of storage devices and one or more tiers of caches by a storage system for storing blockchain data, the plurality of tiers of storage devices including at least a higher-tier storage device and a lower-tier storage device; determining that a blockchain data object in a data log file stored in a lower-tier storage device is an active data object, wherein the blockchain data object is block data, transaction data, or state data; and writing the blockchain data object into a cache of the one or more tiers of caches.

Abstract: Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage devices, for data processing and storage. One of the methods includes maintaining, by a storage system, a data log file in a source storage device of the storage system. The storage system identifies one or more characteristics of the data log file and one or more characteristics of the source storage device, and determines a migration metric of the data log file based on the one or more characteristics of the data log file and the one or more characteristics of the source storage device. The storage system determines whether to migrate the data log file according to the migration metric. In response to determining to migrate the data log file, the storage system migrates the data log file from a source location in the source storage device to a destination storage device.

Abstract: Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage devices, for processing data requests. One of the methods include receiving, by a storage system, a processing request of data of a distributive ledger system. Types of the data of the distributive ledger system include block data, transaction data, state data, and index data. The storage system determines a type of the data among the types of the data of the distributive ledger system, and applies a type of a processing engine specified for processing the type of the data.

Abstract: Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage devices, for data processing and storage. One of the method includes: maintaining a plurality of tiers of storage devices and one or more tiers of caches by a storage system for storing blockchain data, the plurality of tiers of storage devices including at least a higher-tier storage device and a lower-tier storage device; determining that a blockchain data object in a data log file stored in a lower-tier storage device is an active data object, wherein the blockchain data object is block data, transaction data, or state data; and writing the blockchain data object into a cache of the one or more tiers of caches.

Abstract: Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage devices, for data processing and storage. One of the systems includes a first tier storage device with a first performance characteristic and a second tier storage device with a second performance characteristic inferior to the first performance characteristic. The first tier storage device stores a first data log file that includes first blockchain data generated by a blockchain network. The second tier storage device stores a second data log file that includes second blockchain data generated by the blockchain network at an earlier time than the first blockchain data.