Invention Grant
- Patent Title: Resilient distributed garbage collection
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Application No.: US14970327Application Date: 2015-12-15
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Publication No.: US10467005B2Publication Date: 2019-11-05
- Inventor: Kiyokuni Kawachiya
- Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
- Applicant Address: US NY Armonk
- Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
- Current Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
- Current Assignee Address: US NY Armonk
- Agency: Tutunjian & Bitetto, P.C.
- Agent Vazken Alexanian
- Main IPC: G06F9/00
- IPC: G06F9/00 ; G06F12/02

Abstract:
In a distributed processing system having multiple processing nodes including alive nodes and dead nodes, a method is provided for collecting an object from the alive nodes. The method includes maintaining a separate count value for each of remote nodes at which the object is remotely-referenced. The method further includes suppressing a collection of the object when the separate count value for any of the remote nodes is non-zero. The method also includes clearing the separate count value for a given one of the remote nodes when the given one of the remote nodes is dead.
Public/Granted literature
- US20170168933A1 Resilient Distributed Garbage Collection Public/Granted day:2017-06-15
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