nimble storage architecture

distribution of the extents and segments of the example table spaceThe smallest unit of storage in an Oracle database is a block of data in a--8kb,oracle database that is stored in a data block. The data block is the smallest storage unit that the Oracle server can read or write, and the Oracle server manages the storage space of the data file in blocks of data,

driver that the operation has been completed, and then the driver returns control of the operating system.Once I/O has begun, there are two possible processes of action. For the simplest case, start I/O, and after I/O is complete, control is returned to the user process, which is known as synchronous I/O. Another possibility, called asynchronous I/O, is to return control to the user program without waiting for I/O to complete. The I/O continues, while the other system operations proceed as usua

1. scalable design of distributed cacheaccess model of 1.1Memcached distributed cache clustera consistent Hash algorithm for 1.2 distributed cache　2. Scalability design of database storage server clusterThe scalability design of the database storage server cluster puts forward higher requirements for the persistence and availability of the data. The data storage

, simple: fast, stable, safe?2, how to solve such a large amount of traffic caused by the large amount of data processing and storage? Involves:1. System2. Hardware Application scenario: 1, Shopping category 2, Community class This problem involves a lot of knowledge, the experience will be very rich I do not know whether our community has a type of problem, but I just want you to share your own experience and ideas I suggest you consider a few ques

searched from the sorting tree order on disk.A data update on the LSM tree does not require disk access and can be done in memory, much faster than a B + tree. When data access is written primarily, while read operations focus on recently written data, using the LSM tree can greatly reduce the number of disk accesses and speed up access. RAID vs HDFS RAID (Redundant array of Inexpensive disks) technology is primarily designed to improve disk access latency and enhance disk availab