1. A data storage space processing method, comprising: dividing a disk and memory resource into tablets; dividing memory space of a tablet into different logical objects; and dividing, according to a fixed size, disk space of the tablet into multiple data blocks that are of a same size; wherein the logical objects obtained by dividing the memory space of the tablet comprise: a record index cache, a write cache, and a block cache; the record index cache is used to store index information of a record; the write cache is used to record a write buffer; and the block cache is formed by a block structure descriptor and used to collect statistics on block status information; the record index cache comprises a bucket index and a large record index; a large record index is used for a record larger than a set record size threshold, and in the large record index, an independent index is used for the record; and a bucket index is used for a record smaller than the set record size threshold, and a bucket is packetized into a record and stored; the data storage space processing method comprises record reading, record modifying, block write combining, and block recycling, and the block write combining comprises: obtaining a record from a write cache as scheduled; for each record, reading a keyword cache and a disk, and determining a record write scenario; collecting statistics on a result set, and determining whether written data can form one data block; if the written data can form one block, sorting out a record in the result set to form one block; and if the written data cannot form one block, continuing processing a remaining record.