The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 28, 2022
Filed:
Jan. 27, 2020
Niv Dayan, Somerville, MA (US);
Stratos Idreos, Somerville, MA (US);
Niv Dayan, Somerville, MA (US);
Stratos Idreos, Somerville, MA (US);
President and Fellows of Harvard College, Cambridge, MA (US);
Abstract
Embodiments of the present invention provide a new multi-level data structure, log-structured merge bush (LSM-bush), to alleviate the performance compromise between LSH-table and LSM-tree data structures. Similar to LSM-tree, LSM-bush may buffer writes in memory, merge the writes as sorted runs across multiple levels in storage, and use in-memory fence pointers and Bloom filters to facilitate lookups. LSM-bush differs from LSM-tree in that it allows newer data to be merged more 'lazily' than LSM-tree. This can be achieved by allowing larger numbers of runs to be collected at the smaller levels before merging them.