公开(公告)号：US10083217B2

公开(公告)日：2018-09-25

申请号：US14952944

申请日：2015-11-26

Applicant: International Business Machines Corporation

Inventor： Vita Bortnikov ,  Zvi Cahana ,  Shlomit Ifergan-Shachor ,  Ilya Shnayderman

IPC: G06F9/45 ,  G06F17/30 ,  G06F8/656 ,  G06F9/445

CPC classification number: G06F16/27 ,  G06F8/656 ,  G06F9/44505

Abstract: A computer-implemented method, computerized apparatus and computer program product, the method comprising: receiving a proposed reconfiguration command, the proposed reconfiguration command indicating a modification of a protocol version employed by a plurality of replica-set processes to an updated protocol version; tentatively agreeing on at least one proposed command following the proposed reconfiguration command, the at least one proposed command being in accordance with the updated protocol version, wherein said tentatively agreeing is decided prior to agreeing on the reconfiguration command; and, responsive to agreeing on the reconfiguration command, committing the tentatively agreed at least one proposed command.