发明名称 MANAGEMENT OF LONG-RUNNING LOCKS AND TRANSACTIONS ON DATABASE TABLES
摘要 Establishment of an exclusive lock on each of an outer database ownership table and an inner database ownership table is attempted. In response to establishing the exclusive lock on each of the outer database ownership table and the inner database ownership table, a switch is made to a pair of overlapping shared locks on each of the outer database ownership table and the inner database ownership table. Release and reacqusition of each of the pair of overlapping shared locks on the outer database ownership table and the inner database ownership table is alternated.
申请公布号 US2015213050(A1) 申请公布日期 2015.07.30
申请号 US201514685200 申请日期 2015.04.13
申请人 International Business Machines Corporation 发明人 Fries Justin T.;Lakshminarayanachar Venkataraghavan;Lalgowdar Rajesh C.;Thyagaraj Lohitashwa
分类号 G06F17/30 主分类号 G06F17/30
代理机构 代理人
主权项 1. A method, comprising: attempting to establish, via at least one processor, an exclusive lock on each of an outer database ownership table and an inner database ownership table; switching, in response to establishing the exclusive lock on each of the outer database ownership table and the inner database ownership table, to a pair of overlapping shared locks on each of the outer database ownership table and the inner database ownership table; and alternating release and re-acquisition of each of the pair of overlapping shared locks on the outer database ownership table and the inner database ownership table.
地址 Armonk NY US